Update sum function AVX

nicodr97 · nicodr97 · commit 88376259358a · 2024-02-22T14:56:02.000+01:00
diff --git a/source/Platform/x86/AVX2.cpp b/source/Platform/x86/AVX2.cpp
@@ -112,7 +112,7 @@ class AVX2Vector {
   inline uint16_t sum() const {
     __m256i sum256 = _mm256_sad_epu8(vector, _mm256_setzero_si256());
     __m128i sum128 = _mm_add_epi64(_mm256_extractf128_si256(sum256, 1), _mm256_castsi256_si128(sum256));
-    return _mm_extract_epi32(sum128, 0) + _mm_extract_epi32(sum128, 1)+ _mm_extract_epi32(sum128, 2) + _mm_extract_epi32(sum128, 3);
+    return _mm_extract_epi32(sum128, 0) + _mm_extract_epi32(sum128, 2);
   }
 #endif
 

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,7 @@ class AVX2Vector {`
`112`	`112`	`inline uint16_t sum() const {`
`113`	`113`	`__m256i sum256 = _mm256_sad_epu8(vector, _mm256_setzero_si256());`
`114`	`114`	`__m128i sum128 = _mm_add_epi64(_mm256_extractf128_si256(sum256, 1), _mm256_castsi256_si128(sum256));`
`115`		`- return _mm_extract_epi32(sum128, 0) + _mm_extract_epi32(sum128, 1)+ _mm_extract_epi32(sum128, 2) + _mm_extract_epi32(sum128, 3);`
	`115`	`+ return _mm_extract_epi32(sum128, 0) + _mm_extract_epi32(sum128, 2);`
`116`	`116`	`}`
`117`	`117`	`#endif`
`118`	`118`