alliance-support '01
Re: scr memory consumption


Ludovic JACOMME (Ludovic.JACOMME@asim.lip6.fr)
Wed, 8 Aug 2001 15:24:33 +0200

Hi, On Mon, Aug 06, 2001 at 04:46:51PM +0000, Rolf Fiedler wrote: > Hi there, > > I am using alliance for the implementation of a processor chip > that I am doing my phd thesis on. I have a problem routing this > chip, since the scr process is using a LOT of memory. Is there > any way to estimate the memory consumption of scr? No. (as far as i know) > The design has 116128 cells and 113921 nets. It has taken up > more than 512MB before the system ran out of memory. How much > memory do I need to add? Is there a way to reduce momory consumption? Yes, you can try to use less iterations during the placement step (with the -i option) > > Thank you for a short answer. > > Kind regards, > Rolf Fiedler > > scr -p -r cpu cpu > > @@@@ @ @@@@ @ @@@@@@@ > @ @@ @@ @@ @@ @@ > @@ @ @@ @ @@ @@ > @@@ @@ @ @@ @@ > @@@@ @@ @@ @@ > @@@@ @@ @@@@@ > @@@ @@ @@ @@ > @ @@ @@ @@ @@ > @@ @@ @@ @ @@ @@ > @@@ @ @@ @@ @@ @@ > @ @@@@ @@@@ @@@@@ @@@ > > Standard Cell router > > Alliance CAD System 4.0.6, scr 5.3 > Copyright (c) 1991-2001, ASIM/LIP6/UPMC > E-mail support: alliance-support@asim.lip6.fr > > Loading logical view : cpu > *** mbk warning *** > lofigchain is missing on lofig cpu. > Placing logical view : cpu > Loading SCP data base ... > Original width : 29445 > Generating initial placement ... > 116128 cells 113921 nets in 196 rows Regards, (_) ___ Ludovic JACOMME _ _ ( ) ( ) ( ) ( 6 ) Laboratoire LIP6, Equipe ASIM ( ) (_) ( _ ) Couloir 65-66, 4eme etage Porte 405, ( )___ ( ) Universite P. et M. Curie (P6) (_____) (_) 4 place Jussieu, 75252 Paris Cedex 05 Tel: (33) 01.44.27.27.06 01.44.27.54.15 Fax: (33) 01.44.27.72.80 ICQ: 62526530 mailto: Ludovic.Jacomme@asim.lip6.fr http: //asim.lip6.fr/~ludo

 



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