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Add opt-in OS settings inheritance for native themes - #5927

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shai-almog merged 12 commits into
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native-theme-os-settings
Oct 1, 2026
Merged

Add opt-in OS settings inheritance for native themes#5927
shai-almog merged 12 commits into
masterfrom
native-theme-os-settings

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@shai-almog

@shai-almog shai-almog commented Sep 30, 2026

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Native themes can now optionally inherit available OS colors and typography through independent, default-off useNativeColorsBool and useNativeFontsBool constants and matching UIManager setters. Applications retain control over explicit style and palette overrides, and the existing larger-text accessibility setting applies once after font inheritance.

This adds settings snapshots and live/resume refresh hooks for Android, iOS/macOS, Windows, Linux, and JavaSE; deterministic simulator controls; regenerated modern native themes; documentation; and regression coverage. Unsupported settings retain bundled defaults.

Validation

  • Full Java 8 core suite: 7,478 tests passed. Two subsequent exact-float comparison fixes were verified with the final focused Maven verify: 36 tests passed, SpotBugs reported zero bugs/errors. The final formatting cleanup also passed this focused verify run, with zero Checkstyle violations.
  • JavaSE simulator and desktop theme selection tests: 12 passed.
  • Platform Java compilation, including the Android source compilation profile, passed.
  • Four local native checks passed: AppKit snapshot execution and UIKit, Windows, and GTK bridge compilation. Native signature verification passed for iOS, macOS, Windows, Linux, and the VM backend.
  • Copyright-header validation and git diff --check passed.

Windows, Linux, Android, and iOS device UI behavior still needs platform testing. Native checks were run locally only.

@shai-almog

shai-almog commented Sep 30, 2026

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@codex review

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chatgpt-codex-connector Bot commented Sep 30, 2026 •
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Codex Review Summary

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📝 Code Review ✅ Completed 2026-10-01T07:34:49.368972Z 3f279ff Manual request
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@shai-almog

shai-almog commented Sep 30, 2026 •
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Native fidelity (Android, Material 3)

54 pairs compared -- median 95.6%, worst 91.3% (FlatButton_pressed_dark), 25th pct 94.9%, mean 95.7%.

Distribution -- >=99%: 2 | 95-99%: 37 | 90-95%: 15 | <90%: 0

Component State Appearance Material Fidelity SSIM mean delta vs base Geometry
FlatButton pressed dark normal 91.3% 0.899 3.10 0.0 ok
Tabs normal light normal 92.3% 0.914 3.05 0.0 ok
Button pressed dark normal 92.6% 0.949 4.32 0.0 ok
FlatButton normal dark normal 93.2% 0.938 2.69 0.0 ok
Button disabled dark normal 93.3% 0.928 2.20 0.0 ok
Button pressed light normal 93.3% 0.952 3.68 0.0 ok
FlatButton normal light normal 93.7% 0.941 2.29 0.0 ok
FlatButton pressed light normal 93.8% 0.942 2.56 0.0 ok
FloatingActionButton pressed light normal 94.4% 0.927 2.82 0.0 OFF (h 0.88)
RadioButton normal dark normal 94.5% 0.963 2.19 0.0 ok
RadioButton normal light normal 94.7% 0.964 1.85 0.0 ok
CheckBox selected dark normal 94.7% 0.950 2.60 0.0 ok
RadioButton selected dark normal 94.8% 0.963 2.42 0.0 ok
CheckBox normal dark normal 94.9% 0.952 2.69 0.0 ok
Button normal dark normal 94.9% 0.949 3.16 0.0 ok
CheckBox normal light normal 95.0% 0.953 2.30 0.0 ok
Toolbar normal dark normal 95.1% 0.906 1.60 0.0 ok
RaisedButton pressed dark normal 95.2% 0.950 2.39 0.0 ok
CheckBox disabled dark normal 95.2% 0.954 1.47 0.0 ok
CheckBox disabled light normal 95.2% 0.956 1.34 0.0 ok
Tabs normal dark normal 95.2% 0.913 3.65 0.0 ok
RadioButton disabled dark normal 95.3% 0.963 1.18 0.0 ok
RadioButton selected light normal 95.3% 0.964 1.84 0.0 ok
CheckBox selected light normal 95.4% 0.952 2.06 0.0 ok
Switch selected light normal 95.4% 0.966 1.59 0.0 ok
Switch selected dark normal 95.5% 0.966 1.86 0.0 ok
RadioButton disabled light normal 95.5% 0.966 1.08 0.0 ok
Switch disabled dark normal 95.6% 0.961 0.85 0.0 ok
Dialog normal light normal 95.7% 0.930 2.30 0.0 ok
RaisedButton pressed light normal 95.8% 0.958 2.16 0.0 ok
Button normal light normal 95.8% 0.953 2.46 0.0 ok
Dialog normal dark normal 95.8% 0.932 2.30 0.0 ok
Switch normal light normal 96.0% 0.961 1.45 0.0 ok
FloatingActionButton normal light normal 96.1% 0.937 1.14 0.0 ok
FloatingActionButton pressed dark normal 96.2% 0.951 2.45 0.0 ok
Switch normal dark normal 96.2% 0.962 1.39 0.0 ok
TextField disabled dark normal 96.2% 0.965 0.76 0.0 ok
RaisedButton normal dark normal 96.4% 0.952 1.78 0.0 ok
Switch disabled light normal 96.4% 0.970 0.61 0.0 ok
Button disabled light normal 96.8% 0.960 1.06 0.0 ok
ProgressBar normal dark normal 96.9% 0.967 2.03 0.0 OFF (h 1.50)
RaisedButton disabled dark normal 97.0% 0.955 0.89 0.0 ok
FloatingActionButton normal dark normal 97.1% 0.952 1.43 0.0 ok
ProgressBar normal light normal 97.3% 0.974 1.53 0.0 OFF (h 1.50)
RaisedButton disabled light normal 97.3% 0.961 0.79 0.0 ok
TextField disabled light normal 97.3% 0.965 0.79 0.0 ok
RaisedButton normal light normal 97.3% 0.961 1.40 0.0 ok
TextField normal dark normal 97.6% 0.958 1.83 0.0 ok
TextField normal light normal 97.6% 0.958 1.63 0.0 ok
Slider normal dark normal 98.4% 0.990 0.87 0.0 ok
Toolbar normal light normal 98.7% 0.974 1.28 0.0 ok
Slider normal light normal 99.0% 0.991 0.47 0.0 ok
Slider disabled dark normal 99.6% 0.993 0.22 0.0 ok
Slider disabled light normal 99.6% 0.993 0.18 0.0 ok
Geometry vs native (bbox offset / size ratio / center offset / corner radius) -- gated separately from the visual score
Component State Appearance bbox dx,dy (px) w ratio h ratio center off (px) radius native->cn1 (px)
FloatingActionButton pressed light +0,+0 0.929 0.881 4.0 -
FloatingActionButton normal light +0,+0 0.946 0.912 2.9 -
Button pressed dark +0,+0 0.947 0.975 2.6 -
Button disabled dark +0,+0 0.947 0.975 2.6 -
Button pressed light +0,+0 0.947 0.975 2.6 -
Button normal dark +0,+0 0.947 0.975 2.6 -
RaisedButton pressed dark +0,+0 0.945 0.975 2.6 -
RaisedButton pressed light +0,+0 0.945 0.975 2.6 -
Button normal light +0,+0 0.947 0.975 2.6 -
RaisedButton normal dark +0,+0 0.945 0.975 2.6 -
Button disabled light +0,+0 0.947 0.975 2.6 -
RaisedButton disabled dark +0,+0 0.945 0.975 2.6 -
RaisedButton disabled light +0,+0 0.945 0.975 2.6 -
RaisedButton normal light +0,+0 0.945 0.975 2.6 -
RadioButton normal dark +1,+1 1.029 1.000 2.2 -
RadioButton normal light +1,+1 1.029 1.000 2.2 -
RadioButton selected dark +1,+1 1.029 1.000 2.2 -
RadioButton disabled dark +1,+1 1.029 1.000 2.2 -
RadioButton selected light +1,+1 1.029 1.000 2.2 -
Switch selected light +0,+0 1.080 1.063 2.2 -
RadioButton disabled light +1,+1 1.029 1.000 2.2 -
CheckBox selected dark +1,+1 1.013 1.000 1.8 -
CheckBox normal dark +1,+1 1.013 1.000 1.8 -
CheckBox normal light +1,+1 1.013 1.000 1.8 -
CheckBox disabled dark +1,+1 1.013 1.000 1.8 -
CheckBox disabled light +1,+1 1.013 1.000 1.8 -
CheckBox selected light +1,+1 1.013 1.000 1.8 -
Switch selected dark +0,+0 1.060 1.031 1.6 -
Switch disabled dark +0,-1 1.060 1.031 1.6 -
Dialog normal light +0,+0 1.007 0.982 1.6 -
Dialog normal dark +0,+0 1.007 0.982 1.6 -
Switch normal light +0,-1 1.060 1.031 1.6 -
Switch normal dark +0,-1 1.060 1.031 1.6 -
Switch disabled light +0,-1 1.060 1.031 1.6 -
FloatingActionButton pressed dark +0,+0 0.963 0.963 1.4 -
FloatingActionButton normal dark +0,+0 0.963 0.963 1.4 -
Toolbar normal light -1,+1 1.000 1.000 1.4 -
FlatButton pressed dark +0,+0 0.977 0.975 1.1 -
FlatButton normal dark +0,+0 0.977 0.975 1.1 -
FlatButton normal light +0,+0 0.977 0.975 1.1 -
FlatButton pressed light +0,+0 0.977 0.975 1.1 -
TextField normal dark +0,+0 1.015 1.036 1.1 -
TextField normal light +0,+0 1.015 1.036 1.1 -
Toolbar normal dark +0,+0 1.000 1.032 1.0 -
ProgressBar normal dark +0,+0 1.000 1.500 1.0 -
ProgressBar normal light +0,+0 1.000 1.500 1.0 -
TextField disabled dark +0,+0 1.015 1.018 0.7 -
TextField disabled light +0,+0 1.015 1.018 0.7 -
Tabs normal light +0,+1 1.000 0.984 0.5 -
Slider normal dark +1,+0 0.996 1.000 0.5 -
Slider normal light +1,+0 0.996 1.000 0.5 -
Tabs normal dark +0,+0 1.000 1.000 0.0 -
Slider disabled dark +0,+0 1.000 1.000 0.0 -
Slider disabled light +0,+0 1.000 1.000 0.0 -

Side-by-side comparisons (worst first)

  • FlatButton_pressed_dark -- 91.25% fidelity (SSIM 0.8985) (no change)

    native FlatButton_pressed_dark cn1 FlatButton_pressed_dark
    Left: native widget. Right: Codename One render.

  • Tabs_normal_light -- 92.28% fidelity (SSIM 0.9140) (no change)

    native Tabs_normal_light cn1 Tabs_normal_light
    Left: native widget. Right: Codename One render.

  • Button_pressed_dark -- 92.61% fidelity (SSIM 0.9485) (no change)

    native Button_pressed_dark cn1 Button_pressed_dark
    Left: native widget. Right: Codename One render.

  • FlatButton_normal_dark -- 93.24% fidelity (SSIM 0.9381) (no change)

    native FlatButton_normal_dark cn1 FlatButton_normal_dark
    Left: native widget. Right: Codename One render.

  • Button_disabled_dark -- 93.26% fidelity (SSIM 0.9278) (no change)

    native Button_disabled_dark cn1 Button_disabled_dark
    Left: native widget. Right: Codename One render.

  • Button_pressed_light -- 93.34% fidelity (SSIM 0.9521) (no change)

    native Button_pressed_light cn1 Button_pressed_light
    Left: native widget. Right: Codename One render.

  • FlatButton_normal_light -- 93.72% fidelity (SSIM 0.9410) (no change)

    native FlatButton_normal_light cn1 FlatButton_normal_light
    Left: native widget. Right: Codename One render.

  • FlatButton_pressed_light -- 93.77% fidelity (SSIM 0.9424) (no change)

    native FlatButton_pressed_light cn1 FlatButton_pressed_light
    Left: native widget. Right: Codename One render.

  • FloatingActionButton_pressed_light -- 94.44% fidelity (SSIM 0.9273) (no change)

    native FloatingActionButton_pressed_light cn1 FloatingActionButton_pressed_light
    Left: native widget. Right: Codename One render.

  • RadioButton_normal_dark -- 94.46% fidelity (SSIM 0.9630) (no change)

    native RadioButton_normal_dark cn1 RadioButton_normal_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_normal_light -- 94.69% fidelity (SSIM 0.9643) (no change)

    native RadioButton_normal_light cn1 RadioButton_normal_light
    Left: native widget. Right: Codename One render.

  • CheckBox_selected_dark -- 94.71% fidelity (SSIM 0.9502) (no change)

    native CheckBox_selected_dark cn1 CheckBox_selected_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_selected_dark -- 94.79% fidelity (SSIM 0.9630) (no change)

    native RadioButton_selected_dark cn1 RadioButton_selected_dark
    Left: native widget. Right: Codename One render.

  • CheckBox_normal_dark -- 94.93% fidelity (SSIM 0.9516) (no change)

    native CheckBox_normal_dark cn1 CheckBox_normal_dark
    Left: native widget. Right: Codename One render.

  • Button_normal_dark -- 94.94% fidelity (SSIM 0.9491) (no change)

    native Button_normal_dark cn1 Button_normal_dark
    Left: native widget. Right: Codename One render.

  • CheckBox_normal_light -- 95.03% fidelity (SSIM 0.9531) (no change)

    native CheckBox_normal_light cn1 CheckBox_normal_light
    Left: native widget. Right: Codename One render.

  • Toolbar_normal_dark -- 95.07% fidelity (SSIM 0.9059) (no change)

    native Toolbar_normal_dark cn1 Toolbar_normal_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_pressed_dark -- 95.19% fidelity (SSIM 0.9501) (no change)

    native RaisedButton_pressed_dark cn1 RaisedButton_pressed_dark
    Left: native widget. Right: Codename One render.

  • CheckBox_disabled_dark -- 95.20% fidelity (SSIM 0.9538) (no change)

    native CheckBox_disabled_dark cn1 CheckBox_disabled_dark
    Left: native widget. Right: Codename One render.

  • CheckBox_disabled_light -- 95.21% fidelity (SSIM 0.9562) (no change)

    native CheckBox_disabled_light cn1 CheckBox_disabled_light
    Left: native widget. Right: Codename One render.

  • Tabs_normal_dark -- 95.23% fidelity (SSIM 0.9125) (no change)

    native Tabs_normal_dark cn1 Tabs_normal_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_disabled_dark -- 95.29% fidelity (SSIM 0.9630) (no change)

    native RadioButton_disabled_dark cn1 RadioButton_disabled_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_selected_light -- 95.33% fidelity (SSIM 0.9642) (no change)

    native RadioButton_selected_light cn1 RadioButton_selected_light
    Left: native widget. Right: Codename One render.

  • CheckBox_selected_light -- 95.37% fidelity (SSIM 0.9524) (no change)

    native CheckBox_selected_light cn1 CheckBox_selected_light
    Left: native widget. Right: Codename One render.

  • Switch_selected_light -- 95.37% fidelity (SSIM 0.9658) (no change)

    native Switch_selected_light cn1 Switch_selected_light
    Left: native widget. Right: Codename One render.

  • Switch_selected_dark -- 95.45% fidelity (SSIM 0.9656) (no change)

    native Switch_selected_dark cn1 Switch_selected_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_disabled_light -- 95.46% fidelity (SSIM 0.9657) (no change)

    native RadioButton_disabled_light cn1 RadioButton_disabled_light
    Left: native widget. Right: Codename One render.

  • Switch_disabled_dark -- 95.57% fidelity (SSIM 0.9613) (no change)

    native Switch_disabled_dark cn1 Switch_disabled_dark
    Left: native widget. Right: Codename One render.

  • Dialog_normal_light -- 95.65% fidelity (SSIM 0.9300) (no change)

    native Dialog_normal_light cn1 Dialog_normal_light
    Left: native widget. Right: Codename One render.

  • RaisedButton_pressed_light -- 95.78% fidelity (SSIM 0.9578) (no change)

    native RaisedButton_pressed_light cn1 RaisedButton_pressed_light
    Left: native widget. Right: Codename One render.

  • Button_normal_light -- 95.79% fidelity (SSIM 0.9528) (no change)

    native Button_normal_light cn1 Button_normal_light
    Left: native widget. Right: Codename One render.

  • Dialog_normal_dark -- 95.79% fidelity (SSIM 0.9322) (no change)

    native Dialog_normal_dark cn1 Dialog_normal_dark
    Left: native widget. Right: Codename One render.

  • Switch_normal_light -- 95.97% fidelity (SSIM 0.9612) (no change)

    native Switch_normal_light cn1 Switch_normal_light
    Left: native widget. Right: Codename One render.

  • FloatingActionButton_normal_light -- 96.09% fidelity (SSIM 0.9367) (no change)

    native FloatingActionButton_normal_light cn1 FloatingActionButton_normal_light
    Left: native widget. Right: Codename One render.

  • FloatingActionButton_pressed_dark -- 96.16% fidelity (SSIM 0.9513) (no change)

    native FloatingActionButton_pressed_dark cn1 FloatingActionButton_pressed_dark
    Left: native widget. Right: Codename One render.

  • Switch_normal_dark -- 96.17% fidelity (SSIM 0.9616) (no change)

    native Switch_normal_dark cn1 Switch_normal_dark
    Left: native widget. Right: Codename One render.

  • TextField_disabled_dark -- 96.21% fidelity (SSIM 0.9648) (no change)

    native TextField_disabled_dark cn1 TextField_disabled_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_normal_dark -- 96.41% fidelity (SSIM 0.9516) (no change)

    native RaisedButton_normal_dark cn1 RaisedButton_normal_dark
    Left: native widget. Right: Codename One render.

  • Switch_disabled_light -- 96.43% fidelity (SSIM 0.9698) (no change)

    native Switch_disabled_light cn1 Switch_disabled_light
    Left: native widget. Right: Codename One render.

  • Button_disabled_light -- 96.80% fidelity (SSIM 0.9596) (no change)

    native Button_disabled_light cn1 Button_disabled_light
    Left: native widget. Right: Codename One render.

  • ProgressBar_normal_dark -- 96.91% fidelity (SSIM 0.9669) (no change)

    native ProgressBar_normal_dark cn1 ProgressBar_normal_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_disabled_dark -- 97.02% fidelity (SSIM 0.9549) (no change)

    native RaisedButton_disabled_dark cn1 RaisedButton_disabled_dark
    Left: native widget. Right: Codename One render.

  • FloatingActionButton_normal_dark -- 97.07% fidelity (SSIM 0.9521) (no change)

    native FloatingActionButton_normal_dark cn1 FloatingActionButton_normal_dark
    Left: native widget. Right: Codename One render.

  • ProgressBar_normal_light -- 97.26% fidelity (SSIM 0.9739) (no change)

    native ProgressBar_normal_light cn1 ProgressBar_normal_light
    Left: native widget. Right: Codename One render.

  • RaisedButton_disabled_light -- 97.26% fidelity (SSIM 0.9611) (no change)

    native RaisedButton_disabled_light cn1 RaisedButton_disabled_light
    Left: native widget. Right: Codename One render.

  • TextField_disabled_light -- 97.29% fidelity (SSIM 0.9649) (no change)

    native TextField_disabled_light cn1 TextField_disabled_light
    Left: native widget. Right: Codename One render.

  • RaisedButton_normal_light -- 97.32% fidelity (SSIM 0.9613) (no change)

    native RaisedButton_normal_light cn1 RaisedButton_normal_light
    Left: native widget. Right: Codename One render.

  • TextField_normal_dark -- 97.61% fidelity (SSIM 0.9583) (no change)

    native TextField_normal_dark cn1 TextField_normal_dark
    Left: native widget. Right: Codename One render.

  • TextField_normal_light -- 97.62% fidelity (SSIM 0.9582) (no change)

    native TextField_normal_light cn1 TextField_normal_light
    Left: native widget. Right: Codename One render.

  • Slider_normal_dark -- 98.39% fidelity (SSIM 0.9900) (no change)

    native Slider_normal_dark cn1 Slider_normal_dark
    Left: native widget. Right: Codename One render.

  • Toolbar_normal_light -- 98.69% fidelity (SSIM 0.9739) (no change)

    native Toolbar_normal_light cn1 Toolbar_normal_light
    Left: native widget. Right: Codename One render.

  • Slider_normal_light -- 98.95% fidelity (SSIM 0.9908) (no change)

    native Slider_normal_light cn1 Slider_normal_light
    Left: native widget. Right: Codename One render.

  • Slider_disabled_dark -- 99.56% fidelity (SSIM 0.9927) (no change)

    native Slider_disabled_dark cn1 Slider_disabled_dark
    Left: native widget. Right: Codename One render.

  • Slider_disabled_light -- 99.59% fidelity (SSIM 0.9932) (no change)

    native Slider_disabled_light cn1 Slider_disabled_light
    Left: native widget. Right: Codename One render.

@shai-almog

shai-almog commented Sep 30, 2026 •
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Compared 172 screenshots: 172 matched.
Native Windows port, REAL shipping pipeline: the hellocodenameone screenshot suite rendered by a binary CROSS-COMPILED on Linux (clang-cl + xwin, WebView2 linked) and RUN on a Windows x64 runner. Compared against the in-repo baseline in scripts/windows/screenshots.

Benchmark Results

Detailed Performance Metrics

Metric Duration
SIMD kernel backend SSE2 (x64) / NEON (arm64) native kernels
SIMD int-add (64K x300) java 57ms / native 5ms = 11.4x speedup
SIMD float-mul (64K x300) java 56ms / native 5ms = 11.2x speedup
SIMD kernel correctness PASS (native result == scalar reference)
Base64 native bridge unavailable (CN1 + SIMD + image benchmarks only)
Base64 payload size 8192 bytes
Base64 benchmark iterations 6000
Base64 SIMD byte path gated to scalar (CPU autovectorizes scalar; explicit SIMD not beneficial here)
Base64 CN1 encode 73.000 ms
Base64 CN1 decode 90.000 ms
Base64 SIMD encode 114.000 ms
Base64 encode ratio (SIMD/CN1) 1.562x (56.2% slower)
Base64 SIMD decode 99.000 ms
Base64 decode ratio (SIMD/CN1) 1.100x (10.0% slower)
Image encode benchmark iterations 100
Image createMask (SIMD off) 8.000 ms
Image createMask (SIMD on) 4.000 ms
Image createMask ratio (SIMD on/off) 0.500x (50.0% faster)
Image applyMask (SIMD off) 23.000 ms
Image applyMask (SIMD on) 22.000 ms
Image applyMask ratio (SIMD on/off) 0.957x (4.3% faster)
Image modifyAlpha (SIMD off) 26.000 ms
Image modifyAlpha (SIMD on) 18.000 ms
Image modifyAlpha ratio (SIMD on/off) 0.692x (30.8% faster)
Image modifyAlpha removeColor (SIMD off) 32.000 ms
Image modifyAlpha removeColor (SIMD on) 18.000 ms
Image modifyAlpha removeColor ratio (SIMD on/off) 0.563x (43.8% faster)

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@shai-almog

shai-almog commented Sep 30, 2026 •
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Compared 157 screenshots: 157 matched.

Native Android coverage

  • 📊 Line coverage: 9.37% (9331/99611 lines covered) [HTML preview] (artifact android-coverage-report, jacocoAndroidReport/html/index.html)
    • Other counters: instruction 9.10% (47834/525841), branch 3.60% (1794/49819), complexity 3.58% (1899/53096), method 5.52% (1542/27918), class 11.04% (413/3742)
    • Lowest covered classes
      • kotlin.collections.kotlin.collections.ArraysKt___ArraysKt – 0.00% (0/6367 lines covered)
      • kotlin.collections.unsigned.kotlin.collections.unsigned.UArraysKt___UArraysKt – 0.00% (0/2384 lines covered)
      • org.jacoco.agent.rt.internal_0e20598.asm.org.jacoco.agent.rt.internal_0e20598.asm.ClassReader – 0.00% (0/1524 lines covered)
      • kotlin.collections.kotlin.collections.CollectionsKt___CollectionsKt – 0.00% (0/1187 lines covered)
      • org.jacoco.agent.rt.internal_0e20598.asm.org.jacoco.agent.rt.internal_0e20598.asm.MethodWriter – 0.00% (0/922 lines covered)
      • kotlin.sequences.kotlin.sequences.SequencesKt___SequencesKt – 0.00% (0/736 lines covered)
      • com.google.common.cache.com.google.common.cache.LocalCache$Segment – 0.00% (0/726 lines covered)
      • okio.okio.Buffer – 0.00% (0/687 lines covered)
      • kotlin.text.kotlin.text.StringsKt___StringsKt – 0.00% (0/625 lines covered)
      • org.jacoco.agent.rt.internal_0e20598.asm.org.jacoco.agent.rt.internal_0e20598.asm.Frame – 0.00% (0/570 lines covered)

✅ Native Android screenshot tests passed.

Native Android coverage

  • 📊 Line coverage: 9.37% (9331/99611 lines covered) [HTML preview] (artifact android-coverage-report, jacocoAndroidReport/html/index.html)
    • Other counters: instruction 9.10% (47834/525841), branch 3.60% (1794/49819), complexity 3.58% (1899/53096), method 5.52% (1542/27918), class 11.04% (413/3742)
    • Lowest covered classes
      • kotlin.collections.kotlin.collections.ArraysKt___ArraysKt – 0.00% (0/6367 lines covered)
      • kotlin.collections.unsigned.kotlin.collections.unsigned.UArraysKt___UArraysKt – 0.00% (0/2384 lines covered)
      • org.jacoco.agent.rt.internal_0e20598.asm.org.jacoco.agent.rt.internal_0e20598.asm.ClassReader – 0.00% (0/1524 lines covered)
      • kotlin.collections.kotlin.collections.CollectionsKt___CollectionsKt – 0.00% (0/1187 lines covered)
      • org.jacoco.agent.rt.internal_0e20598.asm.org.jacoco.agent.rt.internal_0e20598.asm.MethodWriter – 0.00% (0/922 lines covered)
      • kotlin.sequences.kotlin.sequences.SequencesKt___SequencesKt – 0.00% (0/736 lines covered)
      • com.google.common.cache.com.google.common.cache.LocalCache$Segment – 0.00% (0/726 lines covered)
      • okio.okio.Buffer – 0.00% (0/687 lines covered)
      • kotlin.text.kotlin.text.StringsKt___StringsKt – 0.00% (0/625 lines covered)
      • org.jacoco.agent.rt.internal_0e20598.asm.org.jacoco.agent.rt.internal_0e20598.asm.Frame – 0.00% (0/570 lines covered)

Benchmark Results

Detailed Performance Metrics

Metric Duration
SIMD kernel backend scalar fallback (no native SIMD)
SIMD int-add (64K x300) java 57ms / native 63ms = 0.9x speedup
SIMD float-mul (64K x300) java 47ms / native 27ms = 1.7x speedup
SIMD kernel correctness PASS (native result == scalar reference)
Base64 payload size 8192 bytes
Base64 benchmark iterations 6000
Base64 SIMD byte path gated to scalar (CPU autovectorizes scalar; explicit SIMD not beneficial here)
Base64 CN1 encode 42.000 ms
Base64 CN1 decode 46.000 ms
Base64 native encode 301.000 ms
Base64 encode ratio (CN1/native) 0.140x (86.0% faster)
Base64 native decode 261.000 ms
Base64 decode ratio (CN1/native) 0.176x (82.4% faster)
Image encode benchmark status skipped (SIMD unsupported)

@shai-almog

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Compared 193 screenshots: 193 matched.
✅ JavaScript-port screenshot tests passed.

