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Avoid unnecessary string copies

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closes https://github.com/official-stockfish/Stockfish/pull/4326

also fixes typo, closes https://github.com/official-stockfish/Stockfish/pull/4332

No functional change
This commit is contained in:
Sebastian Buchwald 2023-01-06 18:13:21 +01:00 • committed by Joost VandeVondele
parent e9e7a7b83f
commit 4f4e652eca
3 changed files with 3 additions and 3 deletions
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2
src/evaluate.cpp
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@ -89,7 +89,7 @@ namespace Eval {
vector<string> dirs = { "<internal>" , "" , CommandLine::binaryDirectory };
#endif
for (string directory : dirs)
for (const string& directory : dirs)
if (currentEvalFileName != eval_file)
{
if (directory != "<internal>")

2
src/nnue/layers/sqr_clipped_relu.h
View file

@ -106,7 +106,7 @@ namespace Stockfish::Eval::NNUE::Layers {
for (IndexType i = Start; i < InputDimensions; ++i) {
output[i] = static_cast<OutputType>(
// realy should be /127 but we need to make it fast
// really should be /127 but we need to make it fast
// needs to be accounted for in the trainer
std::max(0ll, std::min(127ll, (((long long)input[i] * input[i]) >> (2 * WeightScaleBits)) / 128)));
}

2
src/uci.cpp
View file

@ -160,7 +160,7 @@ namespace {
uint64_t num, nodes = 0, cnt = 1;
vector<string> list = setup_bench(pos, args);
num = count_if(list.begin(), list.end(), [](string s) { return s.find("go ") == 0 || s.find("eval") == 0; });
num = count_if(list.begin(), list.end(), [](const string& s) { return s.find("go ") == 0 || s.find("eval") == 0; });
TimePoint elapsed = now();