HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-25 11:36:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'master' of github.com:official-stockfish/Stockfish into nnue-player-merge-2020-08-28

Browse Source 
# Conflicts:
#	README.md
#	src/Makefile
#	src/search.cpp
#	src/types.h
#	src/uci.cpp
#	src/ucioption.cpp
This commit is contained in:
nodchip
2020-08-28 11:26:11 +09:00
parent 5637996f79 242a7d9fea
commit 906c18eb46
35 changed files with 954 additions and 768 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
src/misc.cpp
View File

@@ -51,6 +51,11 @@ typedef bool(*fun3_t)(HANDLE, CONST GROUP_AFFINITY*, PGROUP_AFFINITY);
#include <sys/mman.h>
#endif
#if defined(__APPLE__) || defined(__ANDROID__) || defined(__OpenBSD__) || (defined(__GLIBCXX__) && !defined(_GLIBCXX_HAVE_ALIGNED_ALLOC) && !defined(_WIN32))
#define POSIXALIGNEDALLOC
#include <stdlib.h>
#endif
#include "misc.h"
#include "thread.h"
@@ -214,26 +219,33 @@ const std::string compiler_info() {
compiler += "\nCompilation settings include: ";
compiler += (Is64Bit ? " 64bit" : " 32bit");
#if defined(USE_VNNI)
compiler += " VNNI";
#endif
#if defined(USE_AVX512)
compiler += " AVX512";
#endif
compiler += (HasPext ? " BMI2" : "");
#if defined(USE_AVX2)
compiler += " AVX2";
#endif
#if defined(USE_SSE42)
compiler += " SSE42";
#endif
#if defined(USE_SSE41)
compiler += " SSE41";
#endif
#if defined(USE_SSSE3)
compiler += " SSSE3";
#endif
#if defined(USE_SSE3)
compiler += " SSE3";
#if defined(USE_SSE2)
compiler += " SSE2";
#endif
compiler += (HasPext ? " BMI2" : "");
compiler += (HasPopCnt ? " POPCNT" : "");
compiler += (HasPopCnt ? " POPCNT" : "");
#if defined(USE_MMX)
compiler += " MMX";
#endif
#if defined(USE_NEON)
compiler += " NEON";
#endif
#if !defined(NDEBUG)
compiler += " DEBUG";
#endif
@@ -316,14 +328,17 @@ void prefetch(void* addr) {
#endif
/// Wrappers for systems where the c++17 implementation doesn't guarantee the availability of aligned_alloc.
/// Memory allocated with std_aligned_alloc must be freed with std_aligned_free.
///
/// std_aligned_alloc() is our wrapper for systems where the c++17 implementation
/// does not guarantee the availability of aligned_alloc(). Memory allocated with
/// std_aligned_alloc() must be freed with std_aligned_free().
void* std_aligned_alloc(size_t alignment, size_t size) {
#if (defined(__APPLE__) && defined(_LIBCPP_HAS_C11_FEATURES)) || defined(__ANDROID__) || defined(__OpenBSD__) || (defined(__GLIBCXX__) && !defined(_GLIBCXX_HAVE_ALIGNED_ALLOC) && !defined(_WIN32))
return aligned_alloc(alignment, size);
#elif (defined(_WIN32) || (defined(__APPLE__) && !defined(_LIBCPP_HAS_C11_FEATURES)))
#if defined(POSIXALIGNEDALLOC)
void *mem;
return posix_memalign(&mem, alignment, size) ? nullptr : mem;
#elif defined(_WIN32)
return _mm_malloc(size, alignment);
#else
return std::aligned_alloc(alignment, size);
@@ -331,16 +346,17 @@ void* std_aligned_alloc(size_t alignment, size_t size) {
}
void std_aligned_free(void* ptr) {
#if (defined(__APPLE__) && defined(_LIBCPP_HAS_C11_FEATURES)) || defined(__ANDROID__) || defined(__OpenBSD__) || (defined(__GLIBCXX__) && !defined(_GLIBCXX_HAVE_ALIGNED_ALLOC) && !defined(_WIN32))
#if defined(POSIXALIGNEDALLOC)
free(ptr);
#elif (defined(_WIN32) || (defined(__APPLE__) && !defined(_LIBCPP_HAS_C11_FEATURES)))
#elif defined(_WIN32)
_mm_free(ptr);
#else
free(ptr);
#endif
}
/// aligned_ttmem_alloc() will return suitably aligned memory, and if possible use large pages.
/// aligned_ttmem_alloc() will return suitably aligned memory, if possible using large pages.
/// The returned pointer is the aligned one, while the mem argument is the one that needs
/// to be passed to free. With c++17 some of this functionality could be simplified.
@@ -352,7 +368,9 @@ void* aligned_ttmem_alloc(size_t allocSize, void*& mem) {
size_t size = ((allocSize + alignment - 1) / alignment) * alignment; // multiple of alignment
if (posix_memalign(&mem, alignment, size))
mem = nullptr;
#if defined(MADV_HUGEPAGE)
madvise(mem, allocSize, MADV_HUGEPAGE);
#endif
return mem;
}