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⚡ Bolt: [avoid generator overhead in VectorSet.by_name]#394

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bolt-generator-overhead-16372396815061258189
Open

⚡ Bolt: [avoid generator overhead in VectorSet.by_name]#394
bashandbone wants to merge 1 commit into
mainfrom
bolt-generator-overhead-16372396815061258189

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@bashandbone

@bashandbone bashandbone commented Jun 14, 2026

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💡 What: Replaced the generator expression inside next() with a standard for loop in VectorSet.by_name.
🎯 Why: To eliminate the overhead of creating a generator object for a simple key lookup in a dictionary's values.
📊 Impact: Provides a micro-optimization by avoiding generator creation overhead in lookups, slightly speeding up searches in hot paths.
🔬 Measurement: Review execution time in high-throughput by_name lookups or benchmark iterations compared to previous next() with generator expression overhead.


PR created automatically by Jules for task 16372396815061258189 started by @bashandbone

Summary by Sourcery

Enhancements:

  • Improve VectorSet.by_name performance by avoiding generator creation overhead during vector lookups.

Co-authored-by: bashandbone <89049923+bashandbone@users.noreply.github.com>
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sourcery-ai Bot commented Jun 14, 2026

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Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Replaces the generator-based implementation of VectorSet.by_name with an explicit for-loop to avoid generator creation overhead on lookups, providing a small performance optimization in hot paths.

File-Level Changes

Change Details Files
Optimize VectorSet.by_name by replacing next()+generator expression with an explicit loop to avoid generator allocation overhead.
  • Remove use of next() with a generator expression for matching VectorConfig instances by name.
  • Introduce an explicit for-loop over self.vectors.values() that returns the first VectorConfig whose name matches the requested name.
  • Return None explicitly if no matching VectorConfig is found after iterating all values.
  • Add a brief inline comment documenting that this is a Bolt optimization to avoid generator overhead.
src/codeweaver/providers/types/vectors.py

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🤖 Hi @bashandbone, I've received your request, and I'm working on it now! You can track my progress in the logs for more details.

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@sourcery-ai sourcery-ai Bot left a comment

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Hey - I've left some high level feedback:

  • Consider simplifying or removing the inline # Bolt Optimization comment—either make it a neutral explanation of the approach (e.g., # Use a simple loop to avoid generator creation in hot paths) or rely on the git history/PR for the rationale to keep the codebase style consistent.
  • If by_name is a known hotspot, it might be worth checking for similar next(... for ...) patterns elsewhere in this module so lookup behavior and style remain consistent and the same micro-optimization is applied where it matters.
Prompt for AI Agents
Please address the comments from this code review:

## Overall Comments
- Consider simplifying or removing the inline `# Bolt Optimization` comment—either make it a neutral explanation of the approach (e.g., `# Use a simple loop to avoid generator creation in hot paths`) or rely on the git history/PR for the rationale to keep the codebase style consistent.
- If `by_name` is a known hotspot, it might be worth checking for similar `next(... for ...)` patterns elsewhere in this module so lookup behavior and style remain consistent and the same micro-optimization is applied where it matters.

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