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Check cpu features more portably in test_libs.sh #758

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Merged
mhucka merged 1 commit into from
Jun 13, 2025
Merged

Check cpu features more portably in test_libs.sh #758

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1 change: 1 addition & 0 deletions dev-requirements.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,3 +2,4 @@ black~=25.1.0
flynt~=1.0
pytest
pytest-xdist
py-cpuinfo
22 changes: 2 additions & 20 deletions dev_tools/test_libs.sh
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Expand Up @@ -28,28 +28,10 @@ if [[ "$1" == "-h" || "$1" == "--help" || "$1" == "help" ]]; then
exit 0
fi

declare features=""
shopt -s nocasematch
# Note: can't use Bash $OSTYPE var here b/c the value is "linux-gnu" on Win 10.
case "$(uname -s)" in
darwin*)
features=$(sysctl machdep.cpu.features)
;;
linux*)
features=$(grep -m1 -i "^flags" /proc/cpuinfo)
;;
windows*|cygwin*|mingw32*|msys*|mingw*)
features=$(wmic cpu get Caption,InstructionSet /value 2>/dev/null)
;;
*)
echo "Unsupported OS: $(uname -s)"
exit 1
;;
esac
shopt -u nocasematch

# Unless we can tell this system supports AVX, we skip those tests.
declare features=""
declare filters=""
features="$(python -c 'import cpuinfo; print(" ".join(cpuinfo.get_cpu_info().get("flags", [])))')"
[[ "$features" == *avx2* ]] || filters+=",-avx"
[[ "$features" == *sse* ]] || filters+=",-sse"
filters="${filters#,}"
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