TCP? Who cares about TCP in HPC? More and more people, actually. With the commoditization of HPC, lots of newbie HPC users are intimidated by special, one-off, traditional HPC types of networks and opt for the simplicity and universality of Ethernet. And it turns out that TCP doesn’t suck nearly as much as most (HPC) people think, particularly on modern servers, Ethernet fabrics, and powerful Ethernet NICs. I’ll cut to the chase: I surprised myself by being able to get ~10us half-round-trip ping-pong MPI latency over TCP (using NetPIPE)."Read the Full Story at the MPI Blog * Download the MP3 * Download the Slides * Subscribe on iTunes * If Dropbox is blocked, download audio from Google Drive.
Tuesday, February 19, 2013
Ethernet Secrets of TCP
In this podcast, Jeff Squyres from Cisco presents: Ethernet Secrets of TCP.