allocator optimizations

src/complexagent.rs

@@ -58,7 +58,6 @@ struct FutureMoves {
     max_depth: usize,
     /// Color w.r.t
     agent_color: Piece,
-    gc: usize,
 }
 
 impl FutureMoves {
@@ -69,7 +68,6 @@ impl FutureMoves {
             current_depth: 0,
             max_depth,
             agent_color,
-            gc: 0,
         }
     }
 
@@ -205,10 +203,7 @@ impl FutureMoves {
         if let Some(root) = new_root {
             self.current_root = Some(root);
             self.current_depth = self.max_depth - self.depth_of(Some(root));
-            self.gc += 1;
-            if self.gc > 3 {
-                self.prune_unrelated();
-            }
+            self.prune_unrelated();
             true
         } else {
             false