hawk/t/t-008.c
2025-06-14 23:16:45 +09:00

79 lines
1.9 KiB
C

#include <hawk-xma.h>
#include <hawk-std.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "tap.h"
#define NUM_ITERATIONS 1000000
#define MIN_ALLOC_SIZE 16 // Minimum size of allocation in bytes
#define MAX_ALLOC_SIZE 1024 // Maximum size of allocation in bytes
#define OK_X(test) OK(test, #test)
size_t random_size()
{
return MIN_ALLOC_SIZE + rand() % (MAX_ALLOC_SIZE - MIN_ALLOC_SIZE + 1);
}
int main()
{
int test_bad = 0;
hawk_mmgr_t xma_mmgr;
no_plan();
hawk_init_xma_mmgr(&xma_mmgr, NUM_ITERATIONS * MAX_ALLOC_SIZE);
srand((unsigned int)time(NULL)); // Seed RNG
clock_t start_time, end_time;
double malloc_time = 0.0, free_time = 0.0;
void **ptr_array = malloc(NUM_ITERATIONS * sizeof(void *));
OK_X (ptr_array != NULL);
if (!ptr_array) {
fprintf(stderr, "malloc failed for pointer array\n");
return -1;
}
// Benchmark malloc
start_time = clock();
for (size_t i = 0; i < NUM_ITERATIONS; ++i) {
size_t size = random_size();
/*ptr_array[i] = malloc(size);*/
ptr_array[i] = HAWK_MMGR_ALLOC(&xma_mmgr, size);
if (!ptr_array[i]) {
fprintf(stderr, "malloc failed at iteration %zu\n", i);
test_bad = 1;
break;
}
}
OK_X (test_bad == 0);
if (test_bad) return -1;
end_time = clock();
malloc_time = (double)(end_time - start_time) / CLOCKS_PER_SEC;
// Benchmark free
start_time = clock();
for (size_t i = 0; i < NUM_ITERATIONS; ++i) {
/*free(ptr_array[i]);*/
HAWK_MMGR_FREE(&xma_mmgr, ptr_array[i]);
}
end_time = clock();
free_time = (double)(end_time - start_time) / CLOCKS_PER_SEC;
free(ptr_array); // Free the pointer array itself
printf("Performed %d allocations and frees\n", NUM_ITERATIONS);
printf("Total malloc time: %.6f seconds\n", malloc_time);
printf("Total free time : %.6f seconds\n", free_time);
printf("Average malloc time: %.9f seconds\n", malloc_time / NUM_ITERATIONS);
printf("Average free time : %.9f seconds\n", free_time / NUM_ITERATIONS);
return exit_status();
}