Bench: 3610661

jhonnold · Sep 30, 2023 · b7f8e8c · b7f8e8c
1 parent 05769c3
commit b7f8e8c
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/src/search.c b/src/search.c
@@ -50,7 +50,7 @@ int STATIC_PRUNE[2][MAX_SEARCH_PLY];
 void InitPruningAndReductionTables() {
   for (int depth = 1; depth < MAX_SEARCH_PLY; depth++)
     for (int moves = 1; moves < 64; moves++)
-      LMR[depth][moves] = log(depth) * log(moves) / 2.25 + 0.25;
+      LMR[depth][moves] = ((1.3 * log(Threads.count) + 14.222) * log(depth) * log(moves) + 8) / 32.0;
 
   LMR[0][0] = LMR[0][1] = LMR[1][0] = 0;
 

diff --git a/src/thread.c b/src/thread.c
@@ -176,6 +176,8 @@ void ThreadsSetNumber(int n) {
 
   if (n == 0)
     Threads.searching = 0;
+
+  InitPruningAndReductionTables();
 }
 
 // End
@@ -191,8 +193,8 @@ void ThreadsInit() {
   pthread_mutex_init(&Threads.mutex, NULL);
   pthread_cond_init(&Threads.sleep, NULL);
 
-  Threads.count = 1;
-  ThreadCreate(0);
+  Threads.count = 0;
+  ThreadsSetNumber(1);
 }
 
 INLINE void InitRootMove(RootMove* rm, Move move) {