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Compared 172 screenshots: 172 matched.
Native Windows port (x64 / Intel-AMD): full hellocodenameone screenshot suite rendered offscreen with Direct2D/DirectWrite, plus the real benchmarks (base64 native/CN1/SIMD, image createMask/applyMask/modifyAlpha/PNG/JPEG, SSE2 SIMD kernels). Compared against the in-repo baseline in scripts/windows/screenshots.

Benchmark Results

Detailed Performance Metrics

Metric Duration
SIMD kernel backend SSE2 (x64) / NEON (arm64) native kernels
SIMD int-add (64K x300) java 62ms / native 4ms = 15.5x speedup
SIMD float-mul (64K x300) java 50ms / native 3ms = 16.6x speedup
SIMD kernel correctness PASS (native result == scalar reference)
Base64 native bridge unavailable (CN1 + SIMD + image benchmarks only)
Base64 payload size 8192 bytes
Base64 benchmark iterations 6000
Base64 SIMD byte path gated to scalar (CPU autovectorizes scalar; explicit SIMD not beneficial here)
Base64 CN1 encode 57.000 ms
Base64 CN1 decode 70.000 ms
Base64 SIMD encode 80.000 ms
Base64 encode ratio (SIMD/CN1) 1.404x (40.4% slower)
Base64 SIMD decode 75.000 ms
Base64 decode ratio (SIMD/CN1) 1.071x (7.1% slower)
Image encode benchmark iterations 100
Image createMask (SIMD off) 9.000 ms
Image createMask (SIMD on) 6.000 ms
Image createMask ratio (SIMD on/off) 0.667x (33.3% faster)
Image applyMask (SIMD off) 24.000 ms
Image applyMask (SIMD on) 29.000 ms
Image applyMask ratio (SIMD on/off) 1.208x (20.8% slower)
Image modifyAlpha (SIMD off) 32.000 ms
Image modifyAlpha (SIMD on) 23.000 ms
Image modifyAlpha ratio (SIMD on/off) 0.719x (28.1% faster)
Image modifyAlpha removeColor (SIMD off) 36.000 ms
Image modifyAlpha removeColor (SIMD on) 23.000 ms
Image modifyAlpha removeColor ratio (SIMD on/off) 0.639x (36.1% faster)

ParparVM vs HotSpot (JDK 25): Windows x64

Runner CPU: Intel64 Family 6 Model 173 Stepping 1, GenuineIntel (baseline windows-x64@intel64-family-6-model-173-genuineintel)

Ratios are ParparVM / JDK 25: below 1.00x ParparVM is faster (time) or smaller (RAM). Median of 5 interleaved, paired rounds; every run's output was verified. A regression is a ratio more than 15% (time) / 15% (RAM) above its baseline in vm/selfhost/perf-baseline.json (more, for a row whose calibration runs were noisier; the file records it), and for RAM also more than 0.05x above it in absolute terms. Both run unpinned on all of the runner's CPUs, with their own default thread counts.

Benchmark Cores Time RAM Status
hello (WinHelloMain) 4 1.24x (base 1.21x, +2.2%) 0.71x (base 0.69x, +2.2%) ok
translator (self) 4 0.64x (base 0.68x, -6.2%) 0.55x (base 0.55x, +0.5%) ok
intArithmetic 4 1.01x (base 1.01x, -0.0%) 0.06x (base 0.05x, +2.9%) ok
longArithmetic 4 1.08x (base 1.07x, +1.0%) 0.05x (base 0.05x, -0.5%) ok
mathTranscendental 4 0.90x (base 0.89x, +0.5%) 0.06x (base 0.06x, -4.0%) ok
arraySequential 4 1.48x (base 1.35x, +9.6%) 0.38x (base 0.38x, +0.2%) ok
arrayRandom 4 0.99x (base 1.00x, -0.6%) 0.23x (base 0.23x, -0.4%) ok
objectAllocation 4 3.80x (base 4.10x, -7.5%) 0.43x (base 0.47x, -8.4%) ok
valueEscape 4 0.13x (base 0.13x, +0.7%) 0.05x (base 0.05x, -1.4%) ok
hashMapChurn 4 1.06x (base 1.00x, +5.7%) 0.10x (base 0.10x, -4.6%) ok
stringBuilding 4 1.29x (base 1.25x, +3.3%) 0.23x (base 0.27x, -16.6%) better than baseline
recursion 4 1.22x (base 1.23x, -1.2%) 0.06x (base 0.06x, +0.9%) ok
quicksort 4 1.09x (base 1.08x, +1.0%) 0.12x (base 0.12x, -0.3%) ok

Result: no regression

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Comment thread Ports/iOSPort/nativeSources/IOSNative.m Outdated
Comment thread Ports/WindowsPort/nativeSources/cn1_windows_window.cpp Outdated
Comment thread CodenameOne/src/com/codename1/ui/plaf/UIManager.java Outdated
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Comment thread Ports/JavaSE/src/com/codename1/impl/javase/JavaSEPort.java Outdated
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✅ Continuous Quality Report

Test & Coverage

Static Analysis

  • SpotBugs [Report archive]
    • ✅ ByteCodeTranslator: 0 findings (no issues)
    • ✅ android: 0 findings (no issues)
    • ✅ backend: 0 findings (no issues)
    • ✅ build-hint-catalog: 0 findings (no issues)
    • ✅ build-hint-tools: 0 findings (no issues)
    • ✅ codenameone-maven-plugin: 0 findings (no issues)
    • ✅ core-unittests: 0 findings (no issues)
    • ✅ ios: 0 findings (no issues)
  • ✅ PMD: 0 findings (no issues) [Report archive]
  • ✅ Checkstyle: 0 findings (no issues) [Report archive]

Generated automatically by the PR CI workflow.

@shai-almog

shai-almog commented Sep 30, 2026 •
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Compared 12 screenshots: 12 matched.
✅ JavaSE simulator integration screenshots matched stored baselines.

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Developer Guide build artifacts are available for download from this workflow run:

Developer Guide quality checks:

  • AsciiDoc linter: No issues found (report)
  • Vale: No alerts found (report)
  • Paragraph capitalization: No paragraph capitalization issues (report)
  • LanguageTool: No grammar matches (report)
  • Image references: No unused images detected (report)

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@codex review

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Compared 172 screenshots: 172 matched.
Native Windows port (arm64 / Apple Silicon - Arm): full hellocodenameone screenshot suite rendered offscreen with Direct2D/DirectWrite, plus the real benchmarks (base64 native/CN1/SIMD, image createMask/applyMask/modifyAlpha/PNG/JPEG, NEON SIMD kernels). Compared against the in-repo baseline in scripts/windows/screenshots.

Benchmark Results

Detailed Performance Metrics

Metric Duration
SIMD kernel backend SSE2 (x64) / NEON (arm64) native kernels
SIMD int-add (64K x300) java 51ms / native 2ms = 25.5x speedup
SIMD float-mul (64K x300) java 58ms / native 2ms = 29.0x speedup
SIMD kernel correctness PASS (native result == scalar reference)
Base64 native bridge unavailable (CN1 + SIMD + image benchmarks only)
Base64 payload size 8192 bytes
Base64 benchmark iterations 6000
Base64 SIMD byte path gated to scalar (CPU autovectorizes scalar; explicit SIMD not beneficial here)
Base64 CN1 encode 45.000 ms
Base64 CN1 decode 46.000 ms
Base64 SIMD encode 57.000 ms
Base64 encode ratio (SIMD/CN1) 1.267x (26.7% slower)
Base64 SIMD decode 56.000 ms
Base64 decode ratio (SIMD/CN1) 1.217x (21.7% slower)
Image encode benchmark iterations 100
Image createMask (SIMD off) 4.000 ms
Image createMask (SIMD on) 1.000 ms
Image createMask ratio (SIMD on/off) 0.250x (75.0% faster)
Image applyMask (SIMD off) 9.000 ms
Image applyMask (SIMD on) 12.000 ms
Image applyMask ratio (SIMD on/off) 1.333x (33.3% slower)
Image modifyAlpha (SIMD off) 9.000 ms
Image modifyAlpha (SIMD on) 7.000 ms
Image modifyAlpha ratio (SIMD on/off) 0.778x (22.2% faster)
Image modifyAlpha removeColor (SIMD off) 12.000 ms
Image modifyAlpha removeColor (SIMD on) 8.000 ms
Image modifyAlpha removeColor ratio (SIMD on/off) 0.667x (33.3% faster)

ParparVM vs HotSpot (JDK 25): Windows arm64

Runner CPU: ARMv8 (64-bit) Family 8 Model D84 Revision 1, MICROSOFT CORPORATION (baseline windows-arm64@armv8-64-bit-family-8-model-d84-microsoft-corporation)

Ratios are ParparVM / JDK 25: below 1.00x ParparVM is faster (time) or smaller (RAM). Median of 5 interleaved, paired rounds; every run's output was verified. A regression is a ratio more than 15% (time) / 15% (RAM) above its baseline in vm/selfhost/perf-baseline.json (more, for a row whose calibration runs were noisier; the file records it), and for RAM also more than 0.05x above it in absolute terms. Both run unpinned on all of the runner's CPUs, with their own default thread counts.

Benchmark Cores Time RAM Status
hello (WinHelloMain) 4 1.19x (base 1.22x, -2.5%) 0.68x (base 0.70x, -2.8%) ok
translator (self) 4 0.78x (base 0.78x, +0.4%) 0.58x (base 0.57x, +1.5%) ok
intArithmetic 4 1.00x (base 1.00x, +0.1%) 0.06x (base 0.06x, -0.2%) ok
longArithmetic 4 1.04x (base 1.04x, +0.0%) 0.06x (base 0.06x, +0.2%) ok
mathTranscendental 4 0.63x (base 0.63x, +0.0%) 0.06x (base 0.06x, +0.4%) ok
arraySequential 4 0.36x (base 0.36x, -1.9%) 0.39x (base 0.39x, +0.1%) ok
arrayRandom 4 0.94x (base 0.94x, -0.0%) 0.23x (base 0.23x, -0.0%) ok
objectAllocation 4 4.41x (base 4.47x, -1.3%) 0.28x (base 0.28x, -0.5%) ok
valueEscape 4 0.76x (base 0.76x, -0.0%) 0.05x (base 0.05x, -0.6%) ok
hashMapChurn 4 0.81x (base 0.81x, +0.1%) 0.12x (base 0.12x, +3.2%) ok
stringBuilding 4 1.50x (base 1.53x, -1.5%) 0.27x (base 0.27x, -0.2%) ok
recursion 4 1.69x (base 1.67x, +1.3%) 0.06x (base 0.06x, +0.3%) ok
quicksort 4 0.94x (base 0.94x, +0.1%) 0.12x (base 0.12x, -0.4%) ok

Result: no regression

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Compared 172 screenshots: 172 matched.
Native Linux port (x64), GTK3/Cairo/Pango, ParparVM bytecode-to-C (no JVM): the hellocodenameone screenshot suite rendered by a native ELF built + run on the GitHub x64 runner. Baseline: scripts/linux/screenshots.

ParparVM vs HotSpot (JDK 25): Linux x64

Runner CPU: AMD EPYC 7763 64-Core Processor (baseline linux-x64@amd-epyc-7763-64-core-processor)

Ratios are ParparVM / JDK 25: below 1.00x ParparVM is faster (time) or smaller (RAM). Median of 5 interleaved, paired rounds; every run's output was verified. A regression is a ratio more than 15% (time) / 15% (RAM) above its baseline in vm/selfhost/perf-baseline.json (more, for a row whose calibration runs were noisier; the file records it), and for RAM also more than 0.05x above it in absolute terms. Both run unpinned on all of the runner's CPUs, with their own default thread counts.

Benchmark Cores Time RAM Status
hello (LinuxHelloMain) 4 0.84x (base 0.85x, -0.4%) 0.80x (base 0.84x, -4.6%) ok
translator (self) 4 0.45x (base 0.48x, -7.0%) 0.52x (base 0.52x, -0.7%) ok
intArithmetic 4 1.13x (base 1.12x, +0.8%) 0.07x (base 0.06x, +33.8%) ok
longArithmetic 4 1.08x (base 1.08x, +0.0%) 0.06x (base 0.05x, +3.7%) ok
mathTranscendental 4 1.08x (base 1.08x, +0.0%) 0.08x (base 0.07x, +2.8%) ok
arraySequential 4 1.88x (base 2.00x, -6.2%) 0.38x (base 0.36x, +4.8%) ok
arrayRandom 4 1.16x (base 0.91x, +27.3%) 0.23x (base 0.21x, +9.4%) ok
objectAllocation 4 4.66x (base 5.01x, -7.0%) 0.37x (base 0.37x, +0.6%) ok
valueEscape 4 0.10x (base 0.10x, -0.3%) 0.04x (base 0.04x, +1.4%) ok
hashMapChurn 4 1.50x (base 1.48x, +0.9%) 0.10x (base 0.09x, +2.9%) ok
stringBuilding 4 1.39x (base 1.39x, +0.0%) 0.26x (base 0.26x, +0.6%) ok
recursion 4 1.26x (base 1.25x, +0.0%) 0.08x (base 0.08x, +0.6%) ok
quicksort 4 1.07x (base 1.07x, -0.0%) 0.11x (base 0.11x, -2.6%) ok

Result: no regression

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Compared 172 screenshots: 172 matched.
Native Linux port (arm64), GTK3/Cairo/Pango, ParparVM bytecode-to-C (no JVM): the hellocodenameone screenshot suite rendered by a native ELF built + run on the GitHub arm64 runner. Baseline: scripts/linux/screenshots-arm.

ParparVM vs HotSpot (JDK 25): Linux arm64

Runner CPU: Neoverse-N2 (baseline linux-arm64@neoverse-n2)

Ratios are ParparVM / JDK 25: below 1.00x ParparVM is faster (time) or smaller (RAM). Median of 5 interleaved, paired rounds; every run's output was verified. A regression is a ratio more than 15% (time) / 15% (RAM) above its baseline in vm/selfhost/perf-baseline.json (more, for a row whose calibration runs were noisier; the file records it), and for RAM also more than 0.05x above it in absolute terms. Both run unpinned on all of the runner's CPUs, with their own default thread counts.

