summaryrefslogtreecommitdiffstats
path: root/memory/jemalloc/src/test/stress/microbench.c
diff options
context:
space:
mode:
Diffstat (limited to 'memory/jemalloc/src/test/stress/microbench.c')
-rw-r--r--memory/jemalloc/src/test/stress/microbench.c182
1 files changed, 0 insertions, 182 deletions
diff --git a/memory/jemalloc/src/test/stress/microbench.c b/memory/jemalloc/src/test/stress/microbench.c
deleted file mode 100644
index 7dc45f89c..000000000
--- a/memory/jemalloc/src/test/stress/microbench.c
+++ /dev/null
@@ -1,182 +0,0 @@
-#include "test/jemalloc_test.h"
-
-JEMALLOC_INLINE_C void
-time_func(timedelta_t *timer, uint64_t nwarmup, uint64_t niter,
- void (*func)(void))
-{
- uint64_t i;
-
- for (i = 0; i < nwarmup; i++)
- func();
- timer_start(timer);
- for (i = 0; i < niter; i++)
- func();
- timer_stop(timer);
-}
-
-void
-compare_funcs(uint64_t nwarmup, uint64_t niter, const char *name_a,
- void (*func_a), const char *name_b, void (*func_b))
-{
- timedelta_t timer_a, timer_b;
- char ratio_buf[6];
- void *p;
-
- p = mallocx(1, 0);
- if (p == NULL) {
- test_fail("Unexpected mallocx() failure");
- return;
- }
-
- time_func(&timer_a, nwarmup, niter, func_a);
- time_func(&timer_b, nwarmup, niter, func_b);
-
- timer_ratio(&timer_a, &timer_b, ratio_buf, sizeof(ratio_buf));
- malloc_printf("%"FMTu64" iterations, %s=%"FMTu64"us, "
- "%s=%"FMTu64"us, ratio=1:%s\n",
- niter, name_a, timer_usec(&timer_a), name_b, timer_usec(&timer_b),
- ratio_buf);
-
- dallocx(p, 0);
-}
-
-static void
-malloc_free(void)
-{
- /* The compiler can optimize away free(malloc(1))! */
- void *p = malloc(1);
- if (p == NULL) {
- test_fail("Unexpected malloc() failure");
- return;
- }
- free(p);
-}
-
-static void
-mallocx_free(void)
-{
- void *p = mallocx(1, 0);
- if (p == NULL) {
- test_fail("Unexpected mallocx() failure");
- return;
- }
- free(p);
-}
-
-TEST_BEGIN(test_malloc_vs_mallocx)
-{
-
- compare_funcs(10*1000*1000, 100*1000*1000, "malloc",
- malloc_free, "mallocx", mallocx_free);
-}
-TEST_END
-
-static void
-malloc_dallocx(void)
-{
- void *p = malloc(1);
- if (p == NULL) {
- test_fail("Unexpected malloc() failure");
- return;
- }
- dallocx(p, 0);
-}
-
-static void
-malloc_sdallocx(void)
-{
- void *p = malloc(1);
- if (p == NULL) {
- test_fail("Unexpected malloc() failure");
- return;
- }
- sdallocx(p, 1, 0);
-}
-
-TEST_BEGIN(test_free_vs_dallocx)
-{
-
- compare_funcs(10*1000*1000, 100*1000*1000, "free", malloc_free,
- "dallocx", malloc_dallocx);
-}
-TEST_END
-
-TEST_BEGIN(test_dallocx_vs_sdallocx)
-{
-
- compare_funcs(10*1000*1000, 100*1000*1000, "dallocx", malloc_dallocx,
- "sdallocx", malloc_sdallocx);
-}
-TEST_END
-
-static void
-malloc_mus_free(void)
-{
- void *p;
-
- p = malloc(1);
- if (p == NULL) {
- test_fail("Unexpected malloc() failure");
- return;
- }
- malloc_usable_size(p);
- free(p);
-}
-
-static void
-malloc_sallocx_free(void)
-{
- void *p;
-
- p = malloc(1);
- if (p == NULL) {
- test_fail("Unexpected malloc() failure");
- return;
- }
- if (sallocx(p, 0) < 1)
- test_fail("Unexpected sallocx() failure");
- free(p);
-}
-
-TEST_BEGIN(test_mus_vs_sallocx)
-{
-
- compare_funcs(10*1000*1000, 100*1000*1000, "malloc_usable_size",
- malloc_mus_free, "sallocx", malloc_sallocx_free);
-}
-TEST_END
-
-static void
-malloc_nallocx_free(void)
-{
- void *p;
-
- p = malloc(1);
- if (p == NULL) {
- test_fail("Unexpected malloc() failure");
- return;
- }
- if (nallocx(1, 0) < 1)
- test_fail("Unexpected nallocx() failure");
- free(p);
-}
-
-TEST_BEGIN(test_sallocx_vs_nallocx)
-{
-
- compare_funcs(10*1000*1000, 100*1000*1000, "sallocx",
- malloc_sallocx_free, "nallocx", malloc_nallocx_free);
-}
-TEST_END
-
-int
-main(void)
-{
-
- return (test(
- test_malloc_vs_mallocx,
- test_free_vs_dallocx,
- test_dallocx_vs_sdallocx,
- test_mus_vs_sallocx,
- test_sallocx_vs_nallocx));
-}