[PCB_FORUM] Re: Speeding up Allegro
- From: Dave Seymour <dave.seymour@xxxxxxxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Fri, 16 Feb 2007 10:30:56 -0500
Jim,
On power nets with lots of connections,
Add the property NO_RAT.
dave
Marcel Tran wrote:
Jim,
Look for those Nets that were defined as DC nets. You may temporarily
remove this property to improve Allegro performance ...
(Logic/Identify DC nets/ ....)
Thanks and Regards,
Marcel Tran C.I.D.
IBM Corp.
Off. 919-254-1014
"J Wages" <jwages@xxxxxxxxx>
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02/16/2007 09:59 AM
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[PCB_FORUM] Speeding up Allegro
Hi folks,
Quick question and I'm pretty sure I've seen this subject floating
around before. Allegro 15.5.1
I'm nearing the end of routing a very large and dense design. I'm down
to cleaning up the power signals (3.3v & gnd...etc) and Allegro is
draggin' big time. What is the easiest way to reduce the time between
mouse clicks when hooking up these large pin count nets? Currently is
about 20 seconds minimum between clicks.
Change the shapes from dynamic to static? I've turned off the on-line
DRC, but that didn't seem to help. I know it's probably something
really obvious, but my brain has turned to mush these last couple days.
Thanx in advance.
Jim S. Wages / SR. PCB Layout Designer:
Cary, NC - H: 919-466-1596 Cell: 919-484-2963
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