( ESNUG 329 Item 18 ) -------------------------------------------- [9/22/99]
Subject: HW/SW Co-Design; Comparing Synopsys Eaglei vs. Mentor's Seamless
> Transwitch is interested in opinions on Seamless (Mentorgraphics) and
> Eaglei (Synopsys). Comments / Comparisons urgently needed.
>
> - Somnath Mukherji
> Transwitch
From: crad@ihgp2.ih.lucent.com ( Conrad Herse )
I've been using Seamless for sometime now (never used Eaglei, though I've
seen a foil presentation on it). Like any complex tool Seamless does have
an occasional "anomaly", but overall I've found it to perform pretty much
as advertised. The learning curve is not too painful, it does support some
special things I've needed (like memory ECC), and performance has been
acceptable. I've also been happy with the support I've been getting from
Mentor. I see no immediate need to switch to a new tool at this time.
I've also seen growing interest in the capability as it starts to prove its
value.
Of course it ain't cheap, but what's the value of hitting your market
window ....
- Conrad Herse
Lucent
---- ---- ---- ---- ---- ---- ----
From: John Cooley <jcooley@world.std.com>
Got this from the SNUG'99 Trip Report of March this year:
"We saw a real need for HW/SW co-design. We had the Mentor Seamless
and Synopsys Eaglei guys come in to pitch their tools. As a test,
we set up two teams in house using both tools. Each team consisted
of two HW engineers and one SW engineer. For a few weeks, they used
either Eaglei or Seamless to develope a PowerPC based testbench. We
then had each team switch to using the other tool. In the end, the
two tools were very close but our conclusion was to choose Mentor
Seamless because it was more mature, it allowed granular and dynamic
optimization control of memories, they had working Denali memory
models (Synopsys MemPro was yet unworkable), and it ran on HPUX
(Eaglei only runs on Suns and we're a HP house.) Price was a
non-issue because they were so close."
- Hugh Blair of Honeywell Space Systems
Hope this helps.
- John Cooley
the ESNUG guy
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