_mm_abs_epi8ADD TO COMPARE ADDED TO COMPARE
Intel 64-bit (64 bits)/ SSE4.2
View official documentation
Purpose:
Compute the absolute value of packed signed 8-bit integers in a, and store the unsigned results in output.
Result:
A 128-bit vector of 16 x 8-bit signed integers that hold the absolute values of the input elements.
Example:
#include <tmmintrin.h>
#include <stdio.h>
int main() {
__m128i a = _mm_set_epi8(-1, 2, -3, 4, -5, 6, -7, 8, -9, 10, -11, 12, -13, 14, -15, 16);
__m128i d = _mm_abs_epi8(a);
int8_t result_data[16];
_mm_storeu_si128((__m128i*)result_data, d);
for (int i = 0; i < 16; i++) {
printf("%d ", result_data[i]);
}
printf("\n");
return 0;
}Prototypes
Assembly Instruction:
vpabsb
Usage:
__m128i result =
_mm_abs_epi8(
__m128i a
)
Performance Metrics:
📊 Unlock Performance Insights
Get access to detailed performance metrics including latency, throughput, and CPU-specific benchmarks for this intrinsic.
SIMD Intrinsics Summary
| SIMD Engines: | 6 |
| C Intrinsics: | 10444 |
| NEON: | 4353 |
| AVX2: | 405 |
| AVX512: | 4717 |
| SSE4.2: | 598 |
| VSX: | 192 |
| IBM-Z: | 179 |