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load.c
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load.c
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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <time.h>
int main (int argc, char *argv) {
int SIZE_IN = 0x1FFF0000 , i=0, j= SIZE_IN-1, index=0;
#if defined(ALIGNED)
uint8_t *in_byte = (uint8_t*)malloc(sizeof(uint8_t)*SIZE_IN+16);
if (in_byte == NULL) return 0;
while(1) {
if(((int64_t) &(in_byte[i]) & 0xf) == 0) break;
i++;
}
uint8_t *ptr_first = (uint8_t*)&(in_byte[i]);
#else
uint8_t *in_byte = (uint8_t*)malloc(sizeof(uint8_t)*SIZE_IN+16);
if (in_byte == NULL) return 0;
while(1) {
if(((int64_t) &(in_byte[i]) & 0xf) == 8) break;
i++;
}
uint8_t *ptr_first = (uint8_t*)&(in_byte[i]);
#endif
for (int k = 0; k < SIZE_IN; k++) in_byte[k] = k;
for (int SIZE = 16; SIZE < SIZE_IN; SIZE = SIZE + 16*100000) {
clock_t t;
t = clock();
#if defined(LXVD2X)
asm volatile (
"li %[index],0\n\t"
"LOOP:\n\t"
"lxvd2x 32,%[index],%[in]\n\t"
"xxswapd 32,32\n\t"
"vadduwm 0,0,0\n\t"
"addi %[index],%[index],16\n\t"
"cmpw %[index],%[SIZE]\n\t"
"ble LOOP\n\t"
:
[index] "=&b" (index)
:
[in] "b" (ptr_first),
[SIZE] "b" (SIZE)
:
"memory","v0"
);
#else
asm volatile (
"li %[index],0\n\t"
"lvx 0, %[index], %[in]\n\t"
"lvsr 3, %[index], %[in]\n\t"
"LOOP:\n\t"
"lvx 1,%[index],%[in]\n\t"
"vperm 2,0, 1,3\n\t"
"vmr 0,1\n\t"
"vadduwm 2,2,2\n\t"
"addi %[index],%[index],16\n\t"
"cmpw %[index],%[SIZE]\n\t"
"ble LOOP\n\t"
:
[index] "=&b" (index)
:
[in] "b" (ptr_first),
[SIZE] "b" (SIZE)
:
"memory","v0","v1","v2","v3"
);
#endif
t = clock() - t;
double time_taken = ((double)t)/CLOCKS_PER_SEC; // in seconds
printf("%d %f\n", SIZE, time_taken);
}
return 0;
}