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Original file line number | Diff line number | Diff line change |
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INCLUDE(CheckCSourceRuns) | ||
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SET(AVX_CODE " | ||
#include <immintrin.h> | ||
int main() | ||
{ | ||
__m256 a; | ||
a = _mm256_set1_ps(0); | ||
return 0; | ||
} | ||
") | ||
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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; | ||
} | ||
") | ||
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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; | ||
} | ||
") | ||
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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; | ||
} | ||
") | ||
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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}) | ||
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IF(NOT ${type}_FOUND) | ||
SET(${type}_FOUND FALSE CACHE BOOL "${type} support") | ||
SET(${type}_FLAGS "" CACHE STRING "${type} flags") | ||
ENDIF() | ||
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MARK_AS_ADVANCED(${type}_FOUND ${type}_FLAGS) | ||
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ENDMACRO() | ||
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CHECK_SSE("AVX" " ;/arch:AVX") | ||
IF(NOT ${AVX_FOUND}) | ||
set(LLAMA_AVX OFF) | ||
ELSE() | ||
set(LLAMA_AVX ON) | ||
ENDIF() | ||
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CHECK_SSE("AVX2" " ;/arch:AVX2") | ||
IF(NOT ${AVX2_FOUND}) | ||
set(LLAMA_AVX2 OFF) | ||
ELSE() | ||
set(LLAMA_AVX2 ON) | ||
ENDIF() | ||
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CHECK_SSE("AVX512" " ;/arch:AVX512") | ||
IF(NOT ${AVX512_FOUND}) | ||
set(LLAMA_AVX512 OFF) | ||
ELSE() | ||
set(LLAMA_AVX512 ON) | ||
ENDIF() |