ExternalVendorCode/whisper.cpp
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build : detect AVX512 in Makefile, add AVX512 option in CMake (#2043)

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* make : add AVX512 detection to Makefile and CMakeLists.txt

* make : autodetect more AVX512 instruction subsets

* cmake : do not default to AVX512, must be enabled explicitly

* cmake : enable a set of AVX512 subsets, when AVX512 is turned on

* make : consolidate AVX512 subsets, add AVX512 VBMI

* cmake : revert to NO AVX512 setting, add settings for AVX512 VNNI and VBMI

* make : re-introduce AVX512VNNI back

* cmake : remove superfluous comment line
This commit is contained in:
Didzis Gosko 2024-04-15 20:02:09 +03:00 committed by GitHub
parent 5c554c04ff
commit c7f95b7ca2
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2 changed files with 55 additions and 11 deletions
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48
CMakeLists.txt
View File

@ -59,10 +59,13 @@ option(WHISPER_BUILD_EXAMPLES "whisper: build examples" ${WHISPER_STANDA
option(WHISPER_SDL2 "whisper: support for libSDL2" OFF)
option(WHISPER_NO_AVX "whisper: disable AVX" OFF)
option(WHISPER_NO_AVX2 "whisper: disable AVX2" OFF)
option(WHISPER_NO_FMA "whisper: disable FMA" OFF)
option(WHISPER_NO_F16C "whisper: disable F16c" OFF)
option(WHISPER_NO_AVX "whisper: disable AVX" OFF)
option(WHISPER_NO_AVX2 "whisper: disable AVX2" OFF)
option(WHISPER_NO_AVX512 "whisper: disable AVX512" ON)
option(WHISPER_NO_AVX512_VBMI "whisper: disable AVX512-VBMI" ON)
option(WHISPER_NO_AVX512_VNNI "whisper: disable AVX512-VNNI" ON)
option(WHISPER_NO_FMA "whisper: disable FMA" OFF)
option(WHISPER_NO_F16C "whisper: disable F16c" OFF)
option(WHISPER_OPENVINO "whisper: support for OpenVINO" OFF)
@ -464,16 +467,30 @@ else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /utf-8")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /utf-8")
if(NOT WHISPER_NO_AVX2)
if(NOT WHISPER_NO_AVX512)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX512")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /arch:AVX512")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /arch:AVX512")
# MSVC has no compile-time flags enabling specific
# AVX512 extensions, neither it defines the
# macros corresponding to the extensions.
# Do it manually.
if (NOT WHISPER_NO_AVX512_VBMI)
add_compile_definitions($<$<COMPILE_LANGUAGE:C>:__AVX512VBMI__>)
add_compile_definitions($<$<COMPILE_LANGUAGE:CXX>:__AVX512VBMI__>)
endif()
if (NOT WHISPER_NO_AVX512_VNNI)
add_compile_definitions($<$<COMPILE_LANGUAGE:C>:__AVX512VNNI__>)
add_compile_definitions($<$<COMPILE_LANGUAGE:CXX>:__AVX512VNNI__>)
endif()
elseif(NOT WHISPER_NO_AVX2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX2")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /arch:AVX2")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /arch:AVX2")
else()
if(NOT WHISPER_NO_AVX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /arch:AVX")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /arch:AVX")
endif()
elseif(NOT WHISPER_NO_AVX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /arch:AVX")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /arch:AVX")
endif()
else()
if (EMSCRIPTEN)
@ -486,6 +503,15 @@ else()
if(NOT WHISPER_NO_AVX2)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx2")
endif()
if(NOT WHISPER_NO_AVX512)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx512f -mavx512cd -mavx512vl -mavx512dq -mavx512bw")
endif()
if(NOT WHISPER_NO_AVX512_VBMI)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx512vbmi")
endif()
if(NOT WHISPER_NO_AVX512_VNNI)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx512vnni")
endif()
if(NOT WHISPER_NO_FMA)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfma")
endif()

18
Makefile
View File

@ -144,6 +144,24 @@ ifeq ($(UNAME_M),$(filter $(UNAME_M),x86_64 i686 amd64))
CXXFLAGS += -mavx2
endif
AVX512F_M := $(shell $(CPUINFO_CMD) | grep -iw 'AVX512F')
ifneq (,$(AVX512F_M))
CFLAGS += -mavx512f -mavx512cd -mavx512vl -mavx512dq -mavx512bw
CXXFLAGS += -mavx512f -mavx512cd -mavx512vl -mavx512dq -mavx512bw
endif
AVX512VNNI_M := $(shell $(CPUINFO_CMD) | grep -iwE 'AVX512_VNNI|AVX512VNNI')
ifneq (,$(AVX512VNNI_M))
CFLAGS += -mavx512vnni
CXXFLAGS += -mavx512vnni
endif
AVX512VBMI_M := $(shell $(CPUINFO_CMD) | grep -iw 'AVX512VBMI')
ifneq (,$(AVX512VBMI_M))
CFLAGS += -mavx512vbmi
CXXFLAGS += -mavx512vbmi
endif
FMA_M := $(shell $(CPUINFO_CMD) | grep -iw 'FMA')
ifneq (,$(FMA_M))
CFLAGS += -mfma