Benchmark Cores Time RAM Status
hello (LinuxHelloMain) 4 0.93x (base 0.93x, +0.1%) 0.90x (base 0.87x, +3.9%) ok
translator (self) 4 0.62x (base 0.62x, -1.0%) 0.54x (base 0.54x, -0.9%) ok
intArithmetic 4 1.04x (base 1.04x, -0.1%) 0.03x (base 0.03x, -1.7%) ok
longArithmetic 4 0.79x (base 0.79x, -0.1%) 0.03x (base 0.03x, -0.8%) ok
mathTranscendental 4 1.10x (base 1.10x, -0.1%) 0.03x (base 0.03x, +2.0%) ok
arraySequential 4 0.41x (base 0.36x, +12.4%) 0.37x (base 0.37x, +0.1%) ok
arrayRandom 4 0.94x (base 0.94x, +0.6%) 0.20x (base 0.20x, +0.3%) ok
objectAllocation 4 3.03x (base 3.04x, -0.3%) 0.24x (base 0.24x, -0.2%) ok
valueEscape 4 0.51x (base 0.51x, -0.1%) 0.03x (base 0.03x, +1.3%) ok
hashMapChurn 4 0.84x (base 0.84x, +0.1%) 0.12x (base 0.12x, -2.3%) ok
stringBuilding 4 1.30x (base 1.36x, -4.4%) 0.26x (base 0.26x, -0.0%) ok
recursion 4 1.44x (base 1.43x, +0.1%) 0.03x (base 0.04x, -1.5%) ok
quicksort 4 1.00x (base 0.99x, +0.3%) 0.09x (base 0.09x, -0.4%) ok

Result: no regression

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Native fidelity (ios-27-metal)

68 pairs compared -- median 94.6%, worst 74.5% (Toolbar_normal_dark), 25th pct 91.7%, mean 93.3%.

Distribution -- >=99%: 0 | 95-99%: 31 | 90-95%: 25 | <90%: 12

Component State Appearance Material Fidelity SSIM mean delta vs base Geometry
Toolbar normal dark glass 74.5% 0.930 7.16 0.0 ok
Button normal dark glass 79.3% 0.938 7.66 0.0 OFF (off 11px)
Button disabled dark glass 79.6% 0.942 7.41 0.0 OFF (off 11px)
RaisedButton disabled dark glass 81.2% 0.954 6.32 0.0 ok
Tabs normal dark glass 86.2% 0.900 6.73 +0.3 ok
Button pressed dark glass 86.3% 0.948 5.27 0.0 OFF (off 11px)
Tabs normal light glass 86.4% 0.895 7.61 +0.3 ok
TextField normal light normal 86.5% 0.950 3.38 0.0 ok
Toolbar normal light glass 86.9% 0.949 3.85 0.0 ok
TextField disabled light normal 89.4% 0.954 2.56 0.0 ok
Button normal light glass 89.5% 0.959 4.54 0.0 OFF (off 11px)
Button pressed light glass 89.5% 0.959 4.33 0.0 OFF (off 11px)
Spinner normal dark normal 90.7% 0.880 3.47 0.0 ok
FlatButton normal dark glass 90.9% 0.981 2.38 0.0 ok
Button disabled light glass 91.6% 0.962 3.21 0.0 OFF (off 11px)
Spinner normal light normal 91.6% 0.910 4.20 0.0 ok
CheckBox normal light normal 91.7% 0.994 0.72 0.0 ok
RadioButton normal light normal 91.7% 0.994 0.72 0.0 ok
Slider disabled dark normal 92.1% 0.943 2.45 0.0 ok
Switch selected light normal 92.1% 0.981 1.47 0.0 ok
CheckBox disabled light normal 92.3% 0.995 0.52 0.0 ok
RadioButton disabled light normal 92.3% 0.995 0.52 0.0 ok
FlatButton pressed dark glass 92.4% 0.982 1.37 0.0 ok
RaisedButton disabled light glass 92.4% 0.960 2.43 0.0 ok
Slider normal dark normal 92.5% 0.944 2.63 0.0 ok
TabsGeom normal light normal 93.1% 0.885 6.48 +0.1 OFF (off 6px)
FlatButton pressed light glass 93.3% 0.981 1.90 0.0 ok
TabsGeom normal dark normal 93.8% 0.893 4.47 +0.1 ok
FlatButton normal light glass 93.9% 0.981 1.88 0.0 ok
Slider disabled light normal 94.0% 0.963 1.75 0.0 OFF (h 4.50)
RaisedButton pressed dark glass 94.1% 0.966 2.29 0.0 ok
RaisedButton normal dark glass 94.1% 0.966 2.32 0.0 ok
RadioButton selected light normal 94.3% 0.990 0.95 0.0 ok
RaisedButton pressed light glass 94.5% 0.963 2.16 0.0 ok
GlassPanelPhoto normal dark glass 94.6% 0.951 13.16 0.0 ok
RaisedButton normal light glass 94.6% 0.963 2.17 0.0 ok
GlassPanelPhoto normal light glass 94.7% 0.951 11.57 0.0 ok
Slider normal light normal 95.1% 0.959 1.56 0.0 ok
CheckBox disabled dark normal 95.4% 0.992 0.25 0.0 ok
RadioButton disabled dark normal 95.4% 0.992 0.25 0.0 ok
Switch normal light normal 95.5% 0.986 0.70 0.0 ok
CheckBox selected light normal 95.8% 0.995 0.65 0.0 ok
CheckBox normal dark normal 95.8% 0.992 0.39 0.0 ok
RadioButton normal dark normal 95.8% 0.992 0.39 0.0 ok
Switch selected dark normal 95.9% 0.985 1.02 0.0 ok
TextField normal dark normal 96.0% 0.937 4.53 0.0 ok
RadioButton selected dark normal 96.1% 0.989 0.67 0.0 ok
Switch disabled light normal 96.4% 0.990 0.53 0.0 ok
TextField disabled dark normal 96.4% 0.940 3.39 0.0 ok
Switch normal dark normal 96.8% 0.986 0.82 0.0 ok
TabOne normal light normal 96.9% 0.948 2.57 0.0 OFF (off 6px, w 0.86)
GlassIcon normal dark normal 97.2% 0.955 3.32 0.0 ok
GlassText normal dark normal 97.3% 0.956 3.27 +0.1 ok
GlassPanelGrey normal dark normal 97.4% 0.959 3.41 0.0 ok
TabOne normal dark normal 97.4% 0.953 1.49 0.0 OFF (w 0.86)
ProgressBar normal dark normal 97.5% 0.997 0.60 0.0 ok
ProgressBar normal light normal 97.6% 0.999 0.61 0.0 ok
GlassPanelRed normal dark normal 97.7% 0.980 6.75 0.0 ok
CheckBox selected dark normal 97.9% 0.995 0.37 0.0 ok
Dialog normal dark normal 97.9% 0.961 1.38 0.0 ok
GlassPanelGrad normal dark normal 97.9% 0.975 4.86 0.0 ok
Dialog normal light normal 98.0% 0.963 1.42 0.0 ok
Switch disabled dark normal 98.0% 0.987 0.41 0.0 ok
GlassIcon normal light normal 98.2% 0.975 3.65 0.0 ok
GlassText normal light normal 98.3% 0.978 3.58 +0.1 ok
GlassPanelGrad normal light normal 98.4% 0.988 5.52 0.0 ok
GlassPanelGrey normal light normal 98.7% 0.987 3.64 0.0 ok
GlassPanelRed normal light normal 98.8% 0.990 4.14 0.0 ok
Geometry vs native (bbox offset / size ratio / center offset / corner radius) -- gated separately from the visual score
Component State Appearance bbox dx,dy (px) w ratio h ratio center off (px) radius native->cn1 (px)
Button normal dark +0,-6 1.094 1.067 10.9 90.5 -> 45.2
Button disabled dark +0,-6 1.094 1.067 10.9 92.0 -> 45.2
Button pressed dark +0,-6 1.094 1.080 10.8 79.4 -> 45.3
Button normal light +0,+0 1.094 1.000 10.5 45.7 -> 45.3
Button pressed light +0,+0 1.094 1.000 10.5 87.5 -> 45.4
Button disabled light +0,+0 1.094 1.000 10.5 49.1 -> 45.3
TabsGeom normal light +3,+0 0.990 1.069 6.1 79.8 -> 83.6
TabOne normal light +19,+0 0.863 1.069 6.1 80.9 -> 83.6
TabsGeom normal dark +3,+0 0.990 1.064 5.6 98.6 -> 99.1
TabOne normal dark +19,+0 0.863 1.064 5.6 95.2 -> 95.6
Tabs normal light +4,+0 0.988 1.064 5.5 85.9 -> 87.9
GlassIcon normal dark +1,+8 0.998 0.976 5.5 102.3 -> 102.4
GlassText normal dark +1,+8 0.998 0.976 5.5 102.3 -> 102.4
Tabs normal dark +4,+0 0.987 1.058 5.1 92.9 -> 93.7
Toolbar normal dark +6,-3 0.983 1.009 3.5 90.3 -> 55.5
Toolbar normal light +6,+7 0.984 0.926 3.2 70.9 -> 56.1
RaisedButton disabled dark +0,-6 1.009 1.079 2.7 89.6 -> 46.1
Switch selected light +0,+0 1.028 1.026 2.7 -
Slider disabled light +0,-29 1.000 4.500 2.5 -
Switch normal light +0,+0 1.023 1.013 2.1 -
Switch disabled light +0,+0 1.023 1.013 2.1 -
Switch normal dark +0,+0 1.023 1.013 2.1 -
Switch disabled dark +0,+0 1.023 1.013 2.1 -
Spinner normal light +11,-8 0.978 1.052 1.6 -
RaisedButton disabled light +0,+0 1.014 1.011 1.6 71.9 -> 96.6
FlatButton normal light +0,+0 0.980 1.011 1.6 86.2 -> 51.8
Switch selected dark +0,+0 1.017 1.013 1.6 -
Spinner normal dark +12,-8 0.977 1.052 1.5 -
CheckBox normal light +0,+0 0.977 0.977 1.4 -
RadioButton normal light +0,+0 0.977 0.977 1.4 -
RadioButton selected light +0,+0 0.977 0.977 1.4 -
CheckBox selected light +0,+0 0.977 0.977 1.4 -
CheckBox normal dark +0,+0 0.977 0.977 1.4 -
RadioButton normal dark +0,+0 0.977 0.977 1.4 -
RadioButton selected dark +0,+0 0.977 0.977 1.4 -
CheckBox selected dark +0,+0 0.977 0.977 1.4 -
FlatButton pressed light +1,+0 0.973 1.011 1.1 94.6 -> 65.6
RaisedButton pressed dark +0,+0 1.009 1.011 1.1 44.6 -> 44.3
RaisedButton normal dark +0,+0 1.009 1.011 1.1 44.5 -> 44.3
CheckBox disabled dark +1,+0 0.966 0.977 1.1 -
RadioButton disabled dark +1,+0 0.966 0.977 1.1 -
RaisedButton pressed light +0,+0 1.009 1.000 1.0 43.3 -> 44.3
RaisedButton normal light +0,+0 1.009 1.000 1.0 43.3 -> 44.1
FlatButton normal dark +4,+0 0.952 1.011 0.7 86.1 -> 95.7
FlatButton pressed dark +4,+0 0.952 1.011 0.7 94.7 -> 97.9
GlassPanelPhoto normal light +1,+1 0.997 0.995 0.7 35.1 -> 33.5
GlassPanelGrey normal light +1,+1 0.997 0.995 0.7 30.0 -> 27.4
Slider disabled dark +0,-1 1.000 1.015 0.5 -
CheckBox disabled light +1,+0 0.977 0.988 0.5 -
RadioButton disabled light +1,+0 0.977 0.988 0.5 -
Slider normal light +0,+1 1.000 0.964 0.5 -
GlassPanelGrey normal dark +1,+2 0.998 0.986 0.5 101.8 -> 102.4
ProgressBar normal dark +0,+0 1.000 0.900 0.5 -
ProgressBar normal light +0,+0 1.000 0.900 0.5 -
GlassPanelGrad normal dark +1,+0 0.998 0.995 0.5 102.0 -> 102.1
GlassIcon normal light +1,+0 0.998 1.005 0.5 91.7 -> 92.8
GlassText normal light +1,+0 0.998 1.005 0.5 91.7 -> 92.8
GlassPanelGrad normal light +1,+0 0.998 1.005 0.5 24.3 -> 26.8
GlassPanelRed normal light +1,+0 0.998 1.005 0.5 24.4 -> 25.7
TextField normal light +0,+0 1.000 1.000 0.0 13.4 -> 40.0
TextField disabled light +0,+0 1.000 1.000 0.0 13.9 -> 40.4
Slider normal dark +0,+0 1.000 1.000 0.0 -
GlassPanelPhoto normal dark +2,+1 0.996 0.991 0.0 67.3 -> 67.5
TextField normal dark +0,+0 1.000 1.000 0.0 6.4 -> 15.1
TextField disabled dark +0,+0 1.000 1.000 0.0 6.4 -> 15.9
GlassPanelRed normal dark +1,-2 0.998 1.020 0.0 102.2 -> 102.5
Dialog normal dark +0,+0 1.000 1.000 0.0 -
Dialog normal light +0,+0 1.000 1.000 0.0 -

Side-by-side comparisons (worst first)

  • Toolbar_normal_dark -- 74.49% fidelity (SSIM 0.9295) (no change)

    native Toolbar_normal_dark cn1 Toolbar_normal_dark
    Left: native widget. Right: Codename One render.

  • Button_normal_dark -- 79.28% fidelity (SSIM 0.9380) (no change)

    native Button_normal_dark cn1 Button_normal_dark
    Left: native widget. Right: Codename One render.

