diff options
Diffstat (limited to 'src/searchsup.c')
| -rw-r--r-- | src/searchsup.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/searchsup.c b/src/searchsup.c index 54e1814..72667c8 100644 --- a/src/searchsup.c +++ b/src/searchsup.c @@ -24,59 +24,6 @@ extern SCORE g_iRootScore[2]; extern ULONG g_uHardExtendLimit; extern ULONG g_uIterateDepth; -ULONG -NumLeftoverMovesToSelect(IN SEARCHER_THREAD_CONTEXT *ctx, IN ULONG uDepth) -/** - -Routine description: - - How many "leftover" (below GOOD_MOVE -- see search.c's - TRY_GENERATED_MOVES gate) moves are worth a full SelectBestWithHistory - scan before we give up and just take the remainder in whatever order - they're sitting in. Only ever consulted once every high-performer - move (winning/even capture, killer, killer-mate) has already been - exhausted -- this never limits how many of *those* get selected, - only how much further care to spend on the ordinary/leftover tail. - - Replaces the old g_uSearchSortLimits[ply], indexed by distance from - the root -- a poor proxy for what actually matters here, which is - how large the remaining subtree below this node is (distance from - root only correlates with that when total search depth is roughly - fixed; it says nothing once extensions/reductions/iterative-deepening - are in play). uDepth (remaining depth, in ONE_PLY units, possibly - fractional) is the more principled signal: a bigger remaining - subtree makes the cost of a few extra O(n) selection scans more - worth paying to avoid a bad early choice cascading into extra - full-width re-searches. - - STARTING POINT, NOT YET VALIDATED under this new meaning: this - reuses the previous table's six numbers verbatim, just reindexed by - plies of *remaining* depth instead of *distance from root* -- same - overall shape (more care with more depth left), same specific - values, carried over only because they're a known, testable - starting point, not because they were ever confirmed correct here. - -Parameters: - - IN SEARCHER_THREAD_CONTEXT *ctx, - IN ULONG uDepth - -Return value: - - ULONG - -**/ -{ - static const ULONG _uLimits[] = { 8, 9, 11, 13, 15, 17 }; - ULONG uPlies = uDepth / ONE_PLY; - - if (uPlies >= ARRAY_LENGTH(_uLimits)) - { - uPlies = ARRAY_LENGTH(_uLimits) - 1; - } - return(_uLimits[uPlies]); -} - void UpdatePV(SEARCHER_THREAD_CONTEXT *ctx, MOVE mv) /** |
