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Subject: Re: HW based Crafty (Boule's thesis)

Author: Tom Kerrigan

Date: 16:44:16 04/07/02

Go up one level in this thread

On April 07, 2002 at 12:50:36, Keith Evans wrote:

>Do you have any idea what the spread is? Or what this is for a recent Crafty on
>an x86? Hsu mentioned 40,000 instructions per node as typical for a high-end
>program in his IEEE Micro article, but didn't explain how he arrived at the
>number.

That is wronger than wrong. Are you sure he wasn't talking about how many
instructions it would take to implement DB's eval in software? Because even if
you assume an MPU that retires 2 instructions per cycle, that would result in a
program searching only 100k NPS on a 2GHz CPU. Programs were searching that fast
on CPUs from 7 years ago.

-Tom

• Re: HW based Crafty (Boule's thesis) Vincent Diepeveen 04:14:04 04/08/02
  • Re: HW based Crafty (Boule's thesis) Tom Kerrigan 21:33:55 04/08/02
• Re: HW based Crafty (Boule's thesis) Robert Hyatt 22:05:08 04/07/02
• Re: HW based Crafty (Boule's thesis) Keith Evans 19:39:33 04/07/02
  • Re: HW based Crafty (Boule's thesis) Vincent Diepeveen 04:12:58 04/08/02

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