8 node cluster help!

[kragen at pobox.com]

"mehul kochar" <makmorbi at hotmail.com> writes:
> I have an 8 node cluster and am running Redhat Linux 6.2. I have installed 
> the HPLinpack benchmark and am running it. What kind of performance should I 
> expect? The machines are Pentium III 550 MHz. I am getting a performance of 
> 0.79 GHz. That seems less. What can be the reasons? What should I do to 
> improve my performance.

What do you mean by '0.79 GHz'?