_mm256_cmpgt_epi64ADD TO COMPARE ADDED TO COMPARE
Intel 64-bit (64 bits)/ AVX2
View official documentation
View Félix Cloutier's documentation
Purpose:
Compare packed signed 64-bit integers in a and b for greater-than, and store the results in output.
Result:
__m256i
Example:
#include <immintrin.h>
#include <stdio.h>
int main() {
__m256i a = _mm256_set_epi64x(100000, -200000, 300000, 400000);
__m256i b = _mm256_set_epi64x(50000, -250000, 200000, 450000);
__m256i result = _mm256_cmpgt_epi64(a, b);
long long *res = (long long*)&result;
for(int i = 0; i < 4; i++)
printf("%lld ", res[i]);
return 0;
}Prototypes
Assembly Instruction:
vpcmpgtq
Usage:
__m256i result =
_mm256_cmpgt_epi64(
__m256i a, __m256i b
)
Performance Metrics:
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SIMD Intrinsics Summary
| SIMD Engines: | 6 |
| C Intrinsics: | 10444 |
| NEON: | 4353 |
| AVX2: | 405 |
| AVX512: | 4717 |
| SSE4.2: | 598 |
| VSX: | 192 |
| IBM-Z: | 179 |