__lasx_xvmod_b
LASX intrinsic · group: Integer Computation
Synopsis
__m256i __lasx_xvmod_b (__m256i a, __m256i b)
#include <lasxintrin.h>
Instruction: xvmod.b xr, xr, xr
CPU Flags: LASX
Description
Compute the remainder of each signed 8-bit element in a divided by the corresponding element in b.
Operation
for (int i = 0; i < 32; i++) {
dst.byte[i] = (b.byte[i] == 0) ? 0 : ((s8)a.byte[i] % (s8)b.byte[i]);
}
Tested on real machine.
Latency and Throughput
| CPU | µarch | Latency | Throughput (IPC) |
|---|---|---|---|
| 3C5000 | LA464 | 29, 33 | 0.05(1/21.5) |
| 3A6000 | LA664 | 29, 41 | 0.06(1/15.5) |
| 3C6000 | LA664 | 29 | 0.07(1/13.5) |