Skip to content

⚡ Bolt: [performance improvement] Eliminate eager array allocations in computed properties#368

Open
acebytes wants to merge 1 commit into
mainfrom
bolt-lazy-filter-optimizations-14204071518616257543
Open

⚡ Bolt: [performance improvement] Eliminate eager array allocations in computed properties#368
acebytes wants to merge 1 commit into
mainfrom
bolt-lazy-filter-optimizations-14204071518616257543

Conversation

@acebytes

Copy link
Copy Markdown
Contributor

💡 What: Replaced eager .filter calls with .lazy.filter and .contains(where:) in CacheoutViewModel and MenuBarView.
🎯 Why: Calling .filter followed by .isEmpty or .count allocates a complete array just to check boolean state or get a count, causing memory churn in frequently evaluated SwiftUI computed properties. Additionally, checking selectedNodeModulesSize > 0 forced a full iteration over node modules instead of short-circuiting.
📊 Impact: Reduces intermediate array allocations during rendering and O(N) operations to O(1) short-circuiting when checking selections, improving frame rates.
🔬 Measurement: Verify memory allocations remain stable when toggling selections in the UI or leaving the menu bar open.


PR created automatically by Jules for task 14204071518616257543 started by @acebytes

…n computed properties

Replaced eager `.filter` calls with `.lazy.filter` and `.contains(where:)` in `CacheoutViewModel` and `MenuBarView`. Calling `.filter` followed by `.isEmpty` or `.count` allocates a complete array just to check boolean state or get a count, causing memory churn in frequently evaluated SwiftUI computed properties. Additionally, checking `selectedNodeModulesSize > 0` forced a full iteration over node modules instead of short-circuiting. Reduces intermediate array allocations during rendering and O(N) operations to O(1) short-circuiting when checking selections, improving frame rates.

Co-authored-by: acebytes <2820910+acebytes@users.noreply.github.com>
@google-labs-jules

Copy link
Copy Markdown
Contributor

👋 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 @jules. You can find this option in the Pull Request section of your global Jules UI settings. You can always switch back!

New to Jules? Learn more at jules.google/docs.


For security, I will only act on instructions from the user who triggered this task.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

1 participant