  • Button_disabled_dark -- 79.63% fidelity (SSIM 0.9423) (no change)

    native Button_disabled_dark cn1 Button_disabled_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_disabled_dark -- 81.15% fidelity (SSIM 0.9544) (no change)

    native RaisedButton_disabled_dark cn1 RaisedButton_disabled_dark
    Left: native widget. Right: Codename One render.

  • Tabs_normal_dark -- 86.22% fidelity (SSIM 0.8999) (+0.33 vs baseline)

    native Tabs_normal_dark cn1 Tabs_normal_dark
    Left: native widget. Right: Codename One render.

  • Button_pressed_dark -- 86.28% fidelity (SSIM 0.9483) (no change)

    native Button_pressed_dark cn1 Button_pressed_dark
    Left: native widget. Right: Codename One render.

  • Tabs_normal_light -- 86.43% fidelity (SSIM 0.8954) (+0.31 vs baseline)

    native Tabs_normal_light cn1 Tabs_normal_light
    Left: native widget. Right: Codename One render.

  • TextField_normal_light -- 86.49% fidelity (SSIM 0.9502) (no change)

    native TextField_normal_light cn1 TextField_normal_light
    Left: native widget. Right: Codename One render.

  • Toolbar_normal_light -- 86.94% fidelity (SSIM 0.9488) (no change)

    native Toolbar_normal_light cn1 Toolbar_normal_light
    Left: native widget. Right: Codename One render.

  • TextField_disabled_light -- 89.39% fidelity (SSIM 0.9540) (no change)

    native TextField_disabled_light cn1 TextField_disabled_light
    Left: native widget. Right: Codename One render.

  • Button_normal_light -- 89.45% fidelity (SSIM 0.9588) (no change)

    native Button_normal_light cn1 Button_normal_light
    Left: native widget. Right: Codename One render.

  • Button_pressed_light -- 89.45% fidelity (SSIM 0.9588) (no change)

    native Button_pressed_light cn1 Button_pressed_light
    Left: native widget. Right: Codename One render.

  • Spinner_normal_dark -- 90.72% fidelity (SSIM 0.8800) (no change)

    native Spinner_normal_dark cn1 Spinner_normal_dark
    Left: native widget. Right: Codename One render.

  • FlatButton_normal_dark -- 90.88% fidelity (SSIM 0.9805) (no change)

    native FlatButton_normal_dark cn1 FlatButton_normal_dark
    Left: native widget. Right: Codename One render.

  • Button_disabled_light -- 91.57% fidelity (SSIM 0.9621) (no change)

    native Button_disabled_light cn1 Button_disabled_light
    Left: native widget. Right: Codename One render.

  • Spinner_normal_light -- 91.58% fidelity (SSIM 0.9097) (no change)

    native Spinner_normal_light cn1 Spinner_normal_light
    Left: native widget. Right: Codename One render.

  • CheckBox_normal_light -- 91.66% fidelity (SSIM 0.9935) (no change)

    native CheckBox_normal_light cn1 CheckBox_normal_light
    Left: native widget. Right: Codename One render.

  • RadioButton_normal_light -- 91.66% fidelity (SSIM 0.9935) (no change)

    native RadioButton_normal_light cn1 RadioButton_normal_light
    Left: native widget. Right: Codename One render.

  • Slider_disabled_dark -- 92.13% fidelity (SSIM 0.9434) (no change)

    native Slider_disabled_dark cn1 Slider_disabled_dark
    Left: native widget. Right: Codename One render.

  • Switch_selected_light -- 92.13% fidelity (SSIM 0.9806) (no change)

    native Switch_selected_light cn1 Switch_selected_light
    Left: native widget. Right: Codename One render.

  • CheckBox_disabled_light -- 92.31% fidelity (SSIM 0.9948) (no change)

    native CheckBox_disabled_light cn1 CheckBox_disabled_light
    Left: native widget. Right: Codename One render.

  • RadioButton_disabled_light -- 92.31% fidelity (SSIM 0.9948) (no change)

    native RadioButton_disabled_light cn1 RadioButton_disabled_light
    Left: native widget. Right: Codename One render.

  • FlatButton_pressed_dark -- 92.38% fidelity (SSIM 0.9821) (no change)

    native FlatButton_pressed_dark cn1 FlatButton_pressed_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_disabled_light -- 92.40% fidelity (SSIM 0.9596) (no change)

    native RaisedButton_disabled_light cn1 RaisedButton_disabled_light
    Left: native widget. Right: Codename One render.

  • Slider_normal_dark -- 92.52% fidelity (SSIM 0.9441) (no change)

    native Slider_normal_dark cn1 Slider_normal_dark
    Left: native widget. Right: Codename One render.

  • TabsGeom_normal_light -- 93.13% fidelity (SSIM 0.8851) (+0.14 vs baseline)

    native TabsGeom_normal_light cn1 TabsGeom_normal_light
    Left: native widget. Right: Codename One render.

  • FlatButton_pressed_light -- 93.29% fidelity (SSIM 0.9811) (no change)

    native FlatButton_pressed_light cn1 FlatButton_pressed_light
    Left: native widget. Right: Codename One render.

  • TabsGeom_normal_dark -- 93.81% fidelity (SSIM 0.8925) (+0.14 vs baseline)

    native TabsGeom_normal_dark cn1 TabsGeom_normal_dark
    Left: native widget. Right: Codename One render.

  • FlatButton_normal_light -- 93.91% fidelity (SSIM 0.9811) (no change)

    native FlatButton_normal_light cn1 FlatButton_normal_light
    Left: native widget. Right: Codename One render.

  • Slider_disabled_light -- 93.96% fidelity (SSIM 0.9625) (no change)

    native Slider_disabled_light cn1 Slider_disabled_light
    Left: native widget. Right: Codename One render.

  • RaisedButton_pressed_dark -- 94.08% fidelity (SSIM 0.9659) (no change)

    native RaisedButton_pressed_dark cn1 RaisedButton_pressed_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_normal_dark -- 94.13% fidelity (SSIM 0.9660) (no change)

    native RaisedButton_normal_dark cn1 RaisedButton_normal_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_selected_light -- 94.26% fidelity (SSIM 0.9903) (no change)

    native RadioButton_selected_light cn1 RadioButton_selected_light
    Left: native widget. Right: Codename One render.

  • RaisedButton_pressed_light -- 94.53% fidelity (SSIM 0.9633) (no change)

    native RaisedButton_pressed_light cn1 RaisedButton_pressed_light
    Left: native widget. Right: Codename One render.

  • GlassPanelPhoto_normal_dark -- 94.60% fidelity (SSIM 0.9505) (no change)

    native GlassPanelPhoto_normal_dark cn1 GlassPanelPhoto_normal_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_normal_light -- 94.64% fidelity (SSIM 0.9632) (no change)

    native RaisedButton_normal_light cn1 RaisedButton_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelPhoto_normal_light -- 94.66% fidelity (SSIM 0.9507) (no change)

    native GlassPanelPhoto_normal_light cn1 GlassPanelPhoto_normal_light
    Left: native widget. Right: Codename One render.

  • Slider_normal_light -- 95.09% fidelity (SSIM 0.9588) (no change)

    native Slider_normal_light cn1 Slider_normal_light
    Left: native widget. Right: Codename One render.

  • CheckBox_disabled_dark -- 95.41% fidelity (SSIM 0.9924) (no change)

    native CheckBox_disabled_dark cn1 CheckBox_disabled_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_disabled_dark -- 95.41% fidelity (SSIM 0.9924) (no change)

    native RadioButton_disabled_dark cn1 RadioButton_disabled_dark
    Left: native widget. Right: Codename One render.

  • Switch_normal_light -- 95.51% fidelity (SSIM 0.9863) (no change)

    native Switch_normal_light cn1 Switch_normal_light
    Left: native widget. Right: Codename One render.

  • CheckBox_selected_light -- 95.80% fidelity (SSIM 0.9951) (no change)

    native CheckBox_selected_light cn1 CheckBox_selected_light
    Left: native widget. Right: Codename One render.

  • CheckBox_normal_dark -- 95.84% fidelity (SSIM 0.9922) (no change)

    native CheckBox_normal_dark cn1 CheckBox_normal_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_normal_dark -- 95.84% fidelity (SSIM 0.9922) (no change)

    native RadioButton_normal_dark cn1 RadioButton_normal_dark
    Left: native widget. Right: Codename One render.

  • Switch_selected_dark -- 95.90% fidelity (SSIM 0.9850) (no change)

    native Switch_selected_dark cn1 Switch_selected_dark
    Left: native widget. Right: Codename One render.

  • TextField_normal_dark -- 96.00% fidelity (SSIM 0.9370) (no change)

    native TextField_normal_dark cn1 TextField_normal_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_selected_dark -- 96.13% fidelity (SSIM 0.9894) (no change)

    native RadioButton_selected_dark cn1 RadioButton_selected_dark
    Left: native widget. Right: Codename One render.

  • Switch_disabled_light -- 96.35% fidelity (SSIM 0.9896) (no change)

    native Switch_disabled_light cn1 Switch_disabled_light
    Left: native widget. Right: Codename One render.

  • TextField_disabled_dark -- 96.35% fidelity (SSIM 0.9395) (no change)

    native TextField_disabled_dark cn1 TextField_disabled_dark
    Left: native widget. Right: Codename One render.

  • Switch_normal_dark -- 96.80% fidelity (SSIM 0.9855) (no change)

    native Switch_normal_dark cn1 Switch_normal_dark
    Left: native widget. Right: Codename One render.

  • TabOne_normal_light -- 96.90% fidelity (SSIM 0.9480) (no change)

    native TabOne_normal_light cn1 TabOne_normal_light
    Left: native widget. Right: Codename One render.

  • GlassIcon_normal_dark -- 97.18% fidelity (SSIM 0.9547) (no change)

    native GlassIcon_normal_dark cn1 GlassIcon_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassText_normal_dark -- 97.27% fidelity (SSIM 0.9563) (+0.06 vs baseline)

    native GlassText_normal_dark cn1 GlassText_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassPanelGrey_normal_dark -- 97.35% fidelity (SSIM 0.9588) (no change)

    native GlassPanelGrey_normal_dark cn1 GlassPanelGrey_normal_dark
    Left: native widget. Right: Codename One render.

  • TabOne_normal_dark -- 97.36% fidelity (SSIM 0.9531) (no change)

    native TabOne_normal_dark cn1 TabOne_normal_dark
    Left: native widget. Right: Codename One render.

  • ProgressBar_normal_dark -- 97.47% fidelity (SSIM 0.9973) (no change)

    native ProgressBar_normal_dark cn1 ProgressBar_normal_dark
    Left: native widget. Right: Codename One render.

  • ProgressBar_normal_light -- 97.60% fidelity (SSIM 0.9989) (no change)

    native ProgressBar_normal_light cn1 ProgressBar_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelRed_normal_dark -- 97.73% fidelity (SSIM 0.9795) (no change)

    native GlassPanelRed_normal_dark cn1 GlassPanelRed_normal_dark
    Left: native widget. Right: Codename One render.

  • CheckBox_selected_dark -- 97.85% fidelity (SSIM 0.9945) (no change)

    native CheckBox_selected_dark cn1 CheckBox_selected_dark
    Left: native widget. Right: Codename One render.

  • Dialog_normal_dark -- 97.86% fidelity (SSIM 0.9614) (no change)

    native Dialog_normal_dark cn1 Dialog_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassPanelGrad_normal_dark -- 97.91% fidelity (SSIM 0.9752) (no change)

    native GlassPanelGrad_normal_dark cn1 GlassPanelGrad_normal_dark
    Left: native widget. Right: Codename One render.

  • Dialog_normal_light -- 97.95% fidelity (SSIM 0.9634) (no change)

    native Dialog_normal_light cn1 Dialog_normal_light
    Left: native widget. Right: Codename One render.

  • Switch_disabled_dark -- 98.01% fidelity (SSIM 0.9869) (no change)

    native Switch_disabled_dark cn1 Switch_disabled_dark
    Left: native widget. Right: Codename One render.

  • GlassIcon_normal_light -- 98.16% fidelity (SSIM 0.9750) (no change)

    native GlassIcon_normal_light cn1 GlassIcon_normal_light
    Left: native widget. Right: Codename One render.

  • GlassText_normal_light -- 98.31% fidelity (SSIM 0.9779) (+0.06 vs baseline)

    native GlassText_normal_light cn1 GlassText_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelGrad_normal_light -- 98.41% fidelity (SSIM 0.9876) (no change)

    native GlassPanelGrad_normal_light cn1 GlassPanelGrad_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelGrey_normal_light -- 98.70% fidelity (SSIM 0.9865) (no change)

    native GlassPanelGrey_normal_light cn1 GlassPanelGrey_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelRed_normal_light -- 98.78% fidelity (SSIM 0.9900) (no change)

    native GlassPanelRed_normal_light cn1 GlassPanelRed_normal_light
    Left: native widget. Right: Codename One render.

@shai-almog

shai-almog commented Sep 30, 2026 •
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Compared 166 screenshots: 166 matched.
✅ Native Mac screenshot tests passed.

