drt: Use Boost's hashmap for A*

Signed-off-by: Krzysztof Bieganski <[email protected]>
antmicro · Jan 7, 2025 · 7bf2d83 · 7bf2d83
1 parent ecbe207
commit 7bf2d83
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/drt/src/dr/FlexGridGraph.h b/src/drt/src/dr/FlexGridGraph.h
@@ -28,7 +28,7 @@
 
 #pragma once
 
-#include <unordered_map>
+#include <boost/unordered/unordered_flat_map.hpp>
 #include <cstdint>
 #include <cstring>
 #include <fstream>
@@ -1129,7 +1129,7 @@ class FlexGridGraph
   std::vector<bool> srcs_;
   std::vector<bool> dsts_;
   std::vector<bool> guides_;
-  std::unordered_map<frMIdx, frCost> path_costs_;
+  boost::unordered_flat_map<frMIdx, frCost> path_costs_;
   frVector<frCoord> xCoords_;
   frVector<frCoord> yCoords_;
   frVector<frLayerNum> zCoords_;