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Move loading of simd word to outside of inner loop #16

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Merged
merged 1 commit into from
Nov 13, 2018
Merged

Move loading of simd word to outside of inner loop #16

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21 changes: 8 additions & 13 deletions cbits/simd_avx2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -66,21 +66,16 @@ void avx2_cmpeq8_para(
for (i = 0; i < targets_length * 2; ++i) {
size_t j;

for (j = 0; j < bytes_length; ++j) {
uint8_t *target = targets[j];

uint32_t *target32 = (uint32_t *)target;

uint8_t byte = bytes[j];

__m256i v_comparand = _mm256_set1_epi8(byte);

uint32_t *out_mask = (uint32_t*)target;
__m256i v_data_a = *(__m256i *)(source + (i * 32));

__m256i v_data_a = *(__m256i *)(source + (i * 32));
for (j = 0; j < bytes_length; ++j) {
uint8_t *target = targets[j];
uint32_t *target32 = (uint32_t *)target;
__m256i v_comparand = _mm256_set1_epi8(bytes[j]);
uint32_t *out_mask = (uint32_t*)target;
__m256i v_results_a = _mm256_cmpeq_epi8(v_data_a, v_comparand);
uint32_t mask = (uint32_t)_mm256_movemask_epi8(v_results_a);
target32[i] = mask;
uint32_t mask = (uint32_t)_mm256_movemask_epi8(v_results_a);
target32[i] = mask;
}
}
#endif
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