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⚡ Bolt: Optimize NetworkxBuilder loop performance#45

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bolt-optimize-networkx-builder-2975286979348156087
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⚡ Bolt: Optimize NetworkxBuilder loop performance#45
google-labs-jules[bot] wants to merge 1 commit intomainfrom
bolt-optimize-networkx-builder-2975286979348156087

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@google-labs-jules
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💡 What:

  • Hoisted node_types dictionary lookup outside the node population loop.
  • Hoisted parent_type check outside the loop.
  • Optimized kwargs passing in recursion to avoid copy() overhead by using in-place modification (safe due to **kwargs unpacking creating new dicts).

🎯 Why:
Graph generation performance was impacted by repetitive dictionary lookups and dictionary copying in the hot loop of _populate_nodes.

📊 Impact:
Benchmarking with ~36,000 nodes showed a ~26% reduction in execution time (1.64s -> 1.21s).

🔬 Measurement:
Verified with a benchmark script (created locally) and ensured correctness with existing tests. Verified recursion safety with additional local tests.


PR created automatically by Jules for task 2975286979348156087 started by @erivlis

- Hoist `node_types` lookup and `parent_type` check outside loop.
- Optimize recursion `kwargs` handling to avoid `copy()`.
- Reduced graph generation time by ~26% (1.64s -> 1.21s for ~36k nodes).
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Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation Diff coverage
+0.01% (target: -2.00%) 100.00%
Coverage variation details
Coverable lines Covered lines Coverage
Common ancestor commit (b0eaa4b) 994 965 97.08%
Head commit (94f94f0) 997 (+3) 968 (+3) 97.09% (+0.01%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details
Coverable lines Covered lines Diff coverage
Pull request (#45) 9 9 100.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

See your quality gate settings    Change summary preferences

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@codacy-production
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Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation Diff coverage
+0.01% (target: -2.00%) 100.00%
Coverage variation details
Coverable lines Covered lines Coverage
Common ancestor commit (b0eaa4b) 994 965 97.08%
Head commit (94f94f0) 997 (+3) 968 (+3) 97.09% (+0.01%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details
Coverable lines Covered lines Diff coverage
Pull request (#45) 9 9 100.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

See your quality gate settings    Change summary preferences

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codecov bot commented Jan 19, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.18%. Comparing base (b0eaa4b) to head (94f94f0).
✅ All tests successful. No failed tests found.

Additional details and impacted files
@@            Coverage Diff             @@
##             main      #45      +/-   ##
==========================================
+ Coverage   95.17%   95.18%   +0.01%     
==========================================
  Files          21       21              
  Lines         994      997       +3     
  Branches      100      100              
==========================================
+ Hits          946      949       +3     
  Misses         29       29              
  Partials       19       19              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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deepsource-io bot commented Jan 19, 2026

Here's the code health analysis summary for commits b0eaa4b..94f94f0. View details on DeepSource ↗.

Analysis Summary

AnalyzerStatusSummaryLink
DeepSource JavaScript LogoJavaScript✅ SuccessView Check ↗
DeepSource Test coverage LogoTest coverage⚠️ Artifact not reportedTimed out: Artifact was never reportedView Check ↗
DeepSource Python LogoPython✅ SuccessView Check ↗

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