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Compute operator bounding boxes in the worker - #22289

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calixteman wants to merge 3 commits into
mozilla:masterfrom
calixteman:bbox_worker
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calixteman wants to merge 3 commits into
mozilla:masterfrom
calixteman:bbox_worker

Enable optimized partial rendering by default

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CodSpeed / CodSpeed Performance Analysis failed Oct 23, 2026

Performance Regression: -3.78%

⚡ 3 improved benchmarks
❌ 6 regressed benchmarks
✅ 78 untouched benchmarks
⏩ 87 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Benchmark BASE HEAD Efficiency
❌ PartialEvaluator.buildPath: lines (bug1743245.pdf) 15.4 ms 18.5 ms -16.68%
❌ FlateStream: content streams (tracemonkey.pdf) 39.7 ms 43 ms -7.61%
❌ OperatorList.addOp: paths and clips (bug1703683_page2_reduced.pdf) 6 ms 6.5 ms -6.43%
❌ Lexer.getObj: text (issue12963.pdf) 18.7 ms 19.9 ms -5.88%
❌ PartialEvaluator.buildPath: curves (issue12705.pdf) 1.1 ms 1.2 ms -5.86%
❌ EvaluatorPreprocessor.read: paths (bug1743245.pdf) 55.7 ms 58.9 ms -5.33%
⚡ createImage: signature (samplesignature.png) 160.7 ms 152.3 ms +5.48%
⚡ Pattern.parseShading: function-based, PostScript (function_based_shading.pdf) 46.1 ms 43.8 ms +5.37%
⚡ RunLengthStream (issue19326.pdf) 494.8 µs 470 µs +5.27%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.


Comparing calixteman:bbox_worker (34f4838) with master (11d4a2e)

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Footnotes

  1. 87 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