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@ldionne ldionne commented Feb 20, 2025

I've recently noticed that our CI is bottlenecked around platforms on which we don't have a lot of capacity like macOS (mostly) and Windows. To try to alleviate that, this patch moves the macOS builds and the Windows builds further down the pipeline so that they will get triggered less often (if an earlier job fails).

I've recently noticed that our CI is bottlenecked around platforms on
which we don't have a lot of capacity like macOS (mostly) and Windows.
To try to alleviate that, this patch moves the macOS builds and the
Windows builds further down the pipeline so that they will get triggered
less often (if an earlier job fails).
@llvmbot llvmbot added libc++ libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi. github:workflow labels Feb 20, 2025
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llvmbot commented Feb 20, 2025

@llvm/pr-subscribers-libcxx

@llvm/pr-subscribers-github-workflow

Author: Louis Dionne (ldionne)

Changes

I've recently noticed that our CI is bottlenecked around platforms on which we don't have a lot of capacity like macOS (mostly) and Windows. To try to alleviate that, this patch moves the macOS builds and the Windows builds further down the pipeline so that they will get triggered less often (if an earlier job fails).


Full diff: https://github.com/llvm/llvm-project/pull/128008.diff

1 Files Affected:

  • (modified) .github/workflows/libcxx-build-and-test.yaml (+3-3)
diff --git a/.github/workflows/libcxx-build-and-test.yaml b/.github/workflows/libcxx-build-and-test.yaml
index d0193a4ec2faa..93e673ca513a4 100644
--- a/.github/workflows/libcxx-build-and-test.yaml
+++ b/.github/workflows/libcxx-build-and-test.yaml
@@ -124,7 +124,7 @@ jobs:
             **/crash_diagnostics/*
   stage3:
     if: github.repository_owner == 'llvm'
-    needs: [ stage1, stage2 ]
+    needs: [ stage2 ]
     continue-on-error: false
     strategy:
       fail-fast: false
@@ -188,7 +188,7 @@ jobs:
             **/crash_diagnostics/*
 
   macos:
-    needs: [ stage1 ]
+    needs: [ stage3 ]
     strategy:
       fail-fast: false
       matrix:
@@ -232,7 +232,7 @@ jobs:
 
   windows:
     runs-on: windows-2022
-    needs: [ stage1 ]
+    needs: [ stage2 ]
     strategy:
       fail-fast: false
       matrix:

@ldionne ldionne merged commit e11ca59 into llvm:main Feb 21, 2025
66 checks passed
@ldionne ldionne deleted the review/shuffle-precommit-ci-order branch February 21, 2025 12:58
@philnik777
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FWIW I find the title of the patch a bit misleading. This makes the pipeline even longer, which isn't at all obvious and I'm really not a huge fan of making it even longer. Is this intended to be permanent?

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3 participants