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make large_heap_fragmentation_unittest not as painful on windows

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This commit is contained in:
Aliaksei Kandratsenka 2024-09-27 00:02:50 -04:00
parent 96e3eca05e
commit f01510ccf2
1 changed files with 11 additions and 1 deletions
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12
src/tests/large_heap_fragmentation_unittest.cc
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@ -45,7 +45,17 @@ TEST(LargeHeapFragmentationTest, Basic) {
// a big chunk of consecutive memory. Otherwise details of
// sys-allocator behavior may trigger fragmentation regardless of
// our mitigations.
tc_free(tc_malloc(550 << 20));
#ifndef _WIN32
static constexpr size_t kInitialAmt = 550 << 20;
#else
// FIXME: on windows it is quite painful due to syscalls that we do
// when returning memory to kernel whenever returned span touches
// more than one memory "reservation" area. So for now, lets reduce
// pain. And in the future lets make windows case fast.
static constexpr size_t kInitialAmt = 1000 << 20;
#endif
tc_free(tc_malloc(kInitialAmt));
MallocExtension::instance()->ReleaseFreeMemory();
for (int pass = 1; pass <= 3; pass++) {