add back TBB

Author: duck2

.github/scripts/hostsetup.sh

@@ -69,7 +69,8 @@ apt install -y \
   default-jdk \
   g++-9 \
   gcc-9 \
-  wget
+  wget \
+  libtbb-dev
 
 # installing the latest version of cmake
 apt install -y apt-transport-https ca-certificates gnupg

vpr/src/route/route_timing.cpp

@@ -1840,8 +1840,8 @@ size_t dynamic_update_bounding_boxes(const std::vector<ParentNetId>& updated_net
     //Walk through each net, calculating the bounding box of its current routing,
     //and then increase the router's bounding box if the two are close together
 
-    size_t grid_xmax = grid.width() - 1;
-    size_t grid_ymax = grid.height() - 1;
+    int grid_xmax = grid.width() - 1;
+    int grid_ymax = grid.height() - 1;
 
     size_t num_bb_updated = 0;