Christian Terboven has a quick post on his experiences getting ready for a Top500 run on a Win HPC Server Harpertown cluster
One of the things that impressed me most was the job startup time. We have been using 256 nodes and as each node has eight cores, the Linpack run consists of 2048 MPI processes. On most Unix cluster I have been working so far, starting a job of that size took a reasonable amount of time, typically several minutes. On our Windows HPC Server 2008 (beta) installation, that took only a couple of seconds. Because we were so excited about that, we recorded a video.
To see the video and read more about Christian’s experiences, check out the post.