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/*
* perf_memcpy32_s.c
*/
#include "test_private.h"
#include "safe_mem_lib.h"
#include "perf_private.h"
#define LEN (1024 * 20)
uint32_t mem1[LEN];
uint32_t mem2[LEN];
uint16_t mem3[LEN];
uint16_t mem4[LEN];
static void timing_loop(uint32_t len, uint32_t loops) {
uint32_t i;
uint64_t clock_start;
uint64_t clock_end;
clock_t sl_clock_diff;
clock_t sd_clock_diff;
double sl_clock_dur;
double sd_clock_dur;
len = len * 2;
for (i = 0; i < LEN; i++) {
mem1[i] = 33;
}
for (i = 0; i < LEN; i++) {
mem2[i] = 44;
}
// printf("\n Timing %d byte copy, %u loops \n", len, loops);
/*
* Safe C Lib Routine
*/
clock_start = timer_start();
for (i = 0; i < loops; i++) {
(void)memcpy32_s(mem1, len, mem2, len);
}
clock_end = timer_end();
/*
* Note that background stuff continues to run, i.e. interrupts, so
* we need to compute average time per loop
*/
sl_clock_diff = (clock_end - clock_start) / loops;
/*
* Standard C Routine
*/
clock_start = timer_start();
for (i = 0; i < loops; i++) {
(void)memcpy16_s(mem3, len, mem4, len);
// memcpy(mem1, mem2, len);
}
clock_end = timer_end();
/*
* Note that background stuff continues to run, i.e. interrupts, so
* we need to compute average time per loop
*/
sd_clock_diff = (clock_end - clock_start) / loops;
/* convert to seconds */
sl_clock_dur = ((double)(sl_clock_diff) / CLOCKS_PER_SEC);
sd_clock_dur = ((double)(sd_clock_diff) / CLOCKS_PER_SEC);
printf("%"PRIu32" %"PRIu32" memcpy32_s %1.9f memcpy16_s %1.9f \n", loops, len,
sl_clock_dur, sd_clock_dur);
return;
}
int main(void) {
uint32_t loops;
rsize_t len;
/*--------------------------------------------------*/
printf("\n\n");
loops = 400;
len = 1024;
timing_loop(len, loops);
len = 1024 * 2;
timing_loop(len, loops);
len = 1024 * 3;
timing_loop(len, loops);
len = 1024 * 4;
timing_loop(len, loops);
len = 1024 * 5;
timing_loop(len, loops);
len = 1024 * 6;
timing_loop(len, loops);
len = 1024 * 7;
timing_loop(len, loops);
len = 1024 * 8;
timing_loop(len, loops);
/*--------------------------------------------------*/
printf("\n\n");
loops = 600;
len = 1024;
timing_loop(len, loops);
len = 1024 * 2;
timing_loop(len, loops);
len = 1024 * 3;
timing_loop(len, loops);
len = 1024 * 4;
timing_loop(len, loops);
len = 1024 * 5;
timing_loop(len, loops);
len = 1024 * 6;
timing_loop(len, loops);
len = 1024 * 7;
timing_loop(len, loops);
len = 1024 * 8;
timing_loop(len, loops);
/*--------------------------------------------------*/
printf("\n\n");
loops = 800;
len = 1024;
timing_loop(len, loops);
len = 1024 * 2;
timing_loop(len, loops);
len = 1024 * 3;
timing_loop(len, loops);
len = 1024 * 4;
timing_loop(len, loops);
len = 1024 * 5;
timing_loop(len, loops);
len = 1024 * 6;
timing_loop(len, loops);
len = 1024 * 7;
timing_loop(len, loops);
len = 1024 * 8;
timing_loop(len, loops);
/*--------------------------------------------------*/
/*--------------------------------------------------*/
return (0);
}
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