Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Crafty Mainframe or Supercomputer ports

Author: Albrecht Heeffer

Date: 03:55:10 02/06/99

Go up one level in this thread


On February 05, 1999 at 17:40:13, Dann Corbit wrote:

>Has anyone performed one?  Currently, I need S/390 MVS and RS/6000, but I may
>need many others in the near future.
>
>Anything that has already been done, I would be glad to hear of it.

I tried Crafty on the RS/6000 43P-140 last summer. I used the AIX compiler
and can't remember any significant problems. The executable can be tuned
for the architecture. The 43P I have uses a PowerPC 604 at 200 MHz. I got
best results with options -O2 -qtune=604. The performance of the PPC 604
at 200 MHz is comparable with an Intel Pentium II at 255 MHz. The current
top workstation of the RS/6000 is the 43P-150 using the PPC 604e at 375 MHz
and a faster memory subsystem with SDRAM. I estimate you can get to 215000
nps on this hardware. I hope to get my hands on a fully equiped model F50
this month, using 4 x PPC 604e at 332 MHz. I will report benchmarks for
Crafty when I get the chance to. I guess it will be possible to reach
750000 nps.

ALbrecht Heeffer




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.