jemalloc/test/stress/cpp/microbench.cpp

#include "test/jemalloc_test.h"
#include "test/bench.h"

static void
malloc_free(void) {
	void *p = malloc(1);
	expect_ptr_not_null((void *)p, "Unexpected malloc failure");
	p = no_opt_ptr(p);
	free((void *)p);
}

static void
new_delete(void) {
	void *p = ::operator new(1);
	expect_ptr_not_null((void *)p, "Unexpected new failure");
	p = no_opt_ptr(p);
	::operator delete((void *)p);
}

static void
malloc_free_array(void) {
	void *p = malloc(sizeof(int) * 8);
	expect_ptr_not_null((void *)p, "Unexpected malloc failure");
	p = no_opt_ptr(p);
	free((void *)p);
}

static void
new_delete_array(void) {
	int *p = new int[8];
	expect_ptr_not_null((void *)p, "Unexpected new[] failure");
	p = (int *)no_opt_ptr((void *)p);
	delete[] (int *)p;
}

#if __cpp_sized_deallocation >= 201309
static void
new_sized_delete(void) {
	void *p = ::operator new(1);
	expect_ptr_not_null((void *)p, "Unexpected new failure");
	p = no_opt_ptr(p);
	::operator delete((void *)p, 1);
}

static void
malloc_sdallocx(void) {
	void *p = malloc(1);
	expect_ptr_not_null((void *)p, "Unexpected malloc failure");
	p = no_opt_ptr(p);
	sdallocx((void *)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);
}