[hashkrish]

💡 What:

Optimized splitPath in internal/services/cloudbuild/resources.go to pre-allocate the slice using parts := make([]string, 0, strings.Count(s, "/")+1).

🎯 Why:

The previous implementation declared var parts []string and then appended items in a loop. Since the initial capacity was zero, append had to repeatedly allocate a new underlying array and copy elements as the slice grew. By using strings.Count(s, "/") + 1 to pre-calculate the required capacity, we only need to allocate memory once, eliminating unnecessary reallocation overhead.

📊 Measured Improvement:

Benchmark results for splitting projects/my-project/locations/us-central1/builds/some-build-id:

Baseline (splitPathOrig):

• Time: ~423 ns/op
• Memory: 240 B/op
• Allocations: 4 allocs/op

Improvement (splitPathPrealloc):

• Time: ~187 ns/op (~55% reduction)
• Memory: 96 B/op (~60% reduction)
• Allocations: 1 allocs/op (75% reduction)

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PR created automatically by Jules for task 4770290119391907250 started by @hashkrish

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