Benchmark Results

  • VM Translation Time: 0 seconds
  • Compilation Time: 243 seconds

Detailed Performance Metrics

Metric Duration
SIMD kernel backend SSE2 (x64) / NEON (arm64) native kernels
SIMD int-add (64K x300) java 52ms / native 3ms = 17.3x speedup
SIMD float-mul (64K x300) java 52ms / native 2ms = 26.0x speedup
SIMD kernel correctness PASS (native result == scalar reference)
Base64 native bridge unavailable (CN1 + SIMD + image benchmarks only)
Base64 payload size 8192 bytes
Base64 benchmark iterations 6000
Base64 SIMD byte path active (NEON-accelerated)
Base64 CN1 encode 46.000 ms
Base64 CN1 decode 56.000 ms
Image encode benchmark iterations 100
Image createMask (SIMD off) 7.000 ms
Image createMask (SIMD on) 9.000 ms
Image createMask ratio (SIMD on/off) 1.286x (28.6% slower)
Image applyMask (SIMD off) 60.000 ms
Image applyMask (SIMD on) 63.000 ms
Image applyMask ratio (SIMD on/off) 1.050x (5.0% slower)
Image modifyAlpha (SIMD off) 60.000 ms
Image modifyAlpha (SIMD on) 50.000 ms
Image modifyAlpha ratio (SIMD on/off) 0.833x (16.7% faster)
Image modifyAlpha removeColor (SIMD off) 68.000 ms
Image modifyAlpha removeColor (SIMD on) 52.000 ms
Image modifyAlpha removeColor ratio (SIMD on/off) 0.765x (23.5% faster)

ParparVM vs HotSpot (JDK 25): macOS arm64

Runner CPU: Apple M1 (Virtual) (baseline macos-arm64)

Ratios are ParparVM / JDK 25: below 1.00x ParparVM is faster (time) or smaller (RAM). Median of 5 interleaved, paired rounds; every run's output was verified. A regression is a ratio more than 15% (time) / 15% (RAM) above its baseline in vm/selfhost/perf-baseline.json (more, for a row whose calibration runs were noisier; the file records it), and for RAM also more than 0.05x above it in absolute terms. Both run unpinned on all of the runner's CPUs, with their own default thread counts.

Benchmark Cores Time RAM Status
hello (HelloCodenameOne) 3 0.91x (base 0.96x, -5.3%) 1.25x (base 1.34x, -6.7%) ok
translator (self) 3 0.52x (base 0.54x, -4.4%) 0.79x (base 0.74x, +6.5%) ok
intArithmetic 3 1.09x (base 1.03x, +5.2%) 0.12x (base 0.12x, +0.0%) ok
longArithmetic 3 1.00x (base 1.03x, -2.1%) 0.11x (base 0.11x, -2.2%) ok
mathTranscendental 3 0.99x (base 1.01x, -1.7%) 0.12x (base 0.12x, -0.7%) ok
arraySequential 3 0.43x (base 0.42x, +2.9%) 0.53x (base 0.53x, -0.1%) ok
arrayRandom 3 0.99x (base 0.99x, +0.6%) 0.32x (base 0.32x, -0.7%) ok
objectAllocation 3 3.60x (base 3.70x, -2.5%) 0.46x (base 0.48x, -4.0%) ok
valueEscape 3 0.49x (base 0.51x, -2.5%) 0.09x (base 0.09x, -0.9%) ok
hashMapChurn 3 1.04x (base 1.18x, -11.6%) 0.07x (base 0.07x, +11.4%) ok
stringBuilding 3 0.84x (base 0.84x, +0.1%) 0.54x (base 0.54x, +0.0%) ok
recursion 3 1.25x (base 1.24x, +1.3%) 0.12x (base 0.12x, -1.9%) ok
quicksort 3 0.99x (base 1.01x, -2.0%) 0.11x (base 0.11x, -0.3%) ok

Result: no regression

@shai-almog

shai-almog commented Sep 30, 2026 •
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Compared 155 screenshots: 155 matched.
✅ Native iOS Metal screenshot tests passed.

Benchmark Results

  • VM Translation Time: 0 seconds
  • Compilation Time: 1715 seconds

Build and Run Timing

Metric Duration
Simulator Boot 1000 ms
Simulator Boot (Run) 1000 ms
App Install 17000 ms
App Launch 2000 ms
Test Execution 352000 ms

Detailed Performance Metrics

Metric Duration
SIMD kernel backend SSE2 (x64) / NEON (arm64) native kernels
SIMD int-add (64K x300) java 58ms / native 3ms = 19.3x speedup
SIMD float-mul (64K x300) java 57ms / native 3ms = 19.0x speedup
SIMD kernel correctness PASS (native result == scalar reference)
Base64 payload size 8192 bytes
Base64 benchmark iterations 6000
Base64 SIMD byte path active (NEON-accelerated)
Base64 CN1 encode 54.000 ms
Base64 CN1 decode 59.000 ms
Base64 native encode 603.000 ms
Base64 encode ratio (CN1/native) 0.090x (91.0% faster)
Base64 native decode 587.000 ms
Base64 decode ratio (CN1/native) 0.101x (89.9% faster)
Base64 SIMD encode 78.000 ms
Base64 encode ratio (SIMD/CN1) 1.444x (44.4% slower)
Base64 SIMD decode 49.000 ms
Base64 decode ratio (SIMD/CN1) 0.831x (16.9% faster)
Base64 encode ratio (SIMD/native) 0.129x (87.1% faster)
Base64 decode ratio (SIMD/native) 0.083x (91.7% faster)
Image encode benchmark iterations 100
Image createMask (SIMD off) 6.000 ms
Image createMask (SIMD on) 2.000 ms
Image createMask ratio (SIMD on/off) 0.333x (66.7% faster)
Image applyMask (SIMD off) 39.000 ms
Image applyMask (SIMD on) 52.000 ms
Image applyMask ratio (SIMD on/off) 1.333x (33.3% slower)
Image modifyAlpha (SIMD off) 27.000 ms
Image modifyAlpha (SIMD on) 22.000 ms
Image modifyAlpha ratio (SIMD on/off) 0.815x (18.5% faster)
Image modifyAlpha removeColor (SIMD off) 42.000 ms
Image modifyAlpha removeColor (SIMD on) 33.000 ms
Image modifyAlpha removeColor ratio (SIMD on/off) 0.786x (21.4% faster)

@shai-almog

shai-almog commented Sep 30, 2026 •
edited
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Compared 154 screenshots: 154 matched.
✅ Native Mac screenshot tests passed.

Benchmark Results

  • VM Translation Time: 0 seconds
  • Compilation Time: 292 seconds

Detailed Performance Metrics

Metric Duration
SIMD kernel backend SSE2 (x64) / NEON (arm64) native kernels
SIMD int-add (64K x300) java 61ms / native 3ms = 20.3x speedup
SIMD float-mul (64K x300) java 69ms / native 3ms = 23.0x speedup
SIMD kernel correctness PASS (native result == scalar reference)
Base64 payload size 8192 bytes
Base64 benchmark iterations 6000
Base64 SIMD byte path active (NEON-accelerated)
Base64 CN1 encode 88.000 ms
Base64 CN1 decode 121.000 ms
Base64 native encode 954.000 ms
Base64 encode ratio (CN1/native) 0.092x (90.8% faster)
Base64 native decode 516.000 ms
Base64 decode ratio (CN1/native) 0.234x (76.6% faster)
Base64 SIMD encode 82.000 ms
Base64 encode ratio (SIMD/CN1) 0.932x (6.8% faster)
Base64 SIMD decode 66.000 ms
Base64 decode ratio (SIMD/CN1) 0.545x (45.5% faster)
Base64 encode ratio (SIMD/native) 0.086x (91.4% faster)
Base64 decode ratio (SIMD/native) 0.128x (87.2% faster)
Image encode benchmark iterations 100
Image createMask (SIMD off) 8.000 ms
Image createMask (SIMD on) 4.000 ms
Image createMask ratio (SIMD on/off) 0.500x (50.0% faster)
Image applyMask (SIMD off) 84.000 ms
Image applyMask (SIMD on) 74.000 ms
Image applyMask ratio (SIMD on/off) 0.881x (11.9% faster)
Image modifyAlpha (SIMD off) 78.000 ms
Image modifyAlpha (SIMD on) 63.000 ms
Image modifyAlpha ratio (SIMD on/off) 0.808x (19.2% faster)
Image modifyAlpha removeColor (SIMD off) 70.000 ms
Image modifyAlpha removeColor (SIMD on) 65.000 ms
Image modifyAlpha removeColor ratio (SIMD on/off) 0.929x (7.1% faster)

@shai-almog

shai-almog commented Sep 30, 2026 •
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Compared 150 screenshots: 150 matched.
✅ Native Apple TV (tvOS, Metal) screenshot tests passed.

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Compared 155 screenshots: 155 matched.
✅ Native iOS Metal screenshot tests passed.

Benchmark Results

  • VM Translation Time: 0 seconds
  • Compilation Time: 2068 seconds

Build and Run Timing

Metric Duration
Simulator Boot 104000 ms
Simulator Boot (Run) 1000 ms
App Install 22000 ms
App Launch 14000 ms
Test Execution 536000 ms

Detailed Performance Metrics

Metric Duration
SIMD kernel backend SSE2 (x64) / NEON (arm64) native kernels
SIMD int-add (64K x300) java 82ms / native 5ms = 16.4x speedup
SIMD float-mul (64K x300) java 59ms / native 3ms = 19.6x speedup
SIMD kernel correctness PASS (native result == scalar reference)
Base64 payload size 8192 bytes
Base64 benchmark iterations 6000
Base64 SIMD byte path active (NEON-accelerated)
Base64 CN1 encode 69.000 ms
Base64 CN1 decode 72.000 ms
Base64 native encode 1395.000 ms
Base64 encode ratio (CN1/native) 0.049x (95.1% faster)
Base64 native decode 1565.000 ms
Base64 decode ratio (CN1/native) 0.046x (95.4% faster)
Base64 SIMD encode 67.000 ms
Base64 encode ratio (SIMD/CN1) 0.971x (2.9% faster)
Base64 SIMD decode 59.000 ms
Base64 decode ratio (SIMD/CN1) 0.819x (18.1% faster)
Base64 encode ratio (SIMD/native) 0.048x (95.2% faster)
Base64 decode ratio (SIMD/native) 0.038x (96.2% faster)
Image encode benchmark iterations 100
Image createMask (SIMD off) 6.000 ms
Image createMask (SIMD on) 4.000 ms
Image createMask ratio (SIMD on/off) 0.667x (33.3% faster)
Image applyMask (SIMD off) 321.000 ms
Image applyMask (SIMD on) 462.000 ms
Image applyMask ratio (SIMD on/off) 1.439x (43.9% slower)
Image modifyAlpha (SIMD off) 30.000 ms
Image modifyAlpha (SIMD on) 47.000 ms
Image modifyAlpha ratio (SIMD on/off) 1.567x (56.7% slower)
Image modifyAlpha removeColor (SIMD off) 61.000 ms
Image modifyAlpha removeColor (SIMD on) 389.000 ms
Image modifyAlpha removeColor ratio (SIMD on/off) 6.377x (537.7% slower)

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shai-almog commented Sep 30, 2026 •
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Compared 223 screenshots: 223 matched.
✅ Native Apple Watch (watchOS, Core Graphics) screenshot tests passed.

@shai-almog
Repair new-runner performance calibration and iOS gesture timing
3e8e6e3 
Add the missing AMD EPYC 9V45 baseline using the completed five-round
measurements from run 36737294474, job 109964379342, through the existing
calibration script. Preserve every existing CPU baseline and global threshold.

Allow the iOS browser typing step to include XCUITest's preceding-action
idle wait. Run 36737295337 spent 28 seconds in that wait, exhausting the
old 30-second app deadline before the first focus tap. Keep real input-event
assertions and the driver's bounded 25-second key loop unchanged.

Validation: 23 performance gate tests; all 26 new CPU metrics resolve and
pass; Java 8 compilation of every gesture-suite class; git diff --check.
The separate CoreSimulatorService hang in run 36737294450 is a runner fault.
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Reviewed commit: 3e8e6e3111

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Comment thread Ports/JavaSE/src/com/codename1/impl/javase/JavaSEPort.java Outdated
Comment thread CodenameOne/src/com/codename1/ui/plaf/UIManager.java Outdated
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💡 Codex Review

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✅ ByteCodeTranslator Quality Report

Test & Coverage

  • ✅ Tests: 740 total, 0 failed, 57 skipped

Benchmark Results

  • Execution Time: 11567 ms

  • Hotspots (Top 20 sampled methods):

    • 5.54% com.codename1.tools.translator.IteratorEscape.ctorOnlyStoresParamsIntoThis (60 samples)
    • 5.26% com.codename1.tools.translator.BytecodeMethod.equals (57 samples)
    • 4.98% java.lang.StringBuilder.append (54 samples)
    • 3.78% java.lang.System.identityHashCode (41 samples)
    • 2.95% java.util.ArrayList.indexOf (32 samples)
    • 2.86% java.lang.String.equals (31 samples)
    • 2.31% com.codename1.tools.translator.IteratorEscape.mangle (25 samples)
    • 2.12% com.codename1.tools.translator.ByteCodeClass.hasDeclaredMethod (23 samples)
    • 2.03% com.codename1.tools.translator.ByteCodeClass.fillVirtualMethodTable (22 samples)
    • 1.94% com.codename1.tools.translator.JavascriptReachability.enqueueResolved (21 samples)
    • 1.94% com.codename1.tools.translator.bytecodes.Invoke.resolveDirectTarget (21 samples)
    • 1.85% com.codename1.tools.translator.BytecodeMethod.optimize (20 samples)
    • 1.66% com.codename1.tools.translator.BytecodeMethod.updateInlinableFieldDependencies (18 samples)
    • 1.48% java.lang.Object.hashCode (16 samples)
    • 1.48% com.codename1.tools.translator.DeadFieldElimination.run (16 samples)
    • 1.48% java.io.FileOutputStream.writeBytes (16 samples)
    • 1.48% org.objectweb.asm.tree.analysis.Frame.execute (16 samples)
    • 1.38% com.codename1.tools.translator.IteratorEscape.walk (15 samples)
    • 1.20% com.codename1.tools.translator.ByteCodeClass.generateCCode (13 samples)
    • 1.20% com.codename1.tools.translator.NativeSymbolIndex.<init> (13 samples)

  • ⚠️ Coverage report not generated.

Static Analysis

  • ✅ SpotBugs: no findings (report was not generated by the build).
  • ⚠️ PMD report not generated.
  • ⚠️ Checkstyle report not generated.

Generated automatically by the PR CI workflow.

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Native fidelity (iOS Modern, Metal)

68 pairs compared -- median 95.0%, worst 83.5% (Tabs_normal_dark), 25th pct 92.5%, mean 94.6%.

