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numpy
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distutils
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Editing: cpu_avx512_cnl.c
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#if defined(DETECT_FEATURES) && defined(__INTEL_COMPILER) /* * Unlike GCC and CLANG, Intel Compiler exposes all supported intrinsics, * whether or not the build options for those features are specified. * Therefore, we must test #definitions of CPU features when option native/host * is enabled via `--cpu-baseline` or through env var `CFLAGS` otherwise * the test will be broken and leads to enable all possible features. */ #if !defined(__AVX512VBMI__) || !defined(__AVX512IFMA__) #error "HOST/ARCH doesn't support CannonLake AVX512 features" #endif #endif #include <immintrin.h> int main(int argc, char **argv) { __m512i a = _mm512_loadu_si512((const __m512i*)argv[argc-1]); /* IFMA */ a = _mm512_madd52hi_epu64(a, a, _mm512_setzero_si512()); /* VMBI */ a = _mm512_permutex2var_epi8(a, _mm512_setzero_si512(), a); return _mm_cvtsi128_si32(_mm512_castsi512_si128(a)); }
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