rpuzonas/repetition-testing
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add write bytes backward test

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This commit is contained in:
Rokas Puzonas 2024-02-15 20:05:04 +02:00
parent da9af2ff49
commit ba3d3cabcb
3 changed files with 44 additions and 1 deletions
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3
src/main.c
View File

@ -12,6 +12,7 @@
#include "main_write_bytes_asm.c"
#include "main_write_all_bytes.c"
#include "main_malloc_read.c"
#include "main_write_backward.c"
int main(int argc, char **argv) {
if (argc < 2) {
@ -25,6 +26,8 @@ int main(int argc, char **argv) {
return main_test_write_bytes_asm();
} else if (!strncmp(test_name, "write_all_bytes", sizeof("write_bytes"))) {
return main_test_write_all_bytes();
} else if (!strncmp(test_name, "write_backward", sizeof("write_backward"))) {
return main_test_write_backward();
} else if (!strncmp(test_name, "read_file", sizeof("read_file"))) {
if (argc < 3) {
printf("Usage: %s read_file <filename>\n", argv[0]);

1
src/main_write_all_bytes.c
View File

@ -20,7 +20,6 @@ static void test_write_to_all_bytes(struct repetitor *repetitor, uint8_t *buffer
}
int main_test_write_all_bytes() {
struct repetitor repetitor = {};
repetitor_init(&repetitor);
printf("CPU Frequency: %ldHz (~%.2fGHz)\n", repetitor.cpu_freq, (float)repetitor.cpu_freq/(1000*1000*1000));

41
src/main_write_backward.c Normal file
View File

@ -0,0 +1,41 @@
#include "repetition_tester.c"
int main_test_write_backward() {
struct repetitor repetitor = {};
repetitor_init(&repetitor);
printf("CPU Frequency: %ldHz (~%.2fGHz)\n", repetitor.cpu_freq, (float)repetitor.cpu_freq/(1000*1000*1000));
uint64_t byte_count = 4096 * (1024 * 8);
while (repeat_cycle_times(&repetitor, 3)) {
repetitor_clear(&repetitor);
while (repetitor_repeat(&repetitor, 2)) {
repetitor_start(&repetitor);
uint8_t *buffer = malloc(sizeof(uint8_t) * byte_count);
repetitor_measure_start(&repetitor);
for (int i = 0; i < byte_count; i++) {
buffer[i] = (uint8_t)i;
}
repetitor_measure_stop(&repetitor, byte_count);
free(buffer);
repetitor_stop(&repetitor);
}
repetitor_print_results_label(&repetitor, "write forward");
repetitor_clear(&repetitor);
while (repetitor_repeat(&repetitor, 2)) {
repetitor_start(&repetitor);
uint8_t *buffer = malloc(sizeof(uint8_t) * byte_count);
repetitor_measure_start(&repetitor);
for (int i = 0; i < byte_count; i++) {
buffer[byte_count - i - 1] = (uint8_t)i;
}
repetitor_measure_stop(&repetitor, byte_count);
free(buffer);
repetitor_stop(&repetitor);
}
repetitor_print_results_label(&repetitor, "write backward");
}
return 0;
}