Distribution -- >=99%: 3 | 95-99%: 31 | 90-95%: 29 | <90%: 5

Component State Appearance Material Fidelity SSIM mean delta vs base Geometry
Tabs normal dark glass 83.5% 0.884 11.66 0.0 ok
Tabs normal light glass 86.4% 0.896 8.00 0.0 ok
Toolbar normal light glass 87.6% 0.951 4.24 0.0 ok
Toolbar normal dark glass 87.7% 0.950 3.69 0.0 ok
Button pressed dark glass 89.9% 0.958 4.21 0.0 OFF (off 12px, w 1.10)
TextField normal light normal 90.0% 0.958 2.78 -0.4 ok
Spinner normal dark normal 90.8% 0.881 3.39 -0.7 ok
TextField disabled light normal 91.1% 0.962 2.24 -0.2 ok
Spinner normal light normal 91.6% 0.910 4.11 -0.2 ok
RaisedButton disabled light glass 91.8% 0.961 3.09 +0.2 ok
Button normal dark glass 91.8% 0.958 3.52 0.0 OFF (off 12px, w 1.10)
Slider disabled dark normal 92.1% 0.943 2.45 -0.3 ok
Switch selected light normal 92.1% 0.981 1.47 0.0 ok
CheckBox normal light normal 92.2% 0.994 0.68 0.0 ok
RadioButton normal light normal 92.2% 0.994 0.68 0.0 ok
FlatButton normal dark glass 92.2% 0.983 2.21 +4.3 ok
Button normal light glass 92.4% 0.961 3.65 0.0 OFF (off 12px, w 1.10)
Slider normal dark normal 92.5% 0.944 2.63 -0.2 ok
RaisedButton disabled dark glass 92.7% 0.965 2.72 +1.3 ok
CheckBox disabled light normal 92.7% 0.995 0.50 0.0 ok
RadioButton disabled light normal 92.7% 0.995 0.50 0.0 ok
Button pressed light glass 92.9% 0.962 3.29 0.0 OFF (off 12px, w 1.10)
FlatButton pressed dark glass 92.9% 0.985 1.26 +2.3 ok
TabsGeom normal dark normal 93.0% 0.892 8.75 0.0 ok
TabsGeom normal light normal 93.0% 0.886 7.09 0.0 ok
FlatButton pressed light glass 93.2% 0.982 1.90 +4.3 ok
Button disabled dark glass 93.5% 0.962 2.47 0.0 OFF (off 12px, w 1.10)
Slider disabled light normal 94.0% 0.963 1.75 -0.1 OFF (h 4.50)
FlatButton normal light glass 94.2% 0.983 1.79 +1.3 ok
Button disabled light glass 94.4% 0.964 2.36 0.0 OFF (off 12px, w 1.10)
RaisedButton pressed dark glass 94.6% 0.965 2.07 +1.5 ok
RaisedButton normal dark glass 94.6% 0.966 2.08 +1.7 ok
RaisedButton pressed light glass 94.8% 0.967 2.22 +2.0 ok
RadioButton selected light normal 94.8% 0.992 0.86 0.0 ok
RaisedButton normal light glass 95.0% 0.967 2.19 +2.4 ok
Slider normal light normal 95.1% 0.959 1.56 0.0 ok
Switch normal light normal 95.5% 0.986 0.70 0.0 ok
CheckBox disabled dark normal 95.8% 0.993 0.25 0.0 ok
RadioButton disabled dark normal 95.8% 0.993 0.25 0.0 ok
CheckBox selected light normal 95.8% 0.994 0.67 0.0 ok
Switch selected dark normal 95.9% 0.985 1.02 0.0 ok
Switch disabled light normal 96.4% 0.990 0.53 0.0 ok
CheckBox normal dark normal 96.5% 0.993 0.35 0.0 ok
RadioButton normal dark normal 96.5% 0.993 0.35 0.0 ok
GlassPanelPhoto normal light glass 96.7% 0.980 7.95 +0.6 ok
GlassPanelPhoto normal dark glass 96.8% 0.983 8.78 +0.6 ok
TabOne normal dark normal 96.8% 0.953 4.44 +0.7 ok
Switch normal dark normal 96.8% 0.986 0.82 0.0 ok
RadioButton selected dark normal 96.8% 0.991 0.57 0.0 ok
TextField normal dark normal 96.9% 0.949 3.30 -0.2 ok
TextField disabled dark normal 97.2% 0.953 2.37 -0.2 ok
ProgressBar normal dark normal 97.5% 0.997 0.60 +3.0 ok
TabOne normal light normal 97.5% 0.961 2.90 +1.9 ok
ProgressBar normal light normal 97.6% 0.999 0.61 +2.2 ok
CheckBox selected dark normal 97.8% 0.993 0.38 0.0 ok
Dialog normal dark normal 97.9% 0.961 1.38 +0.9 ok
Dialog normal light normal 98.0% 0.963 1.42 +0.9 ok
Switch disabled dark normal 98.0% 0.987 0.41 +2.5 ok
GlassIcon normal dark normal 98.6% 0.984 3.55 0.0 ok
GlassText normal dark normal 98.6% 0.985 3.48 0.0 ok
GlassIcon normal light normal 98.7% 0.986 3.54 0.0 ok
GlassText normal light normal 98.7% 0.987 3.54 0.0 ok
GlassPanelGrad normal light normal 98.9% 0.994 4.38 +0.7 ok
GlassPanelGrad normal dark normal 99.0% 0.993 3.84 +0.5 ok
GlassPanelGrey normal dark normal 99.0% 0.992 3.30 +0.6 ok
GlassPanelGrey normal light normal 99.1% 0.994 3.29 +0.7 ok
GlassPanelRed normal dark normal 99.1% 0.993 3.22 +0.5 ok
GlassPanelRed normal light normal 99.1% 0.994 3.49 +0.7 ok
Geometry vs native (bbox offset / size ratio / center offset / corner radius) -- gated separately from the visual score
Component State Appearance bbox dx,dy (px) w ratio h ratio center off (px) radius native->cn1 (px)
Button pressed dark +0,+0 1.104 1.000 11.5 45.4 -> 45.3
Button normal dark +0,+0 1.104 1.000 11.5 45.8 -> 45.2
Button normal light +0,+0 1.104 1.000 11.5 44.5 -> 45.3
Button pressed light +0,+0 1.104 1.000 11.5 48.1 -> 45.4
Button disabled dark +0,+0 1.104 1.000 11.5 45.1 -> 45.2
Button disabled light +0,+0 1.104 1.000 11.5 44.0 -> 45.3
TabOne normal dark -3,+0 1.007 0.948 4.9 80.3 -> 77.3
TabOne normal light -3,+0 1.007 0.948 4.9 79.1 -> 77.0
Toolbar normal light +4,+7 0.987 0.926 3.5 62.5 -> 56.1
Toolbar normal dark +4,+7 0.987 0.919 3.2 60.5 -> 55.5
Switch selected light +0,+0 1.028 1.026 2.7 -
RaisedButton disabled dark +0,+0 1.024 1.011 2.6 49.8 -> 46.1
Slider disabled light +0,-29 1.000 4.500 2.5 -
CheckBox disabled light +1,-3 1.000 1.023 2.2 -
RadioButton disabled light +1,-3 1.000 1.023 2.2 -
CheckBox disabled dark +1,-3 1.000 1.023 2.2 -
RadioButton disabled dark +1,-3 1.000 1.023 2.2 -
RaisedButton disabled light +0,+0 1.019 1.011 2.1 54.1 -> 96.6
RaisedButton pressed dark +0,+0 1.019 1.011 2.1 44.5 -> 44.3
RaisedButton normal dark +0,+0 1.019 1.011 2.1 44.4 -> 44.3
RaisedButton pressed light +0,+0 1.019 1.011 2.1 44.7 -> 44.3
RaisedButton normal light +0,+0 1.019 1.011 2.1 44.5 -> 44.1
Switch normal light +0,+0 1.023 1.013 2.1 -
Switch disabled light +0,+0 1.023 1.013 2.1 -
Switch normal dark +0,+0 1.023 1.013 2.1 -
Switch disabled dark +0,+0 1.023 1.013 2.1 -
CheckBox normal dark +0,-2 1.000 1.000 2.0 -
RadioButton normal dark +0,-2 1.000 1.000 2.0 -
RadioButton selected dark +0,-2 1.000 1.000 2.0 -
CheckBox selected dark +0,-2 1.000 1.000 2.0 -
Tabs normal dark +9,+0 0.973 1.012 1.8 79.7 -> 80.7
Tabs normal light +9,+0 0.973 1.012 1.8 79.2 -> 80.3
TabsGeom normal dark +9,+0 0.973 1.012 1.8 80.5 -> 80.9
TabsGeom normal light +9,+0 0.973 1.012 1.8 79.3 -> 80.6
FlatButton normal dark +4,+0 0.966 1.011 1.6 91.8 -> 95.7
FlatButton pressed dark +4,+0 0.966 1.011 1.6 95.3 -> 97.9
Switch selected dark +0,+0 1.017 1.013 1.6 -
CheckBox normal light +0,-2 1.000 1.011 1.5 -
RadioButton normal light +0,-2 1.000 1.011 1.5 -
RadioButton selected light +0,-2 1.000 1.011 1.5 -
CheckBox selected light +0,-2 1.000 1.011 1.5 -
Spinner normal light +11,-9 0.978 1.055 1.1 -
GlassIcon normal dark +0,+1 0.999 1.000 1.1 92.1 -> 91.5
GlassText normal dark +0,+1 0.999 1.000 1.1 92.1 -> 91.5
Spinner normal dark +12,-9 0.977 1.055 1.0 -
GlassPanelGrey normal dark +0,+1 1.000 1.000 1.0 26.4 -> 26.9
TextField disabled light +0,+1 0.999 0.996 0.7 13.9 -> 38.7
FlatButton normal light +0,+0 0.993 1.011 0.7 91.9 -> 51.8
Slider disabled dark +0,-1 1.000 1.015 0.5 -
FlatButton pressed light +1,+0 0.986 1.011 0.5 95.4 -> 65.6
Slider normal light +0,+1 1.000 0.964 0.5 -
GlassPanelPhoto normal light +0,+0 1.000 1.005 0.5 25.6 -> 31.4
GlassPanelPhoto normal dark +0,+0 1.000 1.005 0.5 23.0 -> 27.0
ProgressBar normal dark +0,+0 1.000 0.900 0.5 -
ProgressBar normal light +0,+0 1.000 0.900 0.5 -
GlassIcon normal light +0,+0 1.000 1.005 0.5 91.6 -> 92.3
GlassText normal light +0,+0 1.000 1.005 0.5 91.6 -> 92.3
GlassPanelGrad normal light +0,+0 1.000 1.005 0.5 22.3 -> 25.9
GlassPanelGrad normal dark +1,+1 0.998 0.995 0.5 25.7 -> 22.5
GlassPanelGrey normal light +0,+0 1.000 1.005 0.5 22.4 -> 26.0
GlassPanelRed normal dark +1,+1 0.998 0.995 0.5 26.6 -> 22.8
GlassPanelRed normal light +0,+0 1.000 1.005 0.5 22.1 -> 26.1
TextField normal light +0,+0 1.000 1.000 0.0 13.4 -> 40.5
Slider normal dark +0,+0 1.000 1.000 0.0 -
TextField normal dark +0,+0 1.000 1.000 0.0 6.4 -> 15.1
TextField disabled dark +0,+0 1.000 1.000 0.0 6.4 -> 15.9
Dialog normal dark +0,+0 1.000 1.000 0.0 -
Dialog normal light +0,+0 1.000 1.000 0.0 -

Side-by-side comparisons (worst first)

  • Tabs_normal_dark -- 83.45% fidelity (SSIM 0.8842) (no change)

    native Tabs_normal_dark cn1 Tabs_normal_dark
    Left: native widget. Right: Codename One render.

  • Tabs_normal_light -- 86.44% fidelity (SSIM 0.8961) (no change)

    native Tabs_normal_light cn1 Tabs_normal_light
    Left: native widget. Right: Codename One render.

  • Toolbar_normal_light -- 87.64% fidelity (SSIM 0.9511) (no change)

    native Toolbar_normal_light cn1 Toolbar_normal_light
    Left: native widget. Right: Codename One render.

  • Toolbar_normal_dark -- 87.70% fidelity (SSIM 0.9495) (no change)

    native Toolbar_normal_dark cn1 Toolbar_normal_dark
    Left: native widget. Right: Codename One render.

  • Button_pressed_dark -- 89.93% fidelity (SSIM 0.9576) (no change)

    native Button_pressed_dark cn1 Button_pressed_dark
    Left: native widget. Right: Codename One render.

  • TextField_normal_light -- 90.03% fidelity (SSIM 0.9576) (-0.37 vs baseline)

    native TextField_normal_light cn1 TextField_normal_light
    Left: native widget. Right: Codename One render.

  • Spinner_normal_dark -- 90.78% fidelity (SSIM 0.8814) (-0.69 vs baseline)

    native Spinner_normal_dark cn1 Spinner_normal_dark
    Left: native widget. Right: Codename One render.

  • TextField_disabled_light -- 91.13% fidelity (SSIM 0.9619) (-0.22 vs baseline)

    native TextField_disabled_light cn1 TextField_disabled_light
    Left: native widget. Right: Codename One render.

  • Spinner_normal_light -- 91.58% fidelity (SSIM 0.9099) (-0.21 vs baseline)

    native Spinner_normal_light cn1 Spinner_normal_light
    Left: native widget. Right: Codename One render.

  • RaisedButton_disabled_light -- 91.76% fidelity (SSIM 0.9613) (+0.15 vs baseline)

    native RaisedButton_disabled_light cn1 RaisedButton_disabled_light
    Left: native widget. Right: Codename One render.

  • Button_normal_dark -- 91.84% fidelity (SSIM 0.9583) (no change)

    native Button_normal_dark cn1 Button_normal_dark
    Left: native widget. Right: Codename One render.

