Speed up placer

Signed-off-by: David Shah <davey1576@gmail.com>

2 files changed, 2 insertions, 6 deletions

diff --git a/common/place_sa.cc b/common/place_sa.cc
index 12ca30d8..a0c32c1d 100644
--- a/common/place_sa.cc
+++ b/common/place_sa.cc
@@ -191,16 +191,12 @@ static bool try_swap_position(Design *design, CellInfo *cell, BelId newBel,
         other_cell = design->cells[other];
         chip.unbindBel(newBel);
     }
-    if (!isValidBelForCell(design, cell, newBel))
-        goto swap_fail;
 
     for (const auto &port : cell->ports)
         if (port.second.net != nullptr)
             update.insert(port.second.net);
 
     if (other != IdString()) {
-        if (!isValidBelForCell(design, other_cell, oldBel))
-            goto swap_fail;
         for (const auto &port : other_cell->ports)
             if (port.second.net != nullptr)
                 update.insert(port.second.net);
diff --git a/common/route.cc b/common/route.cc
index 247c8840..4cd2aa99 100644
--- a/common/route.cc
+++ b/common/route.cc
@@ -440,8 +440,8 @@ void route_design(Design *design, bool verbose)
                          "routing.\n",
                          int(netsQueue.size()));
 
-            ripup_pip_penalty *= 1.5;
-            ripup_wire_penalty *= 1.5;
+            ripup_pip_penalty += 15;
+            ripup_wire_penalty += 15;
         }
     }