dotnet / dotnet/msbuild

Investigate MT evaluation performance regression in pipelines

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#14,020 0 comments 0 reactions 1 assignee Claimed by @AR-May View on GitHub
Area: Performance
Dominant language
C#
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Description

MT evaluation is significantly slower in pipelines than on Dev Box (about 5x vs about 2x).

Goals:
1. Find the primary cause(s) of the MT evaluation slowdown.
2. Identify actionable fixes.
3. Validate improvements with before/after measurements.

Known so far:
PRE cache was ruled out as the primary cause (it adds lock contention but does not explain the regression).

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