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instrumented.sh
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instrumented.sh
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#!/bin/bash
# check for errors under Valgrind or sanitizers.
error()
{
echo "instrumented testing failed on line $1"
exit 1
}
trap 'error ${LINENO}' ERR
# Since Linux Kernel 6.5 we are getting false positives from the ci,
# lower the ALSR entropy to disable ALSR, which works as a temporary workaround.
# https://github.com/google/sanitizers/issues/1716
# https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2056762
sudo sysctl -w vm.mmap_rnd_bits=28
# define suitable post and prefixes for testing options
case $1 in
--valgrind)
echo "valgrind testing started"
prefix=''
exeprefix='valgrind --error-exitcode=42 --errors-for-leak-kinds=all --leak-check=full'
postfix='1>/dev/null'
threads="1"
;;
--valgrind-thread)
echo "valgrind-thread testing started"
prefix=''
exeprefix='valgrind --fair-sched=try --error-exitcode=42'
postfix='1>/dev/null'
threads="2"
;;
--sanitizer-undefined)
echo "sanitizer-undefined testing started"
prefix='!'
exeprefix=''
postfix='2>&1 | grep -A50 "runtime error:"'
threads="1"
;;
--sanitizer-thread)
echo "sanitizer-thread testing started"
prefix='!'
exeprefix=''
postfix='2>&1 | grep -A50 "WARNING: ThreadSanitizer:"'
threads="2"
cat << EOF > tsan.supp
race:Stockfish::TTEntry::move
race:Stockfish::TTEntry::depth
race:Stockfish::TTEntry::bound
race:Stockfish::TTEntry::save
race:Stockfish::TTEntry::value
race:Stockfish::TTEntry::eval
race:Stockfish::TTEntry::is_pv
race:Stockfish::TranspositionTable::probe
race:Stockfish::TranspositionTable::hashfull
EOF
export TSAN_OPTIONS="suppressions=./tsan.supp"
;;
*)
echo "unknown testing started"
prefix=''
exeprefix=''
postfix=''
threads="1"
;;
esac
cat << EOF > bench_tmp.epd
Rn6/1rbq1bk1/2p2n1p/2Bp1p2/3Pp1pP/1N2P1P1/2Q1NPB1/6K1 w - - 2 26
rnbqkb1r/ppp1pp2/5n1p/3p2p1/P2PP3/5P2/1PP3PP/RNBQKBNR w KQkq - 0 3
3qnrk1/4bp1p/1p2p1pP/p2bN3/1P1P1B2/P2BQ3/5PP1/4R1K1 w - - 9 28
r4rk1/1b2ppbp/pq4pn/2pp1PB1/1p2P3/1P1P1NN1/1PP3PP/R2Q1RK1 w - - 0 13
EOF
# simple command line testing
for args in "eval" \
"go nodes 1000" \
"go depth 10" \
"go perft 4" \
"go movetime 1000" \
"go wtime 8000 btime 8000 winc 500 binc 500" \
"go wtime 1000 btime 1000 winc 0 binc 0" \
"go wtime 1000 btime 1000 winc 0 binc 0" \
"go wtime 1000 btime 1000 winc 0 binc 0 movestogo 5" \
"go movetime 200" \
"go nodes 20000 searchmoves e2e4 d2d4" \
"bench 128 $threads 8 default depth" \
"bench 128 $threads 3 bench_tmp.epd depth" \
"export_net verify.nnue" \
"d" \
"compiler" \
"license" \
"uci"
do
echo "$prefix $exeprefix ./stockfish $args $postfix"
eval "$prefix $exeprefix ./stockfish $args $postfix"
done
# verify the generated net equals the base net
network=`./stockfish uci | grep 'option name EvalFile type string default' | awk '{print $NF}'`
echo "Comparing $network to the written verify.nnue"
diff $network verify.nnue
# more general testing, following an uci protocol exchange
cat << EOF > game.exp
set timeout 240
spawn $exeprefix ./stockfish
send "uci\n"
expect "uciok"
# send "setoption name Debug Log File value debug.log\n"
send "setoption name Threads value $threads\n"
send "ucinewgame\n"
send "position startpos\n"
send "go nodes 1000\n"
expect "bestmove"
send "position startpos moves e2e4 e7e6\n"
send "go nodes 1000\n"
expect "bestmove"
send "position fen 5rk1/1K4p1/8/8/3B4/8/8/8 b - - 0 1\n"
send "go depth 10\n"
expect "bestmove"
send "setoption name UCI_ShowWDL value true\n"
send "position startpos\n"
send "flip\n"
send "go depth 5\n"
expect "bestmove"
send "setoption name Skill Level value 10\n"
send "position startpos\n"
send "go depth 5\n"
expect "bestmove"
send "setoption name Clear Hash\n"
send "setoption name EvalFile value verify.nnue\n"
send "position startpos\n"
send "go depth 5\n"
expect "bestmove"
send "setoption name MultiPV value 4\n"
send "position startpos\n"
send "go depth 5\n"
send "quit\n"
expect eof
# return error code of the spawned program, useful for Valgrind
lassign [wait] pid spawnid os_error_flag value
exit \$value
EOF
#download TB as needed
if [ ! -d ../tests/syzygy ]; then
curl -sL https://api.github.com/repos/niklasf/python-chess/tarball/9b9aa13f9f36d08aadfabff872882f4ab1494e95 | tar -xzf -
mv niklasf-python-chess-9b9aa13 ../tests/syzygy
fi
cat << EOF > syzygy.exp
set timeout 240
spawn $exeprefix ./stockfish
send "uci\n"
send "setoption name SyzygyPath value ../tests/syzygy/\n"
expect "info string Found 35 tablebases" {} timeout {exit 1}
send "bench 128 1 8 default depth\n"
send "ucinewgame\n"
send "position fen 4k3/PP6/8/8/8/8/8/4K3 w - - 0 1\n"
send "go depth 5\n"
expect "bestmove"
send "position fen 8/1P6/2B5/8/4K3/8/6k1/8 w - - 0 1\n"
send "go depth 5\n"
expect "bestmove"
send "quit\n"
expect eof
# return error code of the spawned program, useful for Valgrind
lassign [wait] pid spawnid os_error_flag value
exit \$value
EOF
for exp in game.exp syzygy.exp
do
echo "$prefix expect $exp $postfix"
eval "$prefix expect $exp $postfix"
rm $exp
done
rm -f tsan.supp bench_tmp.epd
echo "instrumented testing OK"