diff options
author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
---|---|---|
committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /memory/jemalloc/src/test/stress/microbench.c | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip |
Add m-esr52 at 52.6.0
Diffstat (limited to 'memory/jemalloc/src/test/stress/microbench.c')
-rw-r--r-- | memory/jemalloc/src/test/stress/microbench.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/memory/jemalloc/src/test/stress/microbench.c b/memory/jemalloc/src/test/stress/microbench.c new file mode 100644 index 000000000..7dc45f89c --- /dev/null +++ b/memory/jemalloc/src/test/stress/microbench.c @@ -0,0 +1,182 @@ +#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)); +} |