From 276513c19f333eebb2405cb4eea0bb6f8cc31a7b Mon Sep 17 00:00:00 2001 From: Marco Costalba Date: Sat, 8 May 2010 13:12:46 +0100 Subject: [PATCH] Lookup TT for eval also in PV nodes We don't need to evaluate the position if it is already cached in TT. We already do this in non-PV case. No functional change. Signed-off-by: Marco Costalba --- src/search.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/search.cpp b/src/search.cpp index 669302fc..aa577c79 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1025,8 +1025,8 @@ namespace { // search<>() is the main search function for both PV and non-PV nodes template - Value search(Position& pos, SearchStack ss[], Value alpha, Value beta, - Depth depth, int ply, bool allowNullmove, int threadID, Move excludedMove) { + Value search(Position& pos, SearchStack ss[], Value alpha, Value beta, Depth depth, + int ply, bool allowNullmove, int threadID, Move excludedMove) { assert(alpha >= -VALUE_INFINITE && alpha <= VALUE_INFINITE); assert(beta > alpha && beta <= VALUE_INFINITE); @@ -1098,7 +1098,7 @@ namespace { isCheck = pos.is_check(); if (!isCheck) { - if (!PvNode && tte && (tte->type() & VALUE_TYPE_EVAL)) + if (tte && (tte->type() & VALUE_TYPE_EVAL)) ss[ply].eval = value_from_tt(tte->value(), ply); else ss[ply].eval = evaluate(pos, ei, threadID); -- 2.39.2