This weekend we passed the 10,000,000 CPU hours mark. This is the sum total of CPU hours of all clusters our users have run jobs on since 2010: Roughly the equivalent of running a single core computer for 416,000 days…
The end of another week has brought about some exciting developments in eResearch HPC. We have upgraded the series700 nodes from SLES11sp3 to SLES12. The main reason for the upgrade was to test the live patching technology called” kGraft”. HPC…
We have installed two high memory DELL R820 servers into the 800 series. Each server has four sockets with six cores of 2.4GHz each. There are also thirty two 32GB DIMMS making up 1TB of RAM, although these memory chips …
Over the past few months we’ve been referring to a new type of scheduler that we’ve been testing. We decided to move away from PBS as MAUI is no longer being maintained. The scheduler we have selected, SLURM, is …
MPI socket vs core affinity When running a MPI job you can bind your threads to either a socket or to individual cores. There is no one best solution, the choice depends completely on your task and the way it…