Update to Stockfish 11

This commit is contained in:
Peter Osterlund
2020-01-18 08:00:03 +01:00
parent c19a3b3777
commit 9c1d76faa1
38 changed files with 1777 additions and 1605 deletions

View File

@@ -2,7 +2,7 @@
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
Copyright (C) 2015-2020 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -56,7 +56,7 @@ namespace {
/// Version number. If Version is left empty, then compile date in the format
/// DD-MM-YY and show in engine_info.
const string Version = "10";
const string Version = "11";
/// Our fancy logging facility. The trick here is to replace cin.rdbuf() and
/// cout.rdbuf() with two Tie objects that tie cin and cout to a file stream. We
@@ -102,6 +102,13 @@ public:
if (!fname.empty() && !l.file.is_open())
{
l.file.open(fname, ifstream::out);
if (!l.file.is_open())
{
cerr << "Unable to open debug log file " << fname << endl;
exit(EXIT_FAILURE);
}
cin.rdbuf(&l.in);
cout.rdbuf(&l.out);
}
@@ -144,8 +151,79 @@ const string engine_info(bool to_uci) {
}
/// compiler_info() returns a string trying to describe the compiler we use
const std::string compiler_info() {
#define STRINGIFY2(x) #x
#define STRINGIFY(x) STRINGIFY2(x)
#define VER_STRING(major, minor, patch) STRINGIFY(major) "." STRINGIFY(minor) "." STRINGIFY(patch)
/// Predefined macros hell:
///
/// __GNUC__ Compiler is gcc, Clang or Intel on Linux
/// __INTEL_COMPILER Compiler is Intel
/// _MSC_VER Compiler is MSVC or Intel on Windows
/// _WIN32 Building on Windows (any)
/// _WIN64 Building on Windows 64 bit
std::string compiler = "\nCompiled by ";
#ifdef __clang__
compiler += "clang++ ";
compiler += VER_STRING(__clang_major__, __clang_minor__, __clang_patchlevel__);
#elif __INTEL_COMPILER
compiler += "Intel compiler ";
compiler += "(version ";
compiler += STRINGIFY(__INTEL_COMPILER) " update " STRINGIFY(__INTEL_COMPILER_UPDATE);
compiler += ")";
#elif _MSC_VER
compiler += "MSVC ";
compiler += "(version ";
compiler += STRINGIFY(_MSC_FULL_VER) "." STRINGIFY(_MSC_BUILD);
compiler += ")";
#elif __GNUC__
compiler += "g++ (GNUC) ";
compiler += VER_STRING(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
#else
compiler += "Unknown compiler ";
compiler += "(unknown version)";
#endif
#if defined(__APPLE__)
compiler += " on Apple";
#elif defined(__CYGWIN__)
compiler += " on Cygwin";
#elif defined(__MINGW64__)
compiler += " on MinGW64";
#elif defined(__MINGW32__)
compiler += " on MinGW32";
#elif defined(__ANDROID__)
compiler += " on Android";
#elif defined(__linux__)
compiler += " on Linux";
#elif defined(_WIN64)
compiler += " on Microsoft Windows 64-bit";
#elif defined(_WIN32)
compiler += " on Microsoft Windows 32-bit";
#else
compiler += " on unknown system";
#endif
compiler += "\n __VERSION__ macro expands to: ";
#ifdef __VERSION__
compiler += __VERSION__;
#else
compiler += "(undefined macro)";
#endif
compiler += "\n";
return compiler;
}
/// Debug functions used mainly to collect run-time statistics
static int64_t hits[2], means[2];
static std::atomic<int64_t> hits[2], means[2];
void dbg_hit_on(bool b) { ++hits[0]; if (b) ++hits[1]; }
void dbg_hit_on(bool c, bool b) { if (c) dbg_hit_on(b); }
@@ -168,7 +246,7 @@ void dbg_print() {
std::ostream& operator<<(std::ostream& os, SyncCout sc) {
static Mutex m;
static std::mutex m;
if (sc == IO_LOCK)
m.lock();
@@ -210,12 +288,6 @@ void prefetch(void* addr) {
#endif
void prefetch2(void* addr) {
prefetch(addr);
prefetch((uint8_t*)addr + 64);
}
namespace WinProcGroup {
#ifndef _WIN32
@@ -257,7 +329,7 @@ int best_group(size_t idx) {
return -1;
}
while (ptr->Size > 0 && byteOffset + ptr->Size <= returnLength)
while (byteOffset < returnLength)
{
if (ptr->Relationship == RelationNumaNode)
nodes++;
@@ -268,6 +340,7 @@ int best_group(size_t idx) {
threads += (ptr->Processor.Flags == LTP_PC_SMT) ? 2 : 1;
}
assert(ptr->Size);
byteOffset += ptr->Size;
ptr = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX*)(((char*)ptr) + ptr->Size);
}