67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
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/* time ./zmalloc_test 60000 100000 1
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* примерно в 2 раза бьёт realloc
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* и в 5-6 раз бьёт std::string
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* Не оптимизировал пока что, потом будет ещё круче =)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "zmalloc.h"
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int main(int argc, char *argv[])
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{
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if (argc != 4) {
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fputs("Usage: realloc_speed_test_cpp iterations nobj maxsz\n", stderr);
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exit(-1);
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}
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size_t iterations = (size_t)atoi(argv[1]);
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size_t nobj = (size_t)atoi(argv[2]);
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size_t maxsz = (size_t)atoi(argv[3]);
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void **p = malloc(sizeof(void *) * nobj);
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memset(p, 0, sizeof(void *) * nobj);
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size_t i, idx, sz;
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for (i = 0; i < iterations; i++) {
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idx = (size_t)(rand() % (int)nobj);
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sz = i;//(size_t)(rand() % (int)maxsz);
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zrealloc(&p[idx], sz);
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if (sz && !p[idx]) {
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fprintf(stderr, "Alloc error at i = %lu\n", i);
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exit(-1);
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}
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}
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for (i = 0; i < nobj; i++)
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zfree(&p[i]);
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printf("Success, iterations = %lu, nobj = %lu, maxsz = %lu\n", iterations, nobj, maxsz);
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return EXIT_SUCCESS;
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//~
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//~ if (argc != 2) {
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//~ fputs("Usage: realloc_speed_test iterations\n", stderr);
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//~ exit(-1);
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//~ }
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//~
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//~ size_t n = (size_t)atoi(argv[1]);
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//~
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//~ size_t i;
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//~ void *m = NULL;
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//~ for (i = 1; i < n; i++) {
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//~ zrealloc(&m, i);
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//~ if (!m) {
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//~ fprintf(stderr, "Alloc error at i = %lu\n", i);
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//~ exit(-1);
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//~ }
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//~ }
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//~ zfree(m);
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//~
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//~ printf("Success, n = %lu\n", n);
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//~
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//~ return EXIT_SUCCESS;
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}
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