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Small cleanups (march 2021)

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With help of @BM123499, @mstembera, @gvreuls, @noobpwnftw and @Fanael
Thanks!

Closes https://github.com/official-stockfish/Stockfish/pull/3405

No functional change
This commit is contained in:
Stéphane Nicolet
2021-03-19 19:43:25 +01:00
parent ec42154ef2
commit 83eac08e75
12 changed files with 107 additions and 81 deletions
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22
src/misc.cpp
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@@ -362,8 +362,12 @@ void std_aligned_free(void* ptr) {
/// aligned_large_pages_alloc() will return suitably aligned memory, if possible using large pages.
#if defined(_WIN32)
#if defined(_WIN64)
static void* aligned_large_pages_alloc_win(size_t allocSize) {
static void* aligned_large_pages_alloc_windows(size_t allocSize) {
#if !defined(_WIN64)
return nullptr;
#else
HANDLE hProcessToken { };
LUID luid { };
@@ -406,21 +410,18 @@ static void* aligned_large_pages_alloc_win(size_t allocSize) {
CloseHandle(hProcessToken);
return mem;
#endif
}
#endif
void* aligned_large_pages_alloc(size_t allocSize) {
#if defined(_WIN64)
// Try to allocate large pages
void* mem = aligned_large_pages_alloc_win(allocSize);
void* mem = aligned_large_pages_alloc_windows(allocSize);
// Fall back to regular, page aligned, allocation if necessary
if (!mem)
mem = VirtualAlloc(NULL, allocSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
#else
void* mem = VirtualAlloc(NULL, allocSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
#endif
return mem;
}
@@ -456,8 +457,9 @@ void aligned_large_pages_free(void* mem) {
if (mem && !VirtualFree(mem, 0, MEM_RELEASE))
{
DWORD err = GetLastError();
std::cerr << "Failed to free transposition table. Error code: 0x" <<
std::hex << err << std::dec << std::endl;
std::cerr << "Failed to free large page memory. Error code: 0x"
<< std::hex << err
<< std::dec << std::endl;
exit(EXIT_FAILURE);
}
}