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[Hardware][POWER] Add IBM POWER11 Support to CPU Extension Detection #19082

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Merged
merged 1 commit into from
Jun 8, 2025
Merged

[Hardware][POWER] Add IBM POWER11 Support to CPU Extension Detection #19082

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19 changes: 13 additions & 6 deletions cmake/cpu_extension.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ if (MACOSX_FOUND AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
else()
find_isa(${CPUINFO} "avx2" AVX2_FOUND)
find_isa(${CPUINFO} "avx512f" AVX512_FOUND)
find_isa(${CPUINFO} "Power11" POWER11_FOUND)
find_isa(${CPUINFO} "POWER10" POWER10_FOUND)
find_isa(${CPUINFO} "POWER9" POWER9_FOUND)
find_isa(${CPUINFO} "asimd" ASIMD_FOUND) # Check for ARM NEON support
Expand Down Expand Up @@ -106,13 +107,19 @@ elseif (AVX2_FOUND)
list(APPEND CXX_COMPILE_FLAGS "-mavx2")
message(WARNING "vLLM CPU backend using AVX2 ISA")

elseif (POWER9_FOUND OR POWER10_FOUND)
elseif (POWER9_FOUND OR POWER10_FOUND OR POWER11_FOUND)
message(STATUS "PowerPC detected")
# Check for PowerPC VSX support
list(APPEND CXX_COMPILE_FLAGS
"-mvsx"
"-mcpu=native"
"-mtune=native")
if (POWER9_FOUND)
list(APPEND CXX_COMPILE_FLAGS
"-mvsx"
"-mcpu=power9"
"-mtune=power9")
elseif (POWER10_FOUND OR POWER11_FOUND)
list(APPEND CXX_COMPILE_FLAGS
"-mvsx"
"-mcpu=power10"
"-mtune=power10")
endif()

elseif (ASIMD_FOUND)
message(STATUS "ARMv8 or later architecture detected")
Expand Down