Merge branch 'parallaxsw:master' into main

Author: akashlevy

README.md

@@ -63,8 +63,7 @@ compiled locally.  Derivative works are supported as long as they
 adhere to the GPL license requirements.  However, OpenSTA is not
 supported by a public community of developers as many other open
 source projects are. The copyright and develpment are exclusive to
-Parallax Software. Contributors must signing the Contributor License
-Agreement (doc/CLA.txt) when submitting pull requests.
+Parallax Software.
 
 Removing copyright and license notices from OpenSTA sources (or any
 other open source project for that matter) is illegal. This should be
@@ -257,8 +256,12 @@ Contributions that claim 4% performance improvements in OpenROAD flow
 scripts will largely be ignored. Small performance improvements
 simply do not justify the time requied to audit and verify the changes.
 
-Contributions that add dependencies on external libraries like boost
-will not be accepted.
+Contributions that add dependencies on external libraries like boost,
+abseil and Intel TBB will not be accepted.
+
+As the author of OpenSTA I vastly prefer writing code to reviewing
+code.  I don't have the patience to go round after round to correct
+code formatting that is not consistent with the rest of the code.
 
 ## Authors
 

dcalc/GraphDelayCalc.cc

@@ -621,10 +621,15 @@ GraphDelayCalc::findVertexDelay(Vertex *vertex,
 DrvrLoadSlews
 GraphDelayCalc::loadSlews(LoadPinIndexMap &load_pin_index_map)
 {
+  size_t slew_count = graph_->slewCount();
   DrvrLoadSlews load_slews(load_pin_index_map.size());
   for (auto const [pin, index] : load_pin_index_map) {
     Vertex *load_vertex = graph_->pinLoadVertex(pin);
-    load_slews[index] = graph_->slews(load_vertex);
+    SlewSeq &slews = load_slews[index];;
+    slews.resize(slew_count);
+    Slew *vertex_slews = load_vertex->slews();
+    for (size_t i = 0; i < slew_count; i++)
+      slews[i] = vertex_slews[i];
   }
   return load_slews;
 }
@@ -633,11 +638,12 @@ bool
 GraphDelayCalc::loadSlewsChanged(DrvrLoadSlews &load_slews_prev,
                                  LoadPinIndexMap &load_pin_index_map)
 {
+  size_t slew_count = graph_->slewCount();
   for (auto const [pin, index] : load_pin_index_map) {
     Vertex *load_vertex = graph_->pinLoadVertex(pin);
-    const SlewSeq slews = graph_->slews(load_vertex);
-    const SlewSeq &slews_prev = load_slews_prev[index];
-    for (size_t i = 0; i < slews.size(); i++) {
+    SlewSeq &slews_prev = load_slews_prev[index];;
+    const Slew *slews = load_vertex->slews();
+    for (size_t i = 0; i < slew_count; i++) {
       if (!delayEqual(slews[i], slews_prev[i]))
         return true;
     }