  • Slider_disabled_dark -- 92.13% fidelity (SSIM 0.9434) (-0.31 vs baseline)

    native Slider_disabled_dark cn1 Slider_disabled_dark
    Left: native widget. Right: Codename One render.

  • Switch_selected_light -- 92.13% fidelity (SSIM 0.9806) (no change)

    native Switch_selected_light cn1 Switch_selected_light
    Left: native widget. Right: Codename One render.

  • CheckBox_normal_light -- 92.16% fidelity (SSIM 0.9938) (no change)

    native CheckBox_normal_light cn1 CheckBox_normal_light
    Left: native widget. Right: Codename One render.

  • RadioButton_normal_light -- 92.16% fidelity (SSIM 0.9938) (no change)

    native RadioButton_normal_light cn1 RadioButton_normal_light
    Left: native widget. Right: Codename One render.

  • FlatButton_normal_dark -- 92.21% fidelity (SSIM 0.9833) (+4.25 vs baseline)

    native FlatButton_normal_dark cn1 FlatButton_normal_dark
    Left: native widget. Right: Codename One render.

  • Button_normal_light -- 92.37% fidelity (SSIM 0.9609) (no change)

    native Button_normal_light cn1 Button_normal_light
    Left: native widget. Right: Codename One render.

  • Slider_normal_dark -- 92.52% fidelity (SSIM 0.9441) (-0.22 vs baseline)

    native Slider_normal_dark cn1 Slider_normal_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_disabled_dark -- 92.65% fidelity (SSIM 0.9653) (+1.25 vs baseline)

    native RaisedButton_disabled_dark cn1 RaisedButton_disabled_dark
    Left: native widget. Right: Codename One render.

  • CheckBox_disabled_light -- 92.71% fidelity (SSIM 0.9953) (no change)

    native CheckBox_disabled_light cn1 CheckBox_disabled_light
    Left: native widget. Right: Codename One render.

  • RadioButton_disabled_light -- 92.71% fidelity (SSIM 0.9953) (no change)

    native RadioButton_disabled_light cn1 RadioButton_disabled_light
    Left: native widget. Right: Codename One render.

  • Button_pressed_light -- 92.88% fidelity (SSIM 0.9617) (no change)

    native Button_pressed_light cn1 Button_pressed_light
    Left: native widget. Right: Codename One render.

  • FlatButton_pressed_dark -- 92.90% fidelity (SSIM 0.9849) (+2.31 vs baseline)

    native FlatButton_pressed_dark cn1 FlatButton_pressed_dark
    Left: native widget. Right: Codename One render.

  • TabsGeom_normal_dark -- 93.02% fidelity (SSIM 0.8921) (+0.01 vs baseline)

    native TabsGeom_normal_dark cn1 TabsGeom_normal_dark
    Left: native widget. Right: Codename One render.

  • TabsGeom_normal_light -- 93.02% fidelity (SSIM 0.8861) (no change)

    native TabsGeom_normal_light cn1 TabsGeom_normal_light
    Left: native widget. Right: Codename One render.

  • FlatButton_pressed_light -- 93.20% fidelity (SSIM 0.9819) (+4.33 vs baseline)

    native FlatButton_pressed_light cn1 FlatButton_pressed_light
    Left: native widget. Right: Codename One render.

  • Button_disabled_dark -- 93.52% fidelity (SSIM 0.9618) (no change)

    native Button_disabled_dark cn1 Button_disabled_dark
    Left: native widget. Right: Codename One render.

  • Slider_disabled_light -- 93.96% fidelity (SSIM 0.9625) (-0.05 vs baseline)

    native Slider_disabled_light cn1 Slider_disabled_light
    Left: native widget. Right: Codename One render.

  • FlatButton_normal_light -- 94.18% fidelity (SSIM 0.9825) (+1.32 vs baseline)

    native FlatButton_normal_light cn1 FlatButton_normal_light
    Left: native widget. Right: Codename One render.

  • Button_disabled_light -- 94.35% fidelity (SSIM 0.9636) (no change)

    native Button_disabled_light cn1 Button_disabled_light
    Left: native widget. Right: Codename One render.

  • RaisedButton_pressed_dark -- 94.56% fidelity (SSIM 0.9653) (+1.46 vs baseline)

    native RaisedButton_pressed_dark cn1 RaisedButton_pressed_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_normal_dark -- 94.57% fidelity (SSIM 0.9659) (+1.69 vs baseline)

    native RaisedButton_normal_dark cn1 RaisedButton_normal_dark
    Left: native widget. Right: Codename One render.

  • RaisedButton_pressed_light -- 94.80% fidelity (SSIM 0.9665) (+2.04 vs baseline)

    native RaisedButton_pressed_light cn1 RaisedButton_pressed_light
    Left: native widget. Right: Codename One render.

  • RadioButton_selected_light -- 94.84% fidelity (SSIM 0.9916) (no change)

    native RadioButton_selected_light cn1 RadioButton_selected_light
    Left: native widget. Right: Codename One render.

  • RaisedButton_normal_light -- 95.01% fidelity (SSIM 0.9673) (+2.40 vs baseline)

    native RaisedButton_normal_light cn1 RaisedButton_normal_light
    Left: native widget. Right: Codename One render.

  • Slider_normal_light -- 95.09% fidelity (SSIM 0.9588) (-0.04 vs baseline)

    native Slider_normal_light cn1 Slider_normal_light
    Left: native widget. Right: Codename One render.

  • Switch_normal_light -- 95.51% fidelity (SSIM 0.9863) (no change)

    native Switch_normal_light cn1 Switch_normal_light
    Left: native widget. Right: Codename One render.

  • CheckBox_disabled_dark -- 95.76% fidelity (SSIM 0.9928) (no change)

    native CheckBox_disabled_dark cn1 CheckBox_disabled_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_disabled_dark -- 95.76% fidelity (SSIM 0.9928) (no change)

    native RadioButton_disabled_dark cn1 RadioButton_disabled_dark
    Left: native widget. Right: Codename One render.

  • CheckBox_selected_light -- 95.80% fidelity (SSIM 0.9938) (no change)

    native CheckBox_selected_light cn1 CheckBox_selected_light
    Left: native widget. Right: Codename One render.

  • Switch_selected_dark -- 95.90% fidelity (SSIM 0.9850) (no change)

    native Switch_selected_dark cn1 Switch_selected_dark
    Left: native widget. Right: Codename One render.

  • Switch_disabled_light -- 96.35% fidelity (SSIM 0.9896) (+0.04 vs baseline)

    native Switch_disabled_light cn1 Switch_disabled_light
    Left: native widget. Right: Codename One render.

  • CheckBox_normal_dark -- 96.52% fidelity (SSIM 0.9927) (no change)

    native CheckBox_normal_dark cn1 CheckBox_normal_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_normal_dark -- 96.52% fidelity (SSIM 0.9927) (no change)

    native RadioButton_normal_dark cn1 RadioButton_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassPanelPhoto_normal_light -- 96.72% fidelity (SSIM 0.9804) (+0.64 vs baseline)

    native GlassPanelPhoto_normal_light cn1 GlassPanelPhoto_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelPhoto_normal_dark -- 96.76% fidelity (SSIM 0.9832) (+0.59 vs baseline)

    native GlassPanelPhoto_normal_dark cn1 GlassPanelPhoto_normal_dark
    Left: native widget. Right: Codename One render.

  • TabOne_normal_dark -- 96.77% fidelity (SSIM 0.9526) (+0.73 vs baseline)

    native TabOne_normal_dark cn1 TabOne_normal_dark
    Left: native widget. Right: Codename One render.

  • Switch_normal_dark -- 96.80% fidelity (SSIM 0.9855) (no change)

    native Switch_normal_dark cn1 Switch_normal_dark
    Left: native widget. Right: Codename One render.

  • RadioButton_selected_dark -- 96.81% fidelity (SSIM 0.9908) (no change)

    native RadioButton_selected_dark cn1 RadioButton_selected_dark
    Left: native widget. Right: Codename One render.

  • TextField_normal_dark -- 96.88% fidelity (SSIM 0.9492) (-0.20 vs baseline)

    native TextField_normal_dark cn1 TextField_normal_dark
    Left: native widget. Right: Codename One render.

  • TextField_disabled_dark -- 97.19% fidelity (SSIM 0.9526) (-0.15 vs baseline)

    native TextField_disabled_dark cn1 TextField_disabled_dark
    Left: native widget. Right: Codename One render.

  • ProgressBar_normal_dark -- 97.47% fidelity (SSIM 0.9973) (+3.03 vs baseline)

    native ProgressBar_normal_dark cn1 ProgressBar_normal_dark
    Left: native widget. Right: Codename One render.

  • TabOne_normal_light -- 97.51% fidelity (SSIM 0.9608) (+1.89 vs baseline)

    native TabOne_normal_light cn1 TabOne_normal_light
    Left: native widget. Right: Codename One render.

  • ProgressBar_normal_light -- 97.60% fidelity (SSIM 0.9989) (+2.19 vs baseline)

    native ProgressBar_normal_light cn1 ProgressBar_normal_light
    Left: native widget. Right: Codename One render.

  • CheckBox_selected_dark -- 97.79% fidelity (SSIM 0.9932) (no change)

    native CheckBox_selected_dark cn1 CheckBox_selected_dark
    Left: native widget. Right: Codename One render.

  • Dialog_normal_dark -- 97.86% fidelity (SSIM 0.9614) (+0.89 vs baseline)

    native Dialog_normal_dark cn1 Dialog_normal_dark
    Left: native widget. Right: Codename One render.

  • Dialog_normal_light -- 97.95% fidelity (SSIM 0.9634) (+0.86 vs baseline)

    native Dialog_normal_light cn1 Dialog_normal_light
    Left: native widget. Right: Codename One render.

  • Switch_disabled_dark -- 98.01% fidelity (SSIM 0.9869) (+2.48 vs baseline)

    native Switch_disabled_dark cn1 Switch_disabled_dark
    Left: native widget. Right: Codename One render.

  • GlassIcon_normal_dark -- 98.59% fidelity (SSIM 0.9841) (no change)

    native GlassIcon_normal_dark cn1 GlassIcon_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassText_normal_dark -- 98.64% fidelity (SSIM 0.9848) (+0.05 vs baseline)

    native GlassText_normal_dark cn1 GlassText_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassIcon_normal_light -- 98.67% fidelity (SSIM 0.9860) (no change)

    native GlassIcon_normal_light cn1 GlassIcon_normal_light
    Left: native widget. Right: Codename One render.

  • GlassText_normal_light -- 98.74% fidelity (SSIM 0.9874) (+0.05 vs baseline)

    native GlassText_normal_light cn1 GlassText_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelGrad_normal_light -- 98.91% fidelity (SSIM 0.9935) (+0.67 vs baseline)

    native GlassPanelGrad_normal_light cn1 GlassPanelGrad_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelGrad_normal_dark -- 98.98% fidelity (SSIM 0.9928) (+0.55 vs baseline)

    native GlassPanelGrad_normal_dark cn1 GlassPanelGrad_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassPanelGrey_normal_dark -- 98.99% fidelity (SSIM 0.9917) (+0.57 vs baseline)

    native GlassPanelGrey_normal_dark cn1 GlassPanelGrey_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassPanelGrey_normal_light -- 99.05% fidelity (SSIM 0.9936) (+0.67 vs baseline)

    native GlassPanelGrey_normal_light cn1 GlassPanelGrey_normal_light
    Left: native widget. Right: Codename One render.

  • GlassPanelRed_normal_dark -- 99.09% fidelity (SSIM 0.9926) (+0.52 vs baseline)

    native GlassPanelRed_normal_dark cn1 GlassPanelRed_normal_dark
    Left: native widget. Right: Codename One render.

  • GlassPanelRed_normal_light -- 99.10% fidelity (SSIM 0.9939) (+0.67 vs baseline)

    native GlassPanelRed_normal_light cn1 GlassPanelRed_normal_light
    Left: native widget. Right: Codename One render.

@shai-almog

shai-almog commented Oct 1, 2026

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@codex review

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💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: ad4b66ecc5

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Comment thread Ports/LinuxPort/nativeSources/cn1_linux_window.c
Comment thread Ports/iOSPort/nativeSources/IOSNative.m Outdated
Comment thread CodenameOne/src/com/codename1/ui/plaf/UIManager.java Outdated
@shai-almog

shai-almog commented Oct 1, 2026

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Codex Review: Didn't find any major issues. Keep it up!

Reviewed commit: 3f279ff6a9

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

  • Open a pull request for review
  • Mark a draft as ready
  • Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".

@shai-almog
Avoid GTK self-dispatch deadlock during native theme startup
37418e2
@shai-almog
Calibrate Windows ARM64 allocation variance from five unchanged-code …
195dc28 
…runs

The same CPU model and unchanged VM/benchmark sources measured allocation
ratios of 2.712, 2.595, 3.425, 2.808, and 3.571 across completed runs
36727183244, 36737294581, 36813957271, 36823098403, and 36830698080.

Use calibrate-perf-baseline.py on those five perf-results.json artifacts,
retaining only this CPU's objectAllocation row. The run medians produce
a 2.808 time baseline with 45% row-specific time tolerance under the
existing spread-margin policy, and a 0.454 memory baseline. Other rows
and global thresholds are unchanged. All five observed runs pass;
values above the calibrated band still fail.

Validation: 23 performance-gate tests; exact preservation of other
baseline rows; identical VM sources across all five revisions.
@shai-almog
Merge master and reconcile performance baselines
ae59c43
@shai-almog
shai-almog merged commit 9891fae into master Oct 1, 2026
16 of 57 checks passed
@shai-almog
shai-almog deleted the native-theme-os-settings branch October 1, 2026 14:54
shai-almog added a commit that referenced this pull request Oct 1, 2026
@shai-almog @claude
Merge origin/master: re-migrate perf-baseline.json as #5927 left it
709d4e6 
#5927 added a Windows x64 Intel Family 6 Model 173 calibration and re-measured the
Windows ARM64 d49 objectAllocation row in the old single file. base/ is regenerated
from master's file, asserted lossless; the old file stays deleted.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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