Re: [OFF-TOPIC] Pentium II performance?
On 17-Feb-98 Marcelo E. Magallon wrote:
> On 16 Feb 1998, Ben Pfaff wrote:
>
>> Can you point me to the source code for the benchmark? I can run it
>> on my PII/233 for comparison if you want.
>
> and Alex Yukhimets:
>
>> Same here, only with PII/300.
>
> You can find the source code here:
>
> http://www.efis.ucr.ac.cr/~mmagallo/flops_p.c
>
> This is extracted from the flops program written by Al Burto
> (aburto@nosc.mil). This is just module 1, using 7 sums, 6 mults, 1 div.
> I think I got this from http://www.hensa.ac.uk/parallel/ or netlib.
>
> Compiling with gcc -O2 gives a bit more than 39 on the PII. Using egcc
> (1.0.1-0.3) with -mpentiumpro gives almost 40.9
What chipset are you using. The older chipsets have very bad
performance with the PII! I heard that to use the PII in it's full power you
need an LX chipset or above (?)!
---
Mario Filipe
mjnf@uevora.pt
http://neptuno.sc.uevora.pt/~mjnf
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