From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 26 Feb 2020 21:41:14 +0000 (+0000)
Subject: more experimenting, got cell down to smallest size with "auto size detect
X-Git-Tag: partial-core-ls180-gdsii~198
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4587278ca271a5e843cc8a6525d3e1b9be8609e0;p=soclayout.git

more experimenting, got cell down to smallest size with "auto size detect
---

diff --git a/experiments5/doAlu16.py b/experiments5/doAlu16.py
index 4a99fd8..9683dd9 100755
--- a/experiments5/doAlu16.py
+++ b/experiments5/doAlu16.py
@@ -23,7 +23,9 @@ import Anabatic
 import Katana
 import Unicorn
 from   helpers   import l, u, n
+import clocktree.ClockTree
 import plugins.RSavePlugin
+import plugins.ClockTreePlugin
 import symbolic.cmos
 
 af = CRL.AllianceFramework.get()
@@ -49,15 +51,15 @@ Cfg.getParamBool      ( 'misc.verboseLevel2'          ).setBool      ( True    )
 #Cfg.getParamInt       ( 'misc.minTraceLevel'          ).setInt       ( 159     )
 #Cfg.getParamInt       ( 'misc.maxTraceLevel'          ).setInt       ( 160     )
 Cfg.getParamEnumerate ( 'etesian.effort'              ).setInt       ( 2       )
-Cfg.getParamPercentage( 'etesian.spaceMargin'         ).setPercentage( 20.0    )
+Cfg.getParamPercentage( 'etesian.spaceMargin'         ).setPercentage( 10.0    )
 Cfg.getParamPercentage( 'etesian.aspectRatio'         ).setPercentage( 100.0   )
 Cfg.getParamBool      ( 'etesian.uniformDensity'      ).setBool      ( True    )
 Cfg.getParamInt       ( 'anabatic.edgeLenght'         ).setInt       ( 24      )
 Cfg.getParamInt       ( 'anabatic.edgeWidth'          ).setInt       ( 8       )
 Cfg.getParamString    ( 'anabatic.topRoutingLayer'    ).setString    ( 'METAL5')
 Cfg.getParamInt       ( 'katana.eventsLimit'          ).setInt       ( 1000000 )
-#Cfg.getParamInt       ( 'katana.hTracksReservedLocal' ).setInt       ( 7       )
-#Cfg.getParamInt       ( 'katana.vTracksReservedLocal' ).setInt       ( 6       )
+Cfg.getParamInt       ( 'katana.hTracksReservedLocal' ).setInt       ( 7       )
+Cfg.getParamInt       ( 'katana.vTracksReservedLocal' ).setInt       ( 6       )
 #Cfg.getParamInt       ( 'clockTree.minimumSide'       ).setInt       ( l(1000) )
 
 env = af.getEnvironment()
@@ -77,6 +79,7 @@ def add ( **kw ):
   print db, dir(db)
   metal2 = DataBase.getDB().getTechnology().getLayer( 'metal2' )
   metal3 = DataBase.getDB().getTechnology().getLayer( 'metal3' )
+  metal5 = DataBase.getDB().getTechnology().getLayer( 'metal5' )
 
   ###################
   # add
@@ -89,42 +92,52 @@ def add ( **kw ):
     return False
   kw[ 'cell' ] = cell
 
-  height = 1100.0
+  width = 400.0
+  height = 350.0
 
   ab = Box( l(    0.0 )
           , l(    0.0 )
-          , l( 200.0 )
+          , l( width )
           , l( height ) )
 
+  cellGauge   = af.getCellGauge()
+  spaceMargin = (Cfg.getParamPercentage('etesian.spaceMargin').asPercentage()+5) / 100.0
+  aspectRatio =  Cfg.getParamPercentage('etesian.aspectRatio').asPercentage()    / 100.0
+  clocktree.ClockTree.computeAbutmentBox( cell, spaceMargin, aspectRatio, cellGauge )
+  ab = cell.getAbutmentBox()
+  print "calc box", ab, ab.getHeight(), ab.getWidth()
+
+  #height = ab.getHeight()
+  #width = ab.getWidth()
+
   UpdateSession.open()
   cell.setAbutmentBox( ab )
 
   for i in range(16):
     Pin.create( cell.getNet('a(%d)' % i)
               , 'a(%d).0' % i
-              , Pin.Direction.SOUTH
-              , Pin.PlacementStatus.UNPLACED
+              , Pin.Direction.NORTH
+              , Pin.PlacementStatus.FIXED
               , metal2
-              , l( 10.0*i + 5.0 ) , l( 0.0 )  # Position.
+              , l( 20.0*i + 25.0 ), l( height + 35)   # Position.
               , l( 2.0 )            , l( 2.0 )  # Size.
               )
     if True:
         Pin.create( cell.getNet('b(%d)' % i)
               , 'b(%d).0' % i
-              , Pin.Direction.SOUTH
-              , Pin.PlacementStatus.UNPLACED
-              , metal3
-              , l( 10.0*i + 10.0 ) , l( 0.0 )  # Position.
-              #,  l( 0.0 ), l( 100.0*i + 50.0 )  # Position.
+              , Pin.Direction.NORTH
+              , Pin.PlacementStatus.FIXED
+              , metal2
+              , l( 20.0*i + 20.0 ), l( height + 35)   # Position.
               , l( 2.0 )            , l( 2.0 )  # Size.
               )
     if True:
         Pin.create( cell.getNet('o(%d)' % i)
               , 'o(%d).0' % i
-              , Pin.Direction.NORTH
+              , Pin.Direction.SOUTH
               , Pin.PlacementStatus.FIXED
-              , metal3
-              , l( 10.0*i + 10.0 ) , l( height )  # Position.
+              , metal2
+              , l( 10.0*i + 100.0 ), l( 0)   # Position.
               , l( 2.0 )            , l( 2.0 )  # Size.
               )
 
@@ -148,7 +161,7 @@ def add ( **kw ):
 
   katana = Katana.KatanaEngine.create(cell)
   katana.digitalInit          ()
- #katana.runNegociatePreRouted()
+  katana.runNegociatePreRouted()
   print dir(katana)
   katana.runGlobalRouter      (0)
   katana.loadGlobalRouting    ( Anabatic.EngineLoadGrByNet )