romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-08-25 16:43:33 +03:00
Code Issues Projects Releases Packages Wiki Activity

Add a benchmark of large allocations.

Browse source
This commit is contained in:
David Goldblatt 2020-04-28 12:18:36 -07:00 • committed by David Goldblatt
parent 46471ea327
commit 2c09d43494
4 changed files with 74 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

33
test/stress/large_microbench.c Normal file
View file

@ -0,0 +1,33 @@
#include "test/jemalloc_test.h"
#include "test/bench.h"
static void
large_mallocx_free(void) {
/*
* We go a bit larger than the large minclass on its own to better
* expose costs from things like zeroing.
*/
void *p = mallocx(SC_LARGE_MINCLASS, MALLOCX_TCACHE_NONE);
assert_ptr_not_null(p, "mallocx shouldn't fail");
free(p);
}
static void
small_mallocx_free(void) {
void *p = mallocx(16, 0);
assert_ptr_not_null(p, "mallocx shouldn't fail");
free(p);
}
TEST_BEGIN(test_large_vs_small) {
compare_funcs(100*1000, 1*1000*1000, "large mallocx",
large_mallocx_free, "small mallocx", small_mallocx_free);
}
TEST_END
int
main(void) {
return test_no_reentrancy(
test_large_vs_small);
}