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RandomX: allocate 2 MB pages for generated code, if possible

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+0.2% boost on Ryzen 7 3700X
This commit is contained in:
SChernykh
2020-10-07 10:35:10 +02:00
parent ba47219185
commit a8466a139c
3 changed files with 22 additions and 3 deletions
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8
src/crypto/common/VirtualMemory_win.cpp
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@@ -164,7 +164,13 @@ bool xmrig::VirtualMemory::isOneGbPagesAvailable()
void *xmrig::VirtualMemory::allocateExecutableMemory(size_t size)
{
return VirtualAlloc(nullptr, size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
void* result = VirtualAlloc(nullptr, align(size), MEM_COMMIT | MEM_RESERVE | MEM_LARGE_PAGES, PAGE_EXECUTE_READWRITE);
if (!result) {
result = VirtualAlloc(nullptr, size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
}
return result;
}