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Code Issues Releases Wiki Activity

Fix "go nodes", at least when Threads=1

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Justin Blanchard 2012-01-13 14:33:22 +08:00 • committed by mcostalba
parent 1b69ef8e6c
commit 007613cb5e
1 changed files with 7 additions and 4 deletions
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11
src/search.cpp
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@ -589,6 +589,10 @@ namespace {
} }
// Step 2. Check for aborted search and immediate draw // Step 2. Check for aborted search and immediate draw
// Enforce node limit here. FIXME: This only works with 1 search thread.
if (Limits.maxNodes && pos.nodes_searched() >= Limits.maxNodes)
Signals.stop = true;
if (( Signals.stop if (( Signals.stop
|| pos.is_draw<false>() || pos.is_draw<false>()
|| ss->ply > MAX_PLY) && !RootNode) || ss->ply > MAX_PLY) && !RootNode)
@ -1014,7 +1018,7 @@ split_point_start: // At split points actual search starts from here
alpha = sp->alpha; alpha = sp->alpha;
} }
// Finished searching the move. If StopRequest is true, the search // Finished searching the move. If Signals.stop is true, the search
// was aborted because the user interrupted the search or because we // was aborted because the user interrupted the search or because we
// ran out of time. In this case, the return value of the search cannot // ran out of time. In this case, the return value of the search cannot
// be trusted, and we don't update the best move and/or PV. // be trusted, and we don't update the best move and/or PV.
@ -1075,7 +1079,7 @@ split_point_start: // At split points actual search starts from here
// Step 20. Check for mate and stalemate // Step 20. Check for mate and stalemate
// All legal moves have been searched and if there are no legal moves, it // All legal moves have been searched and if there are no legal moves, it
// must be mate or stalemate. Note that we can have a false positive in // must be mate or stalemate. Note that we can have a false positive in
// case of StopRequest or thread.cutoff_occurred() are set, but this is // case of Signals.stop or thread.cutoff_occurred() are set, but this is
// harmless because return value is discarded anyhow in the parent nodes. // harmless because return value is discarded anyhow in the parent nodes.
// If we are in a singular extension search then return a fail low score. // If we are in a singular extension search then return a fail low score.
if (!moveCount) if (!moveCount)
@ -1945,7 +1949,6 @@ void check_time() {
|| stillAtFirstMove; || stillAtFirstMove;
if ( (Limits.use_time_management() && noMoreTime) if ( (Limits.use_time_management() && noMoreTime)
|| (Limits.maxTime && e >= Limits.maxTime) || (Limits.maxTime && e >= Limits.maxTime))
/* missing nodes limit */ ) // FIXME
Signals.stop = true; Signals.stop = true;
} }