Merge branch 'dev'

compiler/debug.py

@@ -11,9 +11,9 @@ import sys
 
 
 def check(check, str):
-    (frame, filename, line_number, function_name, lines,
-     index) = inspect.getouterframes(inspect.currentframe())[1]
     if not check:
+        (frame, filename, line_number, function_name, lines,
+         index) = inspect.getouterframes(inspect.currentframe())[1]
         sys.stderr.write("ERROR: file {0}: line {1}: {2}\n".format(
             os.path.basename(filename), line_number, str))
         log("ERROR: file {0}: line {1}: {2}\n".format(

compiler/example_configs/big_config_scn4m_subm.py

@@ -1,4 +1,4 @@
-word_size = 8
+word_size = 32
 num_words = 128
 
 tech_name = "scn4m_subm"

compiler/gdsMill/gdsMill/vlsiLayout.py

@@ -732,25 +732,18 @@ class VlsiLayout:
         Return all gshapes on a given layer in [llx, lly, urx, ury] format and 
         user units.
         """
-        boundaries = []
+        boundaries = set()
         for TreeUnit in self.xyTree:
             #print(TreeUnit[0])
-            boundaries.extend(self.getShapesInStructure(layer,TreeUnit))
+            boundaries.update(self.getShapesInStructure(layer,TreeUnit))
 
-        # Remove duplicates without defining a hash
-        # (could be sped up by creating hash and using list(set())
-        new_boundaries = []
-        for boundary in boundaries:
-            if boundary not in new_boundaries:
-                new_boundaries.append(boundary)
-                
         # Convert to user units
-        boundaries = []
-        for boundary in new_boundaries:
-            boundaries.append([boundary[0]*self.units[0],boundary[1]*self.units[0],
-                               boundary[2]*self.units[0],boundary[3]*self.units[0]])
+        user_boundaries = []
+        for boundary in boundaries:
+            user_boundaries.append([boundary[0]*self.units[0],boundary[1]*self.units[0],
+                                    boundary[2]*self.units[0],boundary[3]*self.units[0]])
                 
-        return boundaries
+        return user_boundaries
 
 
     def getShapesInStructure(self,layer,structure):
@@ -764,7 +757,9 @@ class VlsiLayout:
         boundaries = []
         for boundary in self.structures[str(structureName)].boundaries:
             # FIXME: Right now, this only supports rectangular shapes!
-            #debug.check(len(boundary.coordinates)==5,"Non-rectangular shape.")
+            # We should trigger an error but some FreePDK45 library cells contain paths.
+            # These get saved fine, but we cannot parse them as blockages... 
+            #debug.check(len(boundary.coordinates)==5,"Non-rectangular shapes are not supported.")
             if len(boundary.coordinates)!=5:
                 continue
             if layer==boundary.drawingLayer:
@@ -774,9 +769,9 @@ class VlsiLayout:
                 boundaryRect=[left_bottom[0],left_bottom[1],right_top[0],right_top[1]]
                 # perform the rotation
                 boundaryRect=self.transformRectangle(boundaryRect,structureuVector,structurevVector)
-                # add the offset
-                boundaryRect=[boundaryRect[0]+structureOrigin[0].item(),boundaryRect[1]+structureOrigin[1].item(),
-                              boundaryRect[2]+structureOrigin[0].item(),boundaryRect[3]+structureOrigin[1].item()]
+                # add the offset and make it a tuple
+                boundaryRect=(boundaryRect[0]+structureOrigin[0].item(),boundaryRect[1]+structureOrigin[1].item(),
+                              boundaryRect[2]+structureOrigin[0].item(),boundaryRect[3]+structureOrigin[1].item())
                 boundaries.append(boundaryRect)
                     
         return boundaries

compiler/router/grid.py

@@ -21,8 +21,8 @@ class grid:
         """ Initialize the map and define the costs. """
 
         # list of the source/target grid coordinates
-        self.source = []
-        self.target = []
+        self.source = set()
+        self.target = set()
 
         self.track_width = track_width
         self.track_widths = [self.track_width, self.track_width, 1.0] 
@@ -71,7 +71,8 @@ class grid:
             self.map[n].path=value
 
     def clear_blockages(self):
-        self.set_blocked(set(self.map.keys()),False)
+        for k in self.map:
+            self.map[k].blocked=False
             
     def set_source(self,n,value=True):
         if isinstance(n, (list,tuple,set,frozenset)):
@@ -80,7 +81,7 @@ class grid:
         else:
             self.add_map(n)
             self.map[n].source=value
-            self.source.append(n)
+            self.source.add(n)
         
     def set_target(self,n,value=True):
         if isinstance(n, (list,tuple,set,frozenset)):
@@ -89,7 +90,7 @@ class grid:
         else:
             self.add_map(n)
             self.map[n].target=value
-            self.target.append(n)
+            self.target.add(n)
 
         
     def add_source(self,track_list,value=True):
@@ -121,7 +122,7 @@ class grid:
             for item in n:
                 self.add_map(item)
         else:
-            if n not in self.map.keys():
+            if n not in self.map:
                 self.map[n]=grid_cell()
         
