diff options
Diffstat (limited to 'pjlib/src/pjlib-test/pool_perf.c')
| -rw-r--r-- | pjlib/src/pjlib-test/pool_perf.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/pjlib/src/pjlib-test/pool_perf.c b/pjlib/src/pjlib-test/pool_perf.c new file mode 100644 index 00000000..76e45606 --- /dev/null +++ b/pjlib/src/pjlib-test/pool_perf.c @@ -0,0 +1,134 @@ +/* $Header: /pjproject-0.3/pjlib/src/pjlib-test/pool_perf.c 2 10/14/05 12:26a Bennylp $ */
+/*
+ * $Log: /pjproject-0.3/pjlib/src/pjlib-test/pool_perf.c $
+ *
+ * 2 10/14/05 12:26a Bennylp
+ * Finished error code framework, some fixes in ioqueue, etc. Pretty
+ * major.
+ *
+ * 1 10/05/05 5:13p Bennylp
+ * Created.
+ *
+ */
+#include "test.h"
+
+#if INCLUDE_POOL_PERF_TEST
+
+#include <pjlib.h>
+#include <pj/compat/malloc.h>
+
+#if !PJ_HAS_HIGH_RES_TIMER
+# error Need high resolution timer for this test.
+#endif
+
+#define THIS_FILE "test"
+
+#define LOOP 10
+#define COUNT 1024
+static unsigned sizes[COUNT];
+#define MIN_SIZE 4
+#define MAX_SIZE 512
+static unsigned total_size;
+
+static int pool_test_pool()
+{
+ int i;
+ pj_pool_t *pool = pj_pool_create(mem, NULL, total_size + 4*COUNT, 0, NULL);
+ if (!pool)
+ return -1;
+
+ for (i=0; i<COUNT; ++i) {
+ char *p;
+ if ( (p=(char*)pj_pool_alloc(pool, sizes[i])) == NULL)
+ return -1;
+ *p = '\0';
+ }
+
+ pj_pool_release(pool);
+ return 0;
+}
+
+static int pool_test_malloc_free()
+{
+ char *p[COUNT];
+ int i;
+
+ for (i=0; i<COUNT; ++i) {
+ p[i] = (char*)malloc(sizes[i]);
+ if (!p[i]) {
+ // Don't care for memory leak in this test
+ return -1;
+ }
+ *p[i] = '\0';
+ }
+
+ for (i=0; i<COUNT; ++i) {
+ free(p[i]);
+ }
+
+ return 0;
+}
+
+int pool_perf_test()
+{
+ unsigned i;
+ pj_uint32_t pool_time=0, malloc_time=0, pool_time2=0;
+ pj_timestamp start, end;
+ pj_uint32_t best, worst;
+
+ // Initialize sizes.
+ for (i=0; i<COUNT; ++i) {
+ sizes[i] = MIN_SIZE + pj_rand() % MAX_SIZE;
+ total_size += sizes[i];
+ }
+
+ PJ_LOG(3, (THIS_FILE, "Benchmarking pool.."));
+
+ // Warmup
+ pool_test_pool();
+ pool_test_malloc_free();
+
+ for (i=0; i<LOOP; ++i) {
+ pj_get_timestamp(&start);
+ if (pool_test_pool()) {
+ return 1;
+ }
+ pj_get_timestamp(&end);
+ pool_time += (end.u32.lo - start.u32.lo);
+
+ pj_get_timestamp(&start);
+ if (pool_test_malloc_free()) {
+ return 2;
+ }
+ pj_get_timestamp(&end);
+ malloc_time += (end.u32.lo - start.u32.lo);
+
+ pj_get_timestamp(&start);
+ if (pool_test_pool()) {
+ return 4;
+ }
+ pj_get_timestamp(&end);
+ pool_time2 += (end.u32.lo - start.u32.lo);
+ }
+
+ PJ_LOG(4, (THIS_FILE, "..LOOP count: %u", LOOP));
+ PJ_LOG(4, (THIS_FILE, "..number of alloc/dealloc per loop: %u", COUNT));
+ PJ_LOG(4, (THIS_FILE, "..pool allocation/deallocation time: %u", pool_time));
+ PJ_LOG(4, (THIS_FILE, "..malloc/free time: %u", malloc_time));
+ PJ_LOG(4, (THIS_FILE, "..pool again, second invocation: %u", pool_time2));
+
+ if (pool_time2==0) pool_time2=1;
+ if (pool_time < pool_time2)
+ best = pool_time, worst = pool_time2;
+ else
+ best = pool_time2, worst = pool_time;
+
+ PJ_LOG(3, (THIS_FILE, "..malloc Speedup best=%dx, worst=%dx",
+ (int)(malloc_time/best),
+ (int)(malloc_time/worst)));
+ return 0;
+}
+
+
+#endif /* INCLUDE_POOL_PERF_TEST */
+
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