[SI-LIST] Re: HELP!! SpecctraQuest is GOOD/BAD Tool for Boar d Level Simulation < 400 MT/s???
- From: James Freeman <James.Freeman@xxxxxxx>
- To: weirsi@xxxxxxxxxx
- Date: Wed, 23 Nov 2005 10:24:47 -0800
Hi All,
I think it is a marketing ploy to develop damaging info on a particular
tool.
Thanks
Jim Freeman
steve weir wrote:
> Julian, I don't think we are dealing with an engineer here at
> all. Engineers look for solutions. This guy is clearly looking for
> blame. I think our mystery guest is a lawyer trying to develop evidence
> for some lawsuit. Never does he ask for work-arounds to any
> problems. Never does he ask for alternative programs if SQ is not a good
> enough answer. Never does he offer a single case to back up his allegation
> that SQ is useless. But what he does do is dance, dance, dance, never
> losing sight of his theme: "Give me evidence in the form of expert testimony."
>
> First he lobs his charges that the product is unusable. Then he feigns a
> claim that he wants to be fair. First he claims he is interested in the
> tool for his own work. Then later he claims he is researching for a
> client. Hmm, he is not the originator, but he feels HE needs to be
> anonymous. Right! And the Plutoxin 7 virus kills in ten hours.
>
> But like a diligent inquisitor our mystery guest always comes back to his
> theme: "Give me evidence of a product defect." More importantly, he is
> not interested in what any issue might be large or small, specific or
> general, only that it can be "reproduced/verified", as in it has
> evidentiary value. He implores the timid: "If my obvious duplicity makes
> you feel nervous, you can slip your evidence right here under the rock I
> just crawled out from under. Just look for the one with the oozing
> stench. In the meantime, I will be billing my client $450. per
> hour. Thanks for all the fish."
>
> Don't we have some Cadence people on the reflector? I suggest they forward
> our mystery guests posts to their legal dept.
>
> Regards,
>
>
> Steve.
>
> At 10:53 AM 11/23/2005 -0500, Julian Ferry wrote:
>
>>Maybe I'll add something here too. In our SI work, we use simulators like
>>SpectraQuest (or whatever its called this week), Hspice, Pspice, Berkeley
>>spice, and Eagleware/Agilent; field solvers from Ansoft, CST, Flowmerics,
>>and a couple other vendors; and model extraction and simulation software
>
>>from TDA Systems/Tektronix, and Agilent; and some stuff of our own creation.
>
>>And I'm probably forgetting a few.
>>
>>And to be blunt: they all suck!
>>
>>Every single package has problems and issues that need to be discovered,
>>understood, and worked around. And each time there is a new rev, we have to
>>go through it all again.
>>
>>But we accept the fact that we need to use these tools, warts and all,
>>because they are the best tools currently available to us. Hopefully, six
>>months from now, they'll all be little bit better.
>>
>>Its very easy to throw stones at the negatives inherent to all packages.
>>But, at the end of the day, the benefits outweigh the frustrations, or we
>>wouldn't use them at all.
>>
>>Julian Ferry
>>High Speed Engineering Manager
>>Samtec, Inc
>>
>>
>>-----Original Message-----
>>From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
>>Behalf Of Todd Westerhoff (twesterh)
>>Sent: Wednesday, November 23, 2005 8:15 AM
>>To: si-list@xxxxxxxxxxxxx
>>Subject: [SI-LIST] Re: HELP!! SpecctraQuest is GOOD/BAD Tool for Board Level
>>Simulation < 400 MT/s???
>>
>>Mystery Guy, I'm afraid you've missed the point. All tools have bugs
>>and issues - it's just a matter of degree. We're talking about a
>>relatively small market that is using some very complex tools. Throw in
>>the fact that the problem is constantly getting more complex (speeds go
>>up), and it should be common sense that bugs and problems are going to
>>be an ongoing issue. As others have said, using these tools requires
>>experience and good judgment.
>>
>>We've seen issues that could be reproduced, and issues that couldn't be
>>reproduced - with any tool you care to name.
>>
>>If you're looking for meaningful input, I suggest you name the
>>application you're designing to (for instance, DDR2-SDRAM/533 MT/s) -
>>then ask people whether they've been successful with a particular tool
>>and if they know of any "gotchas" should be on the lookout for.
>>
>>Asking "has anyone heard of problems" via an anonymous request just has
>>a cloak-and-dagger feel to it. This is engineering, not drama.
>>
>>Happy Thanksgiving to all who celebrate it,
>>
>>Todd. =20
>>
>>
>>Todd Westerhoff
>>High Speed Design Group Manager
>>Cisco Systems
>>1414 Massachusetts Ave - Boxboro, MA - 01719 email:twesterh@xxxxxxxxx
>>ph: 978-936-2149
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
>>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>=20
>>"Always do right.
>> This will gratify some people and astonish the rest."
>>=20
>>- Mark Twain
>>
>>
>>-----Original Message-----
>>From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
>>On Behalf Of mystery guy
>>Sent: Tuesday, November 22, 2005 9:36 PM
>>To: si-list@xxxxxxxxxxxxx
>>Subject: [SI-LIST] Re: HELP!! SpecctraQuest is GOOD/BAD Tool for Board
>>Level Simulation < 400 MT/s???
>>
>>Please forgive the anonymous aspect of the request. I do not wish to
>>steer the result by way of company name/individual's name, nor do I wish
>>to embarrass the originator of the request. This is not an attempt to
>>tarnish any tool maker's reputation, and my apologies if the request
>>comes across that way. There is no intended assertion that a problem
>>exists by way of the request itself.
>> =20
>> I am asking the SI experts of the world if anyone has experienced
>>issues with SQ that would lead to concern about the results. It may be
>>the case that the answer is no and experts have been using this tool
>>quite extensively, in which case a strong assertion to this effect would
>>be in order. I am not saying that either answer is right or wrong, but
>>the request was intended to illicit candid opinions from the experts.
>> =20
>> If you have seen an issue that can be reproduced/confirmed, please
>>feel free to pass along directly if you wish to remain anonymous about
>>this topic.
>> =20
>> Thanks for your patience.
>> =20
>>Ray Anderson <ray.anderson@xxxxxxxxxx> wrote:
>> =20
>>The message posted anonymously to the list earlier today=20
>> =20
>> (deleted)
>>Regards,
>>
>>-Ray Anderson
>>(si-list admin)
>>
>>
>>
>>
>>-----Original Message-----
>>From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
>>On Behalf Of mystery guy
>>Sent: Tuesday, November 22, 2005 2:06 PM
>>To: si-list@xxxxxxxxxxxxx
>>Subject: [SI-LIST] HELP!! SpecctraQuest is GOOD/BAD Tool for Board Level
>>Simulation < 400 MT/s???
>>
>>Gurus,
>>=3D20
>>I recently heard a fellow say that SpecctraQuest is not an acceptable
>>tool for SI simulation ...........=3D20
>>
>>(remainder deleted)
>>
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>> =20
>>
>>
>> =09
>>---------------------------------
>> Yahoo! FareChase - Search multiple travel sites in one click. =20
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