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Try to get a more precise bench time (#2211)

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Initialization of larger hash sizes can take some time.
Don't include this time in the bench by resetting the timer after Search::clear().
Also move 'ucinewgame' command down in the list, so that it is processed
after the configuration of Threads and Hash size.

No functional change.
This commit is contained in:
Jörg Oster
2019-06-30 15:16:20 +02:00
committed by Marco Costalba
parent d889bb4718
commit c9d73d1aa5
2 changed files with 2 additions and 2 deletions
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2
src/benchmark.cpp
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@@ -139,9 +139,9 @@ vector<string> setup_bench(const Position& current, istream& is) {
file.close(); file.close();
} }
list.emplace_back("ucinewgame");
list.emplace_back("setoption name Threads value " + threads); list.emplace_back("setoption name Threads value " + threads);
list.emplace_back("setoption name Hash value " + ttSize); list.emplace_back("setoption name Hash value " + ttSize);
list.emplace_back("ucinewgame");
for (const string& fen : fens) for (const string& fen : fens)
if (fen.find("setoption") != string::npos) if (fen.find("setoption") != string::npos)

2
src/uci.cpp
View File

@@ -164,7 +164,7 @@ namespace {
} }
else if (token == "setoption") setoption(is); else if (token == "setoption") setoption(is);
else if (token == "position") position(pos, is, states); else if (token == "position") position(pos, is, states);
else if (token == "ucinewgame") Search::clear(); else if (token == "ucinewgame") { Search::clear(); elapsed = now(); } // Search::clear() may take some while
} }
elapsed = now() - elapsed + 1; // Ensure positivity to avoid a 'divide by zero' elapsed = now() - elapsed + 1; // Ensure positivity to avoid a 'divide by zero'