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Add cmake flag for enabling instruction subsets supported by the local machine #101

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Add cmake flag for enabling instruction subsets supported by the local machine #101

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32a63f7
add option for building with -march=native flag
wirthual Feb 13, 2026
09603f3
Merge branch 'main' of https://github.com/alibaba/zvec
wirthual Feb 13, 2026
f9655e4
add option for building with -march=native flag
wirthual Feb 13, 2026
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18 changes: 12 additions & 6 deletions cmake/option.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,8 @@ option(ENABLE_SAPPHIRERAPIDS "Enable Intel Sapphire Rapids Server CPU microarchi
option(ENABLE_EMERALDRAPIDS "Enable Intel Emerald Rapids Server CPU microarchitecture" OFF)
option(ENABLE_GRANITERAPIDS "Enable Intel Granite Rapids Server CPU microarchitecture" OFF)

option(X86_ARCH_NATIVE "Build with -march=native" OFF)

## AMD Microarchitectures
option(ENABLE_ZEN1 "Enable AMD Zen+ Family 17h CPU microarchitecture" OFF)
option(ENABLE_ZEN2 "Enable AMD Zen 2 Family 17h CPU microarchitecture" OFF)
Expand Down Expand Up @@ -89,12 +91,16 @@ function(_detect_armv8_best)
endfunction()

function(_detect_x86_best)
set(_x86_flags
"graniterapids" "emeraldrapids" "sapphirerapids"
"skylake-avx512" "skylake"
"broadwell" "haswell" "sandybridge" "nehalem"
"znver3" "znver2" "znver1"
)
if(X86_ARCH_NATIVE)
set(_x86_flags "native")
else()
set(_x86_flags
"graniterapids" "emeraldrapids" "sapphirerapids"
"skylake-avx512" "skylake"
"broadwell" "haswell" "sandybridge" "nehalem"
"znver3" "znver2" "znver1"
)
endif()
foreach(_arch IN LISTS _x86_flags)
check_c_compiler_flag("-march=${_arch}" _COMP_SUPP_${_arch})
if(_COMP_SUPP_${_arch})
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1 change: 1 addition & 0 deletions pyproject.toml
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Expand Up @@ -116,6 +116,7 @@ sdist.include = [
[tool.scikit-build.cmake.define]
BUILD_TOOLS = "OFF"
BUILD_PYTHON_BINDINGS = "ON"
X86_ARCH_NATIVE="ON"

# Setuptools config for test pypi
[tool.setuptools_scm]
Expand Down