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Restore perft

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Rewrite perft to be placed naturally inside new
bench code. In particular we don't have special
custom code to run perft anymore but perft is
just a new parameter of 'go' command.

So user API is now changed, old style command:

$perft 5

becomes

$go perft 4

No functional change.
This commit is contained in:
Marco Costalba
2017-08-15 01:05:22 -07:00
parent 444d99b6d2
commit 45e254a0a0
5 changed files with 52 additions and 53 deletions
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15
src/benchmark.cpp
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@@ -86,11 +86,16 @@ const vector<string> Defaults = {
} // namespace
/// setup_bench() builds a list of UCI commands to be run by bench. There
/// are five parameters: TT size, number of search threads that should
/// be used, the limit value spent for each position (optional, default is
/// depth 13), an optional file name where to look for positions in FEN
/// format (defaults are the positions defined above) and the type of the
/// limit value: depth (default), time in millisecs or number of nodes.
/// are five parameters: TT size in MB, number of search threads that
/// should be used, the limit value spent for each position, a file name
/// where to look for positions in FEN format and the type of the limit:
/// depth, perft, nodes and movetime (in millisecs).
///
/// bench -> search default positions up to depth 13
/// bench 64 1 15 -> search default positions up to depth 15 (TT = 64MB)
/// bench 64 4 5000 current movetime -> search current position with 4 threads for 5 sec
/// bench 64 1 100000 default nodes -> search default positions for 100K nodes each
/// bench 16 1 5 default perft -> run a perft 5 on default positions
std::vector<string> setup_bench(const Position& current , istream& is) {