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Reduce macos github CI build time#14048

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xingbowang wants to merge 8 commits intofacebook:mainfrom
xingbowang:2025_10_15_macos
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Reduce macos github CI build time#14048
xingbowang wants to merge 8 commits intofacebook:mainfrom
xingbowang:2025_10_15_macos

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@xingbowang
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@xingbowang xingbowang commented Oct 15, 2025

Summary:

We are adding more and more tests, so we need to increase the number of shards in macos build to reduce overall CI time.

macos-15-xlarge image is ARM, which has 5 vCPU cores, but is still 50% faster than the intel x86 12 vCPU.

Test time reduced from 1h 37m to 14m.

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Summary:

We are adding more and more tests, so we need to increase the number of
shards in macos build to reduce overall CI time.

Test Plan:

Reviewers:

Subscribers:

Tasks:

Tags:
@meta-cla meta-cla bot added the CLA Signed label Oct 15, 2025
@xingbowang xingbowang changed the title Increase macos build parallelism from 2 to 6 Reduce macos github CI build time Oct 15, 2025
@xingbowang xingbowang marked this pull request as ready for review October 15, 2025 19:28
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meta-codesync bot commented Oct 15, 2025

@xingbowang has imported this pull request. If you are a Meta employee, you can view this in D84741917.

@pdillinger
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Awesome, thanks!

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meta-codesync bot commented Oct 16, 2025

@xingbowang merged this pull request in 1d18c4e.

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4 participants