X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fnnue%2Fevaluate_nnue.cpp;h=ed1388812e009874ab26fc896e92258374eea2a7;hp=d6ac9894cbbd4203303478c554a0cc5c1ce1ba78;hb=fc27d158c012341593518a05abf51903ecbcb495;hpb=d539da19d2b13d70a81ab863f54046add0bc3b38 diff --git a/src/nnue/evaluate_nnue.cpp b/src/nnue/evaluate_nnue.cpp index d6ac9894..ed138881 100644 --- a/src/nnue/evaluate_nnue.cpp +++ b/src/nnue/evaluate_nnue.cpp @@ -115,31 +115,16 @@ namespace Eval::NNUE { return stream && stream.peek() == std::ios::traits_type::eof(); } - // Proceed with the difference calculation if possible - static void UpdateAccumulatorIfPossible(const Position& pos) { - - feature_transformer->UpdateAccumulatorIfPossible(pos); - } - - // Calculate the evaluation value - static Value ComputeScore(const Position& pos, bool refresh) { - - auto& accumulator = pos.state()->accumulator; - if (!refresh && accumulator.computed_score) { - return accumulator.score; - } + // Evaluation function. Perform differential calculation. + Value evaluate(const Position& pos) { alignas(kCacheLineSize) TransformedFeatureType transformed_features[FeatureTransformer::kBufferSize]; - feature_transformer->Transform(pos, transformed_features, refresh); + feature_transformer->Transform(pos, transformed_features); alignas(kCacheLineSize) char buffer[Network::kBufferSize]; const auto output = network->Propagate(transformed_features, buffer); - auto score = static_cast(output[0] / FV_SCALE); - - accumulator.score = score; - accumulator.computed_score = true; - return accumulator.score; + return static_cast(output[0] / FV_SCALE); } // Load eval, from a file stream or a memory stream @@ -150,19 +135,4 @@ namespace Eval::NNUE { return ReadParameters(stream); } - // Evaluation function. Perform differential calculation. - Value evaluate(const Position& pos) { - return ComputeScore(pos, false); - } - - // Evaluation function. Perform full calculation. - Value compute_eval(const Position& pos) { - return ComputeScore(pos, true); - } - - // Proceed with the difference calculation if possible - void update_eval(const Position& pos) { - UpdateAccumulatorIfPossible(pos); - } - } // namespace Eval::NNUE