alliance-support '02
RE: Problem running Am2901 tutorial under Alliance 4.5.0 w/ ocp & ocr vs scr


Art (pinaar@austin.rr.com)
Tue, 5 Feb 2002 11:15:34 -0600

> -----Original Message----- > From: Hugo CLEMENT [mailto:hugo.clement@lip6.fr] > Sent: Tuesday, February 05, 2002 1:40 AM ... > Le sam 02 fév 2002, à 21:34, Art écrivit : > > Now: > > I noticed ocr under Linux would iterated about 529 times > > with "Failures" down to 12.... > Well, ocr may fail to route using only two levels of metal layer (this > is the default behavior). > > You should try to increase the number of routing layers with the -l > parameter. You can also bound the number of iterations (-i) : the amd2901 > core can be routed in less than 15 iterations (depending on the > placement and the number of layers). Thanks! I'll try this. Knowing it can be routed in 15 gives me a sense of when something's gone wrong. Art

 



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