server-skynet-source-3rd-je.../test/stress/cpp/microbench.cpp
guangli-dai 06374d2a6a Benchmark operator delete
Added the microbenchmark for operator delete.
Also modified bench.h so that it can be used in C++.
2022-11-21 11:14:05 -08:00

84 lines
1.8 KiB
C++

#include "test/jemalloc_test.h"
#include "test/bench.h"
static void
malloc_free(void) {
void *p = malloc(1);
expect_ptr_not_null(p, "Unexpected new failure");
free(p);
}
static void
new_delete(void) {
auto p = ::operator new(1);
expect_ptr_not_null(p, "Unexpected new failure");
::operator delete(p);
}
static void
malloc_free_array(void) {
void *p = malloc(sizeof(int)*8);
expect_ptr_not_null(p, "Unexpected new[] failure");
free(p);
}
static void
new_delete_array(void) {
auto p = new int[8];
expect_ptr_not_null(p, "Unexpected new[] failure");
delete[] p;
}
#if __cpp_sized_deallocation >= 201309
static void
new_sized_delete(void) {
auto p = ::operator new(1);
expect_ptr_not_null(p, "Unexpected new failure");
::operator delete(p, 1);
}
static void
malloc_sdallocx(void) {
void *p = malloc(1);
expect_ptr_not_null(p, "Unexpected new failure");
sdallocx(p, 1, 0);
}
#endif
TEST_BEGIN(test_free_vs_delete) {
compare_funcs(10*1000*1000, 100*1000*1000,
"malloc_free", (void *)malloc_free,
"new_delete", (void *)new_delete);
}
TEST_END
TEST_BEGIN(test_free_array_vs_delete_array) {
compare_funcs(10*1000*1000, 100*1000*1000,
"malloc_free_array", (void *)malloc_free_array,
"delete_array", (void *)new_delete_array);
}
TEST_END
TEST_BEGIN(test_sized_delete_vs_sdallocx) {
#if __cpp_sized_deallocation >= 201309
compare_funcs(10*1000*1000, 100*1000*1000,
"new_size_delete", (void *)new_sized_delete,
"malloc_sdallocx", (void *)malloc_sdallocx);
#else
malloc_printf("Skipping test_sized_delete_vs_sdallocx since \
sized deallocation is not enabled.\n");
#endif
}
TEST_END
int
main() {
return test_no_reentrancy(
test_free_vs_delete,
test_free_array_vs_delete_array,
test_sized_delete_vs_sdallocx);
}