[Beowulf] Memory latency (was woodcrest)

For those interested in latency. I wrote a pthread based latency tester that will access N integers randomly per thread. Each member of the array is accessed once. All the numbers below are for N=1,000,000 integers. Every integer is loaded exactly once, randomly. The first number is the latenc

Re: [Beowulf] [OT] HPC and University IT - forum/mailing list?

Michael Huntingdon wrote: At 04:13 PM 8/15/2006, Mike Davis wrote: I'm not 100% sure about that Mark. I care about big-A administration. I care about showing departments what resources are actually available. I care about what is the most efficient use of limited University resources. When I

[Beowulf] Intel Trace Collector (fka Vampir) on Opteron

Today I downloaded the latest Intel Trace Collector (what used to be Vampir) This is version 6 However when I try and use it on my Opteron cluster, I get these errors: Intel Trace Collector ERROR: Unsupported Architecture Intel Trace Collector ERROR: Unsupported Architecture .. Intel's support w