SAGrid LFC Service Reinstated
After a disk crash yesterday the LFC service has been reinstated.…
More CPUs, more applications
Today we added another node to the 200 series. This brings our cluster CPU count to 100 cores. This doesn't include the GPU server as this is only being used for testing purposes. The latest server only has 4GB or…
10 years of computing
Today the combined work effort of our clusters reached 10 years worth of processing time, that is the equivalent of one processor working continuously for 10 years. We only started taking on serious workloads in April this year so while…
SuperMicro Tesla M1060 GPU System
A big-bytes thank-you to SuperMicro for having delivered a GPU system for testing. The system delivered is a SuperMicro – Tesla M1060. OS choice was Scientific Linux 5.4 x86_64. The distribution choice was chosen based on our existing HPC …
Deep sequencing of human papillomavirus
HPV infection is causally linked to cervical and other
genital cancers. The human papillomavirus (HPV) research group
at IIDMM, UCT are using next-generation sequencing (NGS) to explore the
diversity of this virus in HIV infected individuals. NGS is a powerful…Musings on Torque/PBS and OpenMPI
We've spent most of this week working on mpiBlast, and have bumped our heads against a few problems. Fortunately we have a very patient user in computational biology who's assisted in running test jobs. It's been a learning experience so…
Matlab on diet
Over the past week we became aware of an issue with Matlab and its desire to consume as many CPUs as possible. This despite the fact that we were no longer running the parallel library. This thread outlines the problem…