Centos 6. We're not running cgroups. For these particular jobs, we're letting MPI choose the bindings rather than specifying the CPU binding.
For reference, the MPI latency gap we're looking at is 10x and it's over a very small number of CPU cores (about 700).
Best, Jesse On 8/21/2014 6:15 PM, Christopher Samuel wrote:
On 22/08/14 04:43, Jesse Stroik wrote:We recently noticed sporadic performance inconsistencies on one of our clusters.What distro is this? Are you using cgroups? cheers, Chris
