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Subject: Re: windows for AMD64 - MMX not 64-bit threadsafe

Author: Eugene Nalimov

Date: 20:35:53 08/29/03

Go up one level in this thread


On August 29, 2003 at 22:58:10, Jay Urbanski wrote:

>On August 29, 2003 at 16:05:32, Eugene Nalimov wrote:
>
>>Ok, so if we are talking about what is available *right now*, not about some
>>future products:
>>
>>* Itanium2 has absoulute best FP performance, as well as absolut best SpecFP
>>rate.
>>* Xeon has very competive price / FP performance for the uniprocessor system. I
>>am not sure if Xeon or Opteron is better this week, because all depends on exact
>>prices and discounts.
>>* Opteron and Itanium2 probably have comparable price / FP performance for the
>>multi-CPU systems (SPEC FP rate for the single-CPU Itanium2 is the same as for
>>the dual-CPU Opteron, so single-CPU Itanium2 system can be 2x more expensive
>>than dual Opteron system).
>
>Yeah it could, except that it's 4X more expensive.  The list price for our 2 X
>2.0Ghz Opteron system is around $6000.  For the two-way 1.5Ghz Madison system
>that gets 30 SPEC FP rate it's $26,000.

Here is dual Itanium2/1.5GHz/6Mb L3 for ~$15k:

http://www.smb.compaq.com/MiddleFrame.asp?page=config&ProductLineId=433&FamilyId=1431&BaseId=9443&oi=E9CED&BEID=19701&SBLID=&AirTime=False

And I believe exactly such system (zx6000 with dual Itanium2/1.5GHz/6Mb L3) has
Spec FP rate of 42:

http://www.spec.org/cpu2000/results/res2003q3/cpu2000-20030630-02327.html

Thanks,
Eugene

>>For integer performance story is different, but that thread was about FP
>>performance, right? :-)
>>
>>Thanks,
>>Eugene



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