64bit CPUs

[Jim C. Nasby]

On Sun, May 01, 2005 at 07:34:31PM -0400, Mike Tancsa wrote:
> I havent paid that much attention to the comparisons as they tend to be 
> very windows based and games to boot.  But surely its hard to compare 
> across platforms. The CPUs require different chipsets, so some of the 
> performance results can be due to the MB and RAM.
> http://www6.tomshardware.com/cpu/20050221/prescott-10.html#synthetic
> The P4 640 3.2Ghz is about the same price at one of my suppliers as the 64 
> 3500+ and the numbers are not that different.
> 
> For me to switch to a different platform and risk stability issues there 
> would have to be some decent payoff in either cost savings or serious 
> performance differences.  I am thinking perhaps for my RADIUS accounting 
> database which is very large might benefit as I have already maxed out the 
> RAM.

>From what I've seen on the PostgreSQL lists, PostgreSQL sees a huge
(30%) performance increase on Opterons over Xeons, and other databases
see 10-15%. I haven't seen 32 bit vs 64 bit numbers, but I would expect
the increase to be even larger than Xeon to Opteron numbers.
-- 
Jim C. Nasby, Database Consultant               decibel at decibel.org 
Give your computer some brain candy! www.distributed.net Team #1828

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