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Improve some comments
- clarify the examples for the bench command - typo in search.cpp closes https://github.com/official-stockfish/Stockfish/pull/4710 No functional change
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3 changed files with 12 additions and 13 deletions
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@ -100,15 +100,14 @@ namespace Stockfish {
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/// setup_bench() builds a list of UCI commands to be run by bench. There
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/// setup_bench() builds a list of UCI commands to be run by bench. There
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/// are five parameters: TT size in MB, number of search threads that
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/// are five parameters: TT size in MB, number of search threads that
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/// should be used, the limit value spent for each position, a file name
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/// should be used, the limit value spent for each position, a file name
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/// where to look for positions in FEN format, the type of the limit:
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/// where to look for positions in FEN format, and the type of the limit:
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/// depth, perft, nodes and movetime (in millisecs), and evaluation type
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/// depth, perft, nodes and movetime (in milliseconds). Examples:
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/// mixed (default), classical, NNUE.
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///
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///
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/// bench -> search default positions up to depth 13
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/// bench : search default positions up to depth 13
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/// bench 64 1 15 -> search default positions up to depth 15 (TT = 64MB)
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/// bench 64 1 15 : search default positions up to depth 15 (TT = 64MB)
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/// bench 64 4 5000 current movetime -> search current position with 4 threads for 5 sec
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/// bench 64 1 100000 default nodes : search default positions for 100K nodes each
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/// bench 64 1 100000 default nodes -> search default positions for 100K nodes each
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/// bench 64 4 5000 current movetime : search current position with 4 threads for 5 sec
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/// bench 16 1 5 default perft -> run a perft 5 on default positions
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/// bench 16 1 5 blah perft : run a perft 5 on positions in file "blah"
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vector<string> setup_bench(const Position& current, istream& is) {
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vector<string> setup_bench(const Position& current, istream& is) {
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@ -82,6 +82,7 @@ namespace Stockfish::Eval::NNUE {
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} // namespace Detail
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} // namespace Detail
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// Initialize the evaluation function parameters
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// Initialize the evaluation function parameters
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static void initialize() {
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static void initialize() {
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@ -187,7 +188,6 @@ namespace Stockfish::Eval::NNUE {
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// We manually align the arrays on the stack because with gcc < 9.3
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// We manually align the arrays on the stack because with gcc < 9.3
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// overaligning stack variables with alignas() doesn't work correctly.
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// overaligning stack variables with alignas() doesn't work correctly.
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constexpr uint64_t alignment = CacheLineSize;
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constexpr uint64_t alignment = CacheLineSize;
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#if defined(ALIGNAS_ON_STACK_VARIABLES_BROKEN)
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#if defined(ALIGNAS_ON_STACK_VARIABLES_BROKEN)
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@ -249,8 +249,9 @@ namespace Stockfish::Eval::NNUE {
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}
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}
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// format_cp_aligned_dot() converts a Value into pawns, always keeping two decimals.
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// format_cp_aligned_dot() converts a Value into pawns, always keeping two decimals
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static void format_cp_aligned_dot(Value v, std::stringstream &stream) {
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static void format_cp_aligned_dot(Value v, std::stringstream &stream) {
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const double pawns = std::abs(0.01 * UCI::to_cp(v));
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const double pawns = std::abs(0.01 * UCI::to_cp(v));
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stream << (v < 0 ? '-' : v > 0 ? '+' : ' ')
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stream << (v < 0 ? '-' : v > 0 ? '+' : ' ')
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@ -263,7 +264,6 @@ namespace Stockfish::Eval::NNUE {
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// trace() returns a string with the value of each piece on a board,
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// trace() returns a string with the value of each piece on a board,
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// and a table for (PSQT, Layers) values bucket by bucket.
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// and a table for (PSQT, Layers) values bucket by bucket.
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std::string trace(Position& pos) {
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std::string trace(Position& pos) {
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std::stringstream ss;
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std::stringstream ss;
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@ -746,7 +746,7 @@ namespace {
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// Set up the improving flag, which is true if current static evaluation is
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// Set up the improving flag, which is true if current static evaluation is
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// bigger than the previous static evaluation at our turn (if we were in
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// bigger than the previous static evaluation at our turn (if we were in
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// check at our previous move we look at static evaluaion at move prior to it
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// check at our previous move we look at static evaluation at move prior to it
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// and if we were in check at move prior to it flag is set to true) and is
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// and if we were in check at move prior to it flag is set to true) and is
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// false otherwise. The improving flag is used in various pruning heuristics.
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// false otherwise. The improving flag is used in various pruning heuristics.
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improving = (ss-2)->staticEval != VALUE_NONE ? ss->staticEval > (ss-2)->staticEval
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improving = (ss-2)->staticEval != VALUE_NONE ? ss->staticEval > (ss-2)->staticEval
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