Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: G4+ branch misprediction

Author: Eugene Nalimov

Date: 10:15:25 01/30/02

Go up one level in this thread


They did not violated *any* of Spec2k rules, so submitted result is absolutely
legal.

Of course Spec now should change the rules :-)

Eugene

On January 30, 2002 at 08:27:06, Vincent Diepeveen wrote:

>On January 30, 2002 at 01:00:19, Eugene Nalimov wrote:
>
>>POWER4 is really very good processor, but you must read fine print before
>>trusting published POWER4 Spec2k results. Their wonderful submitted result is a
>>result from 8 CPUs system. Yes, only one CPU run the benchmarks, but it used
>>shared L3 caches of all the 8 CPUs – 128Mb of L3 cache total :-)
>>Eugene
>
>Wow that's major fraud, as expected!
>They didn't need RAM to run the programs anymore, this is sick!
>
>
>
>>On January 29, 2002 at 23:48:32, Tom Kerrigan wrote:
>>
>>>On January 29, 2002 at 15:30:51, Dan Andersson wrote:
>>>
>>>>Sorry! I was less that clear in my wording. I eluded to the ratio between the
>>>>pipeline lengths of the different G# CPU's. And the ratio is definitelly larger
>>>>than one, moreso due to the previous very low stage count. I also realize that
>>>>it is only one of the factors slowing it down. Ramping a low power embedded
>>>>processor is close to madness, IMO. Go MIPS Apple, gawd'dagnit!
>>>
>>>I don't think MIPS would do Apple any good. The 500MHz R14000 is about as fast
>>>as a 700MHz Pentium 3. The GHz G4s are faster than that. If Apple wants to get
>>>serious about faster computers, they need to make a deal with IBM to get a
>>>personal computer version of the POWER4. That would be awesome.
>>>
>>>-Tom



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.