36 lines
849 B
C
36 lines
849 B
C
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#include <time.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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const int GIG = 1024*1024*1024;
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int main(void) {
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printf("Hello World\n");
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clock_t start_malloc = clock();
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int* x = malloc(GIG);
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memset(x, 1, GIG);
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clock_t end_malloc = clock();
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printf("Malloc+Memset = %ld\n", end_malloc-start_malloc);
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clock_t free_start_malloc = clock();
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free(x);
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clock_t free_end_malloc = clock();
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printf("Free = %ld\n", free_end_malloc-free_start_malloc);
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clock_t start_calloc = clock();
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int* y = calloc(1, GIG);
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clock_t end_calloc = clock();
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printf("Calloc = %ld\n", end_calloc-start_calloc);
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clock_t free_start_calloc = clock();
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free(y);
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clock_t free_end_calloc = clock();
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printf("Free = %ld\n", free_end_calloc-free_start_calloc);
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}
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