perf(bridge/core): optimize bindSlice and bindMap#161
Conversation
- Add fast-path for converting `[]byte` into JS ArrayBuffer without per-element reflection overhead. - Use `v.MapRange()` and `strconv` fast-paths for mapping map objects directly from keys. Co-authored-by: repyh <63894915+repyh@users.noreply.github.com>
|
👋 Jules, reporting for duty! I'm here to lend a hand with this pull request. When you start a review, I'll add a 👀 emoji to each comment to let you know I've read it. I'll focus on feedback directed at me and will do my best to stay out of conversations between you and other bots or reviewers to keep the noise down. I'll push a commit with your requested changes shortly after. Please note there might be a delay between these steps, but rest assured I'm on the job! For more direct control, you can switch me to Reactive Mode. When this mode is on, I will only act on comments where you specifically mention me with New to Jules? Learn more at jules.google/docs. For security, I will only act on instructions from the user who triggered this task. |
📝 WalkthroughWalkthrough
ChangesJS Binding Performance Optimizations
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Poem
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✏️ Tip: You can configure your own custom pre-merge checks in the settings. ✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out. Comment |
![coderabbitai[bot]](https://avatars.githubusercontent.com/in/347564?s=60&v=4){kind=small}
There was a problem hiding this comment.
Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@bridge/core/reflection.go`:
- Around line 351-353: The extra allocation and copy using "copied :=
make([]byte, len(bytes)); copy(copied, bytes)" before calling ToArrayBuffer is
redundant because ToArrayBuffer already copies the data; remove those two lines
and pass the original bytes slice directly to ToArrayBuffer(vm, bytes) in the
function where this occurs (the return site shown uses the bytes variable and
calls ToArrayBuffer), eliminating the needless allocation and memory copy.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
| copied := make([]byte, len(bytes)) | ||
| copy(copied, bytes) | ||
| return ToArrayBuffer(vm, copied), nil |
There was a problem hiding this comment.
Remove the redundant byte-slice copy before ToArrayBuffer.
ToArrayBuffer already creates a copy of the input bytes, so this extra copied := make([]byte, ...) + copy(...) adds avoidable allocation and memory copy on the fast-path.
Suggested diff
- copied := make([]byte, len(bytes))
- copy(copied, bytes)
- return ToArrayBuffer(vm, copied), nil
+ return ToArrayBuffer(vm, bytes), nil📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| copied := make([]byte, len(bytes)) | |
| copy(copied, bytes) | |
| return ToArrayBuffer(vm, copied), nil | |
| return ToArrayBuffer(vm, bytes), nil |
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@bridge/core/reflection.go` around lines 351 - 353, The extra allocation and
copy using "copied := make([]byte, len(bytes)); copy(copied, bytes)" before
calling ToArrayBuffer is redundant because ToArrayBuffer already copies the
data; remove those two lines and pass the original bytes slice directly to
ToArrayBuffer(vm, bytes) in the function where this occurs (the return site
shown uses the bytes variable and calls ToArrayBuffer), eliminating the needless
allocation and memory copy.
1 participant
[]byteby converting toArrayBufferdirectly.v.MapRange()instead ofv.MapKeys().PR created automatically by Jules for task 10905898188319771187 started by @repyh
Summary by CodeRabbit