On Thu, 5 Jul 2007, Mahendra Nag Jayanthi wrote: > Date: Thu, 5 Jul 2007 15:58:47 +0530 > From: Mahendra Nag Jayanthi <[EMAIL PROTECTED]> > Reply-To: <[email protected]> > To: <[email protected]> > Subject: [twincling] regd mpich cluster > > Hi, > > I have tried installing a two node Linux cluster (for computational > requirements, but not a high availability cluster). > > Environment: > > 1) OS RHEL 4 release 3 > 2) Networking Typically TCP/IP for communication > 3) Cluster software MPICH2 > > After completely deploying the mpich2 application I have run a simple c > program to chek whether really the program is distributed across the cluster > nodes for computation. But I didnot experience this. I found that the time > taken is exactly double amount of time as it takes on a standalone machine. > > My assumptions: > > 1) If I run execute program on the cluster, the mpich2 application > distributes the computation load across the all nodes of the cluster. If so > why did my sample program take double time to run? > > plz correct me if i am in a wrong assumption and suggest an application that > meets my requirements (like distribute my application across the cluster > nodes for distributed computation) > > Any suggestions. > > Thank you > Mahen >
Dear Mahen: What does your program look like ? Can you post it here ? We can discuss about this in detail on Sat, 14/7 before the TSM. It will be great to meet you after a long time. Saifi.

