mirror of
https://github.com/sockspls/badfish
synced 2025-04-29 16:23:09 +00:00
4b86ef8c4f
closes https://github.com/official-stockfish/Stockfish/pull/3822 also adjusts readme as requested in https://github.com/official-stockfish/Stockfish/pull/3816 No functional change
61 lines
1.2 KiB
Bash
Executable file
61 lines
1.2 KiB
Bash
Executable file
#!/bin/bash
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# verify reproducible search
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error()
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{
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echo "reprosearch testing failed on line $1"
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exit 1
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}
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trap 'error ${LINENO}' ERR
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echo "reprosearch testing started"
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# repeat two short games, separated by ucinewgame.
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# with go nodes $nodes they should result in exactly
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# the same node count for each iteration.
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cat << EOF > repeat.exp
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set timeout 10
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spawn ./stockfish
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lassign \$argv nodes
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send "uci\n"
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expect "uciok"
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send "ucinewgame\n"
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send "position startpos\n"
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send "go nodes \$nodes\n"
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expect "bestmove"
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send "position startpos moves e2e4 e7e6\n"
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send "go nodes \$nodes\n"
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expect "bestmove"
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send "ucinewgame\n"
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send "position startpos\n"
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send "go nodes \$nodes\n"
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expect "bestmove"
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send "position startpos moves e2e4 e7e6\n"
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send "go nodes \$nodes\n"
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expect "bestmove"
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send "quit\n"
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expect eof
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EOF
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# to increase the likelihood of finding a non-reproducible case,
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# the allowed number of nodes are varied systematically
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for i in `seq 1 20`
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do
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nodes=$((100*3**i/2**i))
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echo "reprosearch testing with $nodes nodes"
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# each line should appear exactly an even number of times
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expect repeat.exp $nodes 2>&1 | grep -o "nodes [0-9]*" | sort | uniq -c | awk '{if ($1%2!=0) exit(1)}'
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done
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rm repeat.exp
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echo "reprosearch testing OK"
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