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/*
Taken from samba/lib/talloc/testsuite.c: Unix SMB/CIFS implementation.
local testing of talloc routines.
Copyright (C) Andrew Tridgell 2004
** NOTE! The following LGPL license applies to the talloc
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <ccan/talloc/talloc.h>
#include <ccan/tal/tal.h>
#include <ccan/tal/str/str.h>
#include <ccan/time/time.h>
#include <ccan/err/err.h>
#include <string.h>
#define LOOPS 1024
int main(int argc, char *argv[])
{
void *ctx;
unsigned count;
int i, j;
struct timespec tv;
void *p1, *p2[100], *p3[100];
bool run_talloc = true, run_tal = true, run_malloc = true;
if (argv[1]) {
if (strcmp(argv[1], "--talloc") == 0)
run_tal = run_malloc = false;
else if (strcmp(argv[1], "--tal") == 0)
run_talloc = run_malloc = false;
else if (strcmp(argv[1], "--malloc") == 0)
run_talloc = run_tal = false;
else
errx(1, "Bad flag %s", argv[1]);
}
if (!run_talloc)
goto after_talloc;
ctx = talloc_new(NULL);
tv = time_now();
count = 0;
do {
for (i=0;i<LOOPS;i++) {
p1 = talloc_size(ctx, LOOPS % 128);
for (j = 0; j < 100; j++) {
p2[j] = talloc_strdup(p1, "foo bar");
p3[j] = talloc_size(p1, 300);
}
talloc_free(p1);
}
count += (1 + 200) * LOOPS;
} while (time_sub(time_now(), tv).tv_sec < 5);
fprintf(stderr, "talloc: %.0f ops/sec\n", count/5.0);
talloc_free(ctx);
after_talloc:
if (!run_tal)
goto after_tal;
ctx = tal(NULL, char);
tv = time_now();
count = 0;
do {
for (i=0;i<LOOPS;i++) {
p1 = tal_arr(ctx, char, LOOPS % 128);
for (j = 0; j < 100; j++) {
p2[j] = tal_strdup(p1, "foo bar");
p3[j] = tal_arr(p1, char, 300);
}
tal_free(p1);
}
count += (1 + 200) * LOOPS;
} while (time_sub(time_now(), tv).tv_sec < 5);
fprintf(stderr, "tal: %.0f ops/sec\n", count/5.0);
tal_free(ctx);
after_tal:
if (!run_malloc)
goto after_malloc;
tv = time_now();
count = 0;
do {
for (i=0;i<LOOPS;i++) {
p1 = malloc(LOOPS % 128);
for (j = 0; j < 100; j++) {
p2[j] = strdup("foo bar");
p3[j] = malloc(300);
}
for (j = 0; j < 100; j++) {
free(p2[j]);
free(p3[j]);
}
free(p1);
}
count += (1 + 200) * LOOPS;
} while (time_sub(time_now(), tv).tv_sec < 5);
fprintf(stderr, "malloc: %.0f ops/sec\n", count/5.0);
after_malloc:
printf("success: speed\n");
return 0;
}
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