[SI-LIST] Re: Hspice vs. Eldo
- From: <Aubrey_Sparkman@xxxxxxxx>
- To: <scott@xxxxxxxxxxxxx>, <weirsi@xxxxxxxxxx>
- Date: Thu, 1 Nov 2007 12:14:00 -0500
In addition to Steve and Scott's comments, I would like to add two more
comments:
1) OFTEN, model accuracy is much more important than which simulator you
use.
2) If you have a choice of simulators, (you don't with encrypted models)
how important is ease of use? For instance, if one simulator costs 50%
more, but enables you to get 3 times as much done, do you care?
Aubrey Sparkman=20
Enterprise Engineering Signal Integrity Team=20
Dell, Inc.=20
Aubrey_Sparkman@xxxxxxxx=20
(512) 723-3592=20
"Discovery consists of seeing what everybody has seen and thinking what
nobody else has thought." - Jonathan Swift
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Scott McMorrow
Sent: Thursday, November 01, 2007 11:32 AM
To: weirsi@xxxxxxxxxx
Cc: fialka113@xxxxxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Hspice vs. Eldo
I'd agree with Steve. Usually encrypted models is the deal breaker.
Otherwise, Eldo is technically superior to HSPICE in the handling of
s-parameters.
Scott McMorrow
Teraspeed Consulting Group LLC
121 North River Drive
Narragansett, RI 02882
(401) 284-1827 Business
(401) 284-1840 Fax
http://www.teraspeed.com
Teraspeed(r) is the registered service mark of
Teraspeed Consulting Group LLC
steve weir wrote:
> Julia, Synopsys has two almost unassailable market advantages with
HSPICE:
>
> *A lot of models are supplied only as encrypted HSPICE models. If you
> don't have HSPICE you can't play.
> *HSPICE is used for silicon sign-off with a number of fabs.
>
> If either of the above issues are material to you, then the technical=20
> merits of one simulator versus another are moot.
>
> Steve
>
> Julia Nekrylova wrote:
> =20
>> Dear SI professionals,
>> My question is about Eldo vs. Hspice comparisson. With the former
being roughly 2 times cheaper than the later, I wonder if it offers a
similar performance. I've heard that Eldo has an improved t-line
modeling and handles S-parameters in a more advanced fashion. I just
never had a chance to work with Eldo, but pricewise it's a big
difference for a small company like ours.
>>
>> Thanks again for your help,
>> Julia Nekrylova
>>
>> 74ze Engineering
>>
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