 

compiler/router/router.py

@@ -204,7 +204,7 @@ class router(router_tech):
                     continue
                 # Combine if at least 1 grid cell is adjacent
                 if pg1.adjacent(pg2):
-                    if not index1 in adjacent_pins.keys():
+                    if not index1 in adjacent_pins:
                         adjacent_pins[index1] = set([index2])
                     else:
                         adjacent_pins[index1].add(index2)
@@ -341,7 +341,7 @@ class router(router_tech):
         
         # Block all of the pin components (some will be unblocked if they're a source/target)
         # Also block the previous routes
-        for name in self.pin_groups.keys():
+        for name in self.pin_groups:
             blockage_grids = {y for x in self.pin_groups[name] for y in x.grids}
             self.set_blockages(blockage_grids,True)
             blockage_grids = {y for x in self.pin_groups[name] for y in x.blockages}
@@ -745,7 +745,7 @@ class router(router_tech):
         group_map = {}
         for pin in pin_list:
             gid = group_id[pin]
-            if gid not in group_map.keys():
+            if gid not in group_map:
                 group_map[gid] = pin_group(name=pin_name, pin_set=[], router=self)
             # We always add it to the first set since they are touching
             group_map[gid].pins[0].add(pin)
@@ -803,7 +803,7 @@ class router(router_tech):
         put a rectangle over it. It does not enclose grid squares that are blocked
         by other shapes.
         """
-        for pin_name in self.pin_groups.keys():
+        for pin_name in self.pin_groups:
             debug.info(1,"Enclosing pins for {}".format(pin_name))
             for pg in self.pin_groups[pin_name]:
                 pg.enclose_pin()
@@ -1091,7 +1091,7 @@ class router(router_tech):
         
         if show_all_grids:
             self.rg.add_all_grids()
-            for g in self.rg.map.keys():
+            for g in self.rg.map:
                 self.annotate_grid(g)
             
         if show_blockages:
@@ -1105,12 +1105,11 @@ class router(router_tech):
                                    height=ur.y-ll.y)
         if show_blockage_grids:
             self.set_blockages(self.blocked_grids,True)
-            grid_keys=self.rg.map.keys()
-            for g in grid_keys:
+            for g in self.rg.map:
                 self.annotate_grid(g)
 
         if show_enclosures:
-            for key in self.pin_groups.keys():
+            for key in self.pin_groups:
                 for pg in self.pin_groups[key]:
                     if not pg.enclosed:
                         continue

compiler/router/signal_grid.py

@@ -62,7 +62,8 @@ class signal_grid(grid):
         
         # We set a cost bound of the HPWL for run-time. This can be 
         # over-ridden if the route fails due to pruning a feasible solution.
-        cost_bound = detour_scale*self.cost_to_target(self.source[0])*grid.PREFERRED_COST
+        any_source_element = next(iter(self.source))
+        cost_bound = detour_scale*self.cost_to_target(any_source_element)*grid.PREFERRED_COST
 
         # Check if something in the queue is already a source and a target!
         for s in self.source:
@@ -142,10 +143,9 @@ class signal_grid(grid):
         Either point can have positive or negative coordinates. 
         Include the via penalty if there is one.
         """
-        hpwl = max(abs(src.x-dest.x),abs(dest.x-src.x))
-        hpwl += max(abs(src.y-dest.y),abs(dest.y-src.y))
-        hpwl += max(abs(src.z-dest.z),abs(dest.z-src.z))
-        if src.x!=dest.x or src.y!=dest.y:
+        hpwl = abs(src.x-dest.x)
+        hpwl += abs(src.y-dest.y)
+        if src.x!=dest.x and src.y!=dest.y:
             hpwl += grid.VIA_COST
         return hpwl
             
@@ -154,7 +154,8 @@ class signal_grid(grid):
         Find the cheapest HPWL distance to any target point ignoring 
         blockages for A* search.
         """
-        cost = self.hpwl(source,self.target[0])
+        any_target_element = next(iter(self.target))
+        cost = self.hpwl(source,any_target_element)
         for t in self.target:
             cost = min(self.hpwl(source,t),cost)
 

compiler/router/supply_grid.py

@@ -20,8 +20,8 @@ class supply_grid(signal_grid):
         
     def reinit(self):
         """ Reinitialize everything for a new route. """
-        self.source = []
-        self.target = []
+        self.source = set()
+        self.target = set()
         # Reset all the cells in the map
         for p in self.map.values():
             p.reset()

compiler/run_profile.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
-python3 -m cProfile -o profile.dat ./openram.py example_config_scn4m_subm.py -v
+python3 -m cProfile -o profile.dat ./openram.py example_configs/medium_config_scn4m_subm.py -v | tee -i medium.log
 echo "Run view_profile.py to view results"

compiler/view_profile.py

@@ -1,6 +1,9 @@
+#!/usr/bin/env python3
 import pstats
-p = pstats.Stats(‘profile.dat’)
+p = pstats.Stats("profile.dat")
 p.strip_dirs()
-p.sort_stats(‘cumulative’)
-p.print_stats(50)
+#p.sort_stats("cumulative")
+p.sort_stats("tottime")
+#p.print_stats(50)
+p.print_stats()