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reduce set of nallocx size testing points 

Testing every 7th size is a bit slow on slower machines. No need to be
as thorough. We now bump by about 1/128th each step which is still
more steps than size classes we have.
This commit is contained in:
Aliaksey Kandratsenka 2023-09-10 22:18:51 -04:00
parent e4e7ba93a0
commit 4ec8c9dbb2
1 changed files with 17 additions and 2 deletions
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19
src/tests/tcmalloc_unittest.cc
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@ -1118,8 +1118,23 @@ static void check_global_nallocx() { CHECK_GT(nallocx(99, 0), 99); }
#endif // __GNUC__
static size_t GrowNallocxTestSize(size_t sz) {
if (sz < 1024) {
return sz + 7;
}
size_t divided = sz >> 7;
divided |= (divided >> 1);
divided |= (divided >> 2);
divided |= (divided >> 4);
divided |= (divided >> 8);
divided |= (divided >> 16);
divided += 1;
return sz + divided;
}
static void TestNAllocX() {
for (size_t size = 0; size <= (1 << 20); size += 7) {
for (size_t size = 0; size <= (1 << 20); size = GrowNallocxTestSize(size)) {
size_t rounded = nallocx(size, 0);
ASSERT_GE(rounded, size);
void* ptr = malloc(size);
@ -1129,7 +1144,7 @@ static void TestNAllocX() {
}
static void TestNAllocXAlignment() {
for (size_t size = 0; size <= (1 << 20); size += 7) {
for (size_t size = 0; size <= (1 << 20); size = GrowNallocxTestSize(size)) {
for (size_t align = 0; align < 10; align++) {
size_t rounded = nallocx(size, MALLOCX_LG_ALIGN(align));
ASSERT_GE(rounded, size);