diff options
Diffstat (limited to 'src/examples/memslice-bench/memslice-bench.c')
| -rw-r--r-- | src/examples/memslice-bench/memslice-bench.c | 56 |
1 files changed, 32 insertions, 24 deletions
diff --git a/src/examples/memslice-bench/memslice-bench.c b/src/examples/memslice-bench/memslice-bench.c index 3fb05d5..3ed95fc 100644 --- a/src/examples/memslice-bench/memslice-bench.c +++ b/src/examples/memslice-bench/memslice-bench.c @@ -18,15 +18,17 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#define timersub(tvp, uvp, vvp) \ - do { \ - (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ - (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ - if ((vvp)->tv_usec < 0) { \ - (vvp)->tv_sec--; \ - (vvp)->tv_usec += 1000000; \ - } \ - } while (0) +#define timersub(tvp, uvp, vvp) \ + do \ + { \ + (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ + (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ + if ((vvp)->tv_usec < 0) \ + { \ + (vvp)->tv_sec--; \ + (vvp)->tv_usec += 1000000; \ + } \ + } while (0) #include <mowgli.h> @@ -37,10 +39,11 @@ int main(int argc, char *argv[]) { size_t i; + size_t objects; size_t *obj_sizes; void **ptrs; - struct timeval ts, te; + struct timeval ts, te; mowgli_thread_set_policy(MOWGLI_THREAD_POLICY_DISABLED); @@ -66,52 +69,57 @@ main(int argc, char *argv[]) printf("Going to allocate %zu objects of random sizes < 256\n", objects); printf("Assigning sizes...\n"); - for (i = 0; i < objects; i++) { + + for (i = 0; i < objects; i++) obj_sizes[i] = rand() % 256; - } + printf("Done! Lets benchmark.\n"); /* allocate using sysmalloc */ gettimeofday(&ts, NULL); - for (i = 0; i < objects; i++) { + + for (i = 0; i < objects; i++) ptrs[i] = mowgli_alloc_using_policy(sysmalloc, obj_sizes[i]); - } + gettimeofday(&te, NULL); timersub(&te, &ts, &ts); printf("sysmalloc alloc time: %ld usec\n", - ts.tv_sec * 1000000L + ts.tv_usec); + ts.tv_sec * 1000000L + ts.tv_usec); gettimeofday(&ts, NULL); - for (i = 0; i < objects; i++) { + + for (i = 0; i < objects; i++) mowgli_free(ptrs[i]); - } + gettimeofday(&te, NULL); timersub(&te, &ts, &ts); printf("sysmalloc free time: %ld usec\n", - ts.tv_sec * 1000000L + ts.tv_usec); + ts.tv_sec * 1000000L + ts.tv_usec); /* allocate using memslice */ gettimeofday(&ts, NULL); - for (i = 0; i < objects; i++) { + + for (i = 0; i < objects; i++) ptrs[i] = mowgli_alloc_using_policy(memslice, obj_sizes[i]); - } + gettimeofday(&te, NULL); timersub(&te, &ts, &ts); printf("memslice alloc time: %ld usec\n", - ts.tv_sec * 1000000L + ts.tv_usec); + ts.tv_sec * 1000000L + ts.tv_usec); gettimeofday(&ts, NULL); - for (i = 0; i < objects; i++) { + + for (i = 0; i < objects; i++) mowgli_free(ptrs[i]); - } + gettimeofday(&te, NULL); timersub(&te, &ts, &ts); printf("memslice free time: %ld usec\n", - ts.tv_sec * 1000000L + ts.tv_usec); + ts.tv_sec * 1000000L + ts.tv_usec); return EXIT_SUCCESS; } |