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source/Platform/x86/AVX2.cpp

+9-1
Original file line numberDiff line numberDiff line change
@@ -106,15 +106,23 @@ class AVX2Vector {
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inline uint16_t sum() const {
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__m256i sum256 = _mm256_sad_epu8(vector, _mm256_setzero_si256());
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__m128i sum128 = _mm_add_epi64(_mm256_extractf128_si256(sum256, 1), _mm256_castsi256_si128(sum256));
109-
uint16_t res32 = _mm_extract_epi32(sum128, 0) + _mm_extract_epi32(sum128, 1);
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/*
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uint16_t res32 = _mm_extract_epi32(sum128, 0) + _mm_extract_epi32(sum128, 1);
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uint16_t res32_2 = _mm_extract_epi32(sum128, 0) + _mm_extract_epi32(sum128, 2);
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uint16_t res64 = _mm_extract_epi64(sum128, 0) + _mm_extract_epi64(sum128, 1);
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if (res32 != res64) {
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std::cout << "uint16_t res32 = " << res32 << "\n";
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std::cout << "uint16_t res32_2 = " << res32_2 << "\n";
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std::cout << "uint16_t res64 = " << res64 << "\n";
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exit (1);
118+
} else if (res32_2 != res64) {
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std::cout << "uint16_t res32 = " << res32 << "\n";
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std::cout << "uint16_t res32_2 = " << res32_2 << "\n";
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std::cout << "uint16_t res64 = " << res64 << "\n";
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exit (1);
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}
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*/
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return _mm_extract_epi64(sum128, 0) + _mm_extract_epi64(sum128, 1);
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}

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