[Beowulf] Liinpack benchmark

Mikhail Kuzminsky kus at free.net
Tue Nov 1 08:09:39 PST 2005

In message from balamurugan <rbala at hclinsys.com> (Mon, 31 Oct 2005 
15:06:11 +0530):
>Dear all,
>Iam trying to benchmark a Xeon processor (Dual core) machine with 
>linpack (n=100) fortran code on Red Hat linux AS 4. The result gives 
>zero values for some calls. The details in the internet say that it 
>may be due to low resolution of the timing function. Can you help me 
>tuning the resolution of second function.

You should use gettimeofday()- based or RDTSC-based timer.

Mikhail Kuzminsky
Zelinsky Institute of Organic Chemistry

>Balamurugan. R
>Beowulf mailing list, Beowulf at beowulf.org
>To change your subscription (digest mode or unsubscribe) visit 

More information about the Beowulf mailing list