Author: Gregor Overney
Date: 17:05:41 07/06/99
Go up one level in this thread
On July 06, 1999 at 12:50:15, Alain Lyrette wrote:
>Up to now the k-6 was generally the best cpu for chess programs cause of its raw
>integer strenth.So now that the k7 is almost on the market i taught that we had
>a winner here.Well although it seems like the k7 will beat the pentiun3 by a
>large margin in floatting point applications.the integer part of the cpu is
>similar to the k6.We WILL see an improvement but only because the cpu can
>actually go faster in mhz.(600 mhz and above).
"... k-6 was generally the best CPU for chess ...". - This it not correct. What
is the SpecINT95 (CINT95) for a K-6?
To give you an idea about "raw integer strength", I added a tiny list of systems
with only one CPU that are available since months on the market (source from
http://www.spec.org):
SpecINT95 SpecINT95_base
Alpha 21264/500 (DS-20) 27.7 23.6
PA-8500/440 (N4000) 34.0 30.8
PIII/550 Xeon (512 L2) 23.6 23.6 (Intel motherboard)
PIII/500 20.6 20.6 (Intel motherboard)
From AMD's recent statement:
K-7/600 SpecINT95_base estimated = 26.7 (?)
Remember, the difference between SpecINT and SpecINT_base is the level of
optimization. SpecINT95_base is the geometric mean of eight normalized ratios
when compiled with "conservative" optimization for each benchmark.
How does the K-6 outperform a PA-8500/440 in integer strength again? When
comparing CPU's, try not only to focus on Intel's offering. There are still
others out there.
Gregor
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