server-skynet-source-3rd-je.../test/stress/cpp/microbench.cpp
guangli-dai a74acb57e8 Fix dividing 0 error in stress/cpp/microbench
Summary:
Per issue #2356, some CXX compilers may optimize away the
new/delete operation in stress/cpp/microbench.cpp.
Thus, this commit (1) bumps the time interval to 1 if it is 0, and
(2) modifies the pointers in the microbench to volatile.
2022-12-06 10:46:14 -08:00

83 lines
1.9 KiB
C++

#include "test/jemalloc_test.h"
#include "test/bench.h"
static void
malloc_free(void) {
void* volatile p = malloc(1);
expect_ptr_not_null((void *)p, "Unexpected malloc failure");
free((void *)p);
}
static void
new_delete(void) {
void* volatile p = ::operator new(1);
expect_ptr_not_null((void *)p, "Unexpected new failure");
::operator delete((void *)p);
}
static void
malloc_free_array(void) {
void* volatile p = malloc(sizeof(int)*8);
expect_ptr_not_null((void *)p, "Unexpected malloc failure");
free((void *)p);
}
static void
new_delete_array(void) {
int* volatile p = new int[8];
expect_ptr_not_null((int *)p, "Unexpected new[] failure");
delete[] (int *)p;
}
#if __cpp_sized_deallocation >= 201309
static void
new_sized_delete(void) {
void* volatile p = ::operator new(1);
expect_ptr_not_null((void *)p, "Unexpected new failure");
::operator delete((void *)p, 1);
}
static void
malloc_sdallocx(void) {
void* volatile p = malloc(1);
expect_ptr_not_null((void *)p, "Unexpected malloc failure");
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);
}