Add JitTrace files for v4.1045 #11454
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Francisco-Gamino
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Pull Request Overview
This PR adds JIT trace data for version 4.1045 to optimize cold start performance by pre-compiling frequently used methods. The changes demonstrate measurable improvements in JIT times and reduced method compilation counts across multiple runtime environments (Node.js 18, .NET isolated 6.0, 8.0, and 9.0).
Key changes:
- Added 143 new JIT trace entries to the Linux cold start trace file
- Updated release notes to document the addition
Reviewed Changes
Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| src/WebJobs.Script.WebHost/PreJIT/linux.coldstart.jittrace | Added 143 method signatures to the JIT trace file based on profiling data from v4.1045 |
| release_notes.md | Added release note entry documenting the JIT trace file update |
eliaslopezgt
approved these changes
Oct 28, 2025
kshyju
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Oct 28, 2025
safihamid
approved these changes
Oct 28, 2025
Francisco-Gamino
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Oct 28, 2025
* Add JitTrace files for v4.1045 * Update release notes
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Francisco-Gamino
added a commit
that referenced
this pull request
Oct 28, 2025
* Add JitTrace files for v4.1045 (#11454) * Add JitTrace files for v4.1045 * Update release notes * Update release notes
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JitTrace 4.1045.100
Windows JitTrace
Linux JitTrace