More Network Locality (Netloc) progress
We announced the Network locality project at SC’13, and generated a LOT of interest (far more than I even anticipated!). As a refresher, here’s a link to a a blog entry we wrote about Netloc back in November. There is still much work to be done; we’re actively continuing work in multiple areas:
Process and memory affinity: why do you care?
I’ve written about NUMA effects and process affinity on this blog lots of times in the past. It’s a complex topic that has a lot of real-world affects on your MPI and HPC applications. If you’re not using processor and memory affinity, you’re likely experiencing performance degradation without even realizing it. In short: If you’re not booting […]