[Beowulf] AMD Opteron Linpack Benchmark

[Eric W. Biederman]

"Lai Dragonfly" <poknam at gmail.com> writes:

> Hi,
> There is a rank 367 which achieve 79.97% efficiency.
>  
>  
> i'm using Infiniband to connect 2 nodes. each node has 8G memory and dual AMD
> opteron 250.
> i just tried Intel Compiler + GOTO, it just got a 60% efficiency which have a
> large difference with my target.
> maybe i need to try Pathscale or PGI compiler.
> any suggestion?
> thanks a lot.

Start with single node runs, then work you way up from there.

Eric