Re: [OMPI users] No increase in performance found using two Gigabit Nics

2006-03-26 Thread Jayabrata Chakrabarty
Hi Allan, i ran hpbench on a cluster of two machines having just convetional PCI bus and i didnt find any performance improvement. On the contrary the performace degraded. I figured out it may be because conventional PCI bus (33 MHz, 32 bits) provides a bandwidth with 33x32 = 1056 Mbps, hence just

[OMPI users] No increase in performance found using two Gigabit Nics

2006-03-26 Thread Allan Menezes
On Wed, 15 Mar 2006, Allan Menezes wrote: Dear Brian, I have the same setup as Mr. Chakrbarty with 16 nodes, Oscar 4.2.1 beta 4 and two Gigabit ethernet cards with two 16 and 24 port switches one smart and the other managed. I use dhcp to get the IP addresses for one eth card(The Ip addresse