[EMAIL PROTECTED] wrote:
If I had that much money, I too would try and buy a Nobel Prize in preference
to a yacht.
D.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Lawrence Stewart
Sent: 05 December 2008 16:18
To: Robert G. Brown
Cc: Beowulf Mailing List; Lux, James P
Subject: Re: [Beowulf] Intro question
I've been to a couple of DE Shaw talks and I always come away puzzled.
It's tempting to conclude that they are just smarter than I am, but
maybe they are just wrong.
My understanding is they are building a special purpose molecular
dynamics machine because it will be far faster than a general purpose
machine programmed to do MD.
In principle this might work, if you get the problem statement right,
and you can design and build the machine before the general purpose
machines catch up, and you don't make any mistakes, and after it is
built you can keep designing new ones. In practice it always seems to
take longer than you expected and cost more, and maybe that 7 bit ALU
really has to be changed to an 8 bit ALU to keep the precision up.
The MDGrape guys might have a thing or three to say. They have been
demonstrating some pretty awesome performance for years.
--
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: [EMAIL PROTECTED]
web : http://www.scalableinformatics.com
http://jackrabbit.scalableinformatics.com
phone: +1 734 786 8423 x121
fax : +1 866 888 3112
cell : +1 734 612 4615
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