Terry,

After the bad results on my own boards, and as I am not yet fully familiar
with DXP and the Situs settings, I didn't actually run Situs on the supplied
unrouted samples, rather I looked over the layouts that Altium provided as
completed by Situs.  It is quite shocking to see what how bad the results
are for what Altium is praising as such a big improvement.  I have yet to
hear or see any positive results from anyone who has used Situs on complex
surface mount designs.  Perhaps the decreased speed is due to more rules
being followed?  Following more rules is a good thing.  Speed didn't concern
me as much as what the board actually looked like.  Although your experience
of 4 - 8 times longer is not encouraging at all.

Rob

----- Original Message -----
From: "Terry Harris" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Saturday, August 31, 2002 11:19 AM
Subject: Re: [PEDA] Service Pack 7 vs DXP issues


> On Sat, 31 Aug 2002 03:46:51 -0400, you wrote:
>
> >I meant to add to my last post that my observations on the sample boards
> >were from the Altium SMT versions.  One is a rather mediocre board that
was
> >done with 8 layers and no planes so the power and ground were routed in
with
> >the signals.
>
> I threw Situs at a couple of the supplied examples also. First thing to
> notice is how slow it is compared to the 99SE router.
>
> I ran them side by side on 99SE examples so they would be using the same
> rules and Situs was at least 4 times (maybe it was 8 times I didn't bother
> recording results) slower.
>
> Protel had thier own router then bought out neuroroute? Or whatever it was
> called. Neuroute was a clever shape base router with diagonal routing
> layers and Protel had trouble integrating it and then I suspect trouble
> understanding it to make it any better.
>
> Watching Situs I get the impression it is a development of the old Protel
> router, or perhaps a merging of the two. Anyone else think so?
>
> Cheers, Terry.
>
> ************************************************************************
> * Tracking #: B97BBDA3607ED54B864A8682AD4FEE14BAB04E92
> *
> ************************************************************************

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