A. Austen wrote:
On Fri, 28 Aug 2009 10:16 -0700, "Eugene Loh"
wrote:
Big topic and actually the subject of much recent discussion. Here are
a few comments:
1) "Optimally" depends on what you're doing. A big issue is making
sure each MPI process gets as much memory bandwidth
On Fri, 28 Aug 2009 10:16 -0700, "Eugene Loh"
wrote:
> Big topic and actually the subject of much recent discussion. Here are
> a few comments:
>
> 1) "Optimally" depends on what you're doing. A big issue is making
> sure each MPI process gets as much memory bandwidth (and cache and other
>
Big topic and actually the subject of much recent discussion. Here are
a few comments:
1) "Optimally" depends on what you're doing. A big issue is making
sure each MPI process gets as much memory bandwidth (and cache and other
shared resources) as possible. This would argue that processes
Hello all.
I apologize if this has been addressed in the FAQ or on the mailing
list, but I spent a fair amount of time searching both and found no
direct answers.
I use OpenMPI, currently version 1.3.2, on an 8-way quad-core AMD
Opteron machine. So 32 cores in total. The computer runs a modern