vbatts/llama.cpp
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merge in https://github.com/howard0su/llama.cpp/tree/cmake

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netrunnereve 2023-11-02 20:43:54 -04:00
commit 51c99e467e
2 changed files with 104 additions and 1 deletions
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6
CMakeLists.txt
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@ -44,7 +44,7 @@ endif()
# general # general
option(LLAMA_STATIC "llama: static link libraries" OFF) option(LLAMA_STATIC "llama: static link libraries" OFF)
option(LLAMA_NATIVE "llama: enable -march=native flag" OFF) option(LLAMA_NATIVE "llama: enable -march=native flag" ON)
option(LLAMA_LTO "llama: enable link time optimization" OFF) option(LLAMA_LTO "llama: enable link time optimization" OFF)
# debug # debug
@ -100,6 +100,10 @@ option(LLAMA_BUILD_TESTS "llama: build tests" ${LLAMA_STANDALO
option(LLAMA_BUILD_EXAMPLES "llama: build examples" ${LLAMA_STANDALONE}) option(LLAMA_BUILD_EXAMPLES "llama: build examples" ${LLAMA_STANDALONE})
option(LLAMA_BUILD_SERVER "llama: build server example" ON) option(LLAMA_BUILD_SERVER "llama: build server example" ON)
IF(LLAMA_NATIVE)
include(cmake/FindSIMD.cmake)
ENDIF()
# #
# Compile flags # Compile flags
# #

99
cmake/FindSIMD.cmake Normal file
View file

@ -0,0 +1,99 @@
INCLUDE(CheckCSourceRuns)
SET(AVX_CODE "
#include <immintrin.h>
int main()
{
__m256 a;
a = _mm256_set1_ps(0);
return 0;
}
")
SET(AVX512_CODE "
#include <immintrin.h>
int main()
{
__m512i a = _mm512_set_epi8(0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0);
__m512i b = a;
__mmask64 equality_mask = _mm512_cmp_epi8_mask(a, b, _MM_CMPINT_EQ);
return 0;
}
")
SET(AVX2_CODE "
#include <immintrin.h>
int main()
{
__m256i a = {0};
a = _mm256_abs_epi16(a);
__m256i x;
_mm256_extract_epi64(x, 0); // we rely on this in our AVX2 code
return 0;
}
")
SET(FMA_CODE "
#include <immintrin.h>
int main()
{
__m256 acc = _mm256_setzero_ps();
const __m256 d = _mm256_setzero_ps();
const __m256 p = _mm256_setzero_ps();
acc = _mm256_fmadd_ps( d, p, acc );
return 0;
}
")
MACRO(CHECK_SSE type flags)
SET(__FLAG_I 1)
SET(CMAKE_REQUIRED_FLAGS_SAVE ${CMAKE_REQUIRED_FLAGS})
FOREACH(__FLAG ${flags})
IF(NOT ${type}_FOUND)
SET(CMAKE_REQUIRED_FLAGS ${__FLAG})
CHECK_C_SOURCE_RUNS("${${type}_CODE}" HAS_${type}_${__FLAG_I})
IF(HAS_${type}_${__FLAG_I})
SET(${type}_FOUND TRUE CACHE BOOL "${type} support")
SET(${type}_FLAGS "${__FLAG}" CACHE STRING "${type} flags")
ENDIF()
MATH(EXPR __FLAG_I "${__FLAG_I}+1")
ENDIF()
ENDFOREACH()
SET(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS_SAVE})
IF(NOT ${type}_FOUND)
SET(${type}_FOUND FALSE CACHE BOOL "${type} support")
SET(${type}_FLAGS "" CACHE STRING "${type} flags")
ENDIF()
MARK_AS_ADVANCED(${type}_FOUND ${type}_FLAGS)
ENDMACRO()
CHECK_SSE("AVX" " ;/arch:AVX")
IF(NOT ${AVX_FOUND})
set(LLAMA_AVX OFF)
ELSE()
set(LLAMA_AVX ON)
ENDIF()
CHECK_SSE("AVX2" " ;/arch:AVX2")
IF(NOT ${AVX2_FOUND})
set(LLAMA_AVX2 OFF)
ELSE()
set(LLAMA_AVX2 ON)
ENDIF()
CHECK_SSE("AVX512" " ;/arch:AVX512")
IF(NOT ${AVX512_FOUND})
set(LLAMA_AVX512 OFF)
ELSE()
set(LLAMA_AVX512 ON)
ENDIF()