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ci: circumvent AVX512 issue on GHA runners #87

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Merged
Ahajha merged 2 commits into from
May 20, 2026
Merged

ci: circumvent AVX512 issue on GHA runners #87

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94a08d5
ci: circumvent AVX512 issue on GHA runners
Ahajha May 20, 2026
01fc5fc
fix
Ahajha May 20, 2026
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5 changes: 5 additions & 0 deletions .bazelrc
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Expand Up @@ -6,3 +6,8 @@ info --platforms=@platforms//host

common --platforms=@mojo_host_platform
common --host_platform=@mojo_host_platform

# HACK: Github Action runners using AMD EPYC CPUs have AVX512 disabled.
# Mojo will happily generate those instructions, but then they crash at runtime.
# Totally disable AVX512 to circumvent the issue.
common:ci --//:mojo_copt=--target-features=-avx512f,-avx512bw,-avx512cd,-avx512dq,-avx512vl,-avx512ifma,-avx512vbmi,-avx512vbmi2,-avx512vnni,-avx512bitalg,-avx512vpopcntdq,-avx512fp16,-avx512bf16
5 changes: 4 additions & 1 deletion .github/workflows/ci.yaml
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Expand Up @@ -32,4 +32,7 @@ jobs:
run: |
bazel version
bazel info
- run: bazel test //...
- name: CPU Info
run: |
lscpu || true
- run: bazel test --config=ci //...
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