Showing items from networking

The impact of network conditions on application performance is complicated.

In the search for HPC application performance, there’s more than one way to build a network. HPC applications (or “codes” as we usually call them) are often at the mercy of the network underpinning an HPC cluster. If your CPUs aren’t busy, …

How EFA works and why we don't use infiniband in the cloud.

AWS’s compute infrastructure is very much not like a ‘normal’ supercomputer (whatever that is). We don’t start with a blank page every few years and design the next big system. It’s more like a city where we have to build on what’s there …