[MPICH] Enabling TotalView

[Rajeev Thakur]

> When --enable-totalview is used during the configure step for 
> mpich2-1.0.2p1, does anything change for message passing? We 
> are running Linux RedHat 9 on a 5-node heterogeneous cluster. 
> Python 2.3.5 is installed.

MPICH2 doesn't support heterogeneity yet, so that may be the problem.

Rajeev


> Earlier, we had not enabled TotalView. A test case with 
> streaming data operated as expected. Now, having enabled 
> TotalView, we are getting reports of -nan and -inf after 
> accumulating sub-set results. Running the code on any one 
> node yields the expected results. In none of the tests was 
> TotalView actually activated. We just ran the tests directly, 
> as before, using mpiexec. We rebuilt the application after 
> installing the new MPICH2 on the main node and copying the 
> bin directory to all the other nodes.
> 
> Thanks for any insights you may have.
> 
> 
> Best,
> 
> Peter.
> 
>