>> How does bonding of 100 Mbps cards compare with Gigabit Ehternet these >> days? The cards are not all that expensive anymore, but I guess the >> network equipment still is. We got a 3Com server card for about US$ 500 >> some time ago, but I hear there are some going for less than US$ 200 now. >> > >Actually, I'm curious whether one could get low latency out of standard >100/1000 Mbps cards via bypassing the tcp stack, perhaps using >af_packet. Or is this already what linux mpi et al. use? >
You may want to look at GAMMA (http://www.disi.unige.it/project/gamma/) which reports sub-Myrinet (FM, don't know about GM yet) latencies in certain scenarios. *********************************** Kurt Keville Debian Beowulf Users Group (DeBUG) http://www.extreme-linux.com Cluster On! ***********************************
