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Remove useTT compile time flag

This commit is contained in:
Mattia Giambirtone 2024-05-02 19:08:30 +02:00
parent 5100bc744c
commit d5f3071733
2 changed files with 20 additions and 24 deletions
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3
Chess/nimfish/nimfishpkg/search.nim
View File

@ -73,7 +73,6 @@ proc getEstimatedMoveScore(self: SearchManager, move: Move): Score =
nonSideToMove = sideToMove.opposite() nonSideToMove = sideToMove.opposite()
if self.previousBestMove != nullMove() and move == self.previousBestMove: if self.previousBestMove != nullMove() and move == self.previousBestMove:
return highestEval() + 1 return highestEval() + 1
when defined(useTT):
let query = self.transpositionTable.get(self.board.position.zobristKey) let query = self.transpositionTable.get(self.board.position.zobristKey)
if query.success and query.entry.bestMove != nullMove() and query.entry.bestMove == move: if query.success and query.entry.bestMove != nullMove() and query.entry.bestMove == move:
return highestEval() + 1 return highestEval() + 1
@ -223,7 +222,6 @@ proc search(self: SearchManager, depth, ply: int, alpha, beta: Score): Score {.d
# one because then we wouldn't have a move to return. # one because then we wouldn't have a move to return.
# In practice this should not be a problem # In practice this should not be a problem
return return
when defined(useTT):
if ply > 0: if ply > 0:
let query = self.transpositionTable.get(self.board.position.zobristKey, depth.uint8) let query = self.transpositionTable.get(self.board.position.zobristKey, depth.uint8)
if query.success: if query.success:
@ -299,7 +297,6 @@ proc search(self: SearchManager, depth, ply: int, alpha, beta: Score): Score {.d
if ply == 0: if ply == 0:
self.bestMoveRoot = move self.bestMoveRoot = move
self.bestRootScore = bestScore self.bestRootScore = bestScore
when defined(useTT):
let nodeType = if bestScore >= beta: LowerBound elif bestScore <= alpha: UpperBound else: Exact let nodeType = if bestScore >= beta: LowerBound elif bestScore <= alpha: UpperBound else: Exact
self.transpositionTable.store(depth.uint8, bestScore, self.board.position.zobristKey, bestMove, nodeType) self.transpositionTable.store(depth.uint8, bestScore, self.board.position.zobristKey, bestMove, nodeType)

1
Chess/nimfish/nimfishpkg/uci.nim
View File

@ -353,7 +353,6 @@ proc startUCISession* =
of NewGame: of NewGame:
session.board = newDefaultChessboard() session.board = newDefaultChessboard()
of Go: of Go:
when defined(useTT):
if session.transpositionTable.isNil() or session.transpositionTable.size() == 0: if session.transpositionTable.isNil() or session.transpositionTable.size() == 0:
session.transpositionTable = newTranspositionTable(session.hashTableSize * 1024 * 1024) session.transpositionTable = newTranspositionTable(session.hashTableSize * 1024 * 1024)
if session.debug: if session.debug: