Re: [OMPI users] ScaLAPACK and OpenMPI > 1.3.1

2010-01-21 Thread Martin Siegert
Hi Nathan, On Thu, Jan 21, 2010 at 02:48:51PM -0600, Champagne, Nathan J. (JSC-EV)[Jacobs T echnology] wrote: > >We started having a problem with OpenMPI beginning with version 1.3.2 >where the program output can be correct, junk, or NaNs (result is not >predictable). The output is the

Re: [OMPI users] ScaLAPACK and OpenMPI > 1.3.1

2010-01-21 Thread Champagne, Nathan J. (JSC-EV)[Jacobs Technology]
First off, thanks for your efforts to help. >In that case i wonder what version of scalapack/blacs you are using? We are using ScaLAPACK 1.8.0 with BLACS v1.1 (with patch03).

Re: [OMPI users] ScaLAPACK and OpenMPI > 1.3.1

2010-01-21 Thread Åke Sandgren
On Thu, 2010-01-21 at 15:40 -0600, Champagne, Nathan J. (JSC-EV)[Jacobs Technology] wrote: > >What is a correct result then? > > The correct results are output by v1.3.1. The filename in the archive is > "sol_1.3.1_96.txt". > > >How often do you get junk or NaNs compared to correct result. > We

Re: [OMPI users] ScaLAPACK and OpenMPI > 1.3.1

2010-01-21 Thread Champagne, Nathan J. (JSC-EV)[Jacobs Technology]
ng a variable that's unintialized, expecting its initial value to be zero when it may not be. Nathan -Original Message- From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Åke Sandgren Sent: Thursday, January 21, 2010 3:23 PM To: Open MPI Users Subject: Re:

Re: [OMPI users] ScaLAPACK and OpenMPI > 1.3.1

2010-01-21 Thread Åke Sandgren
On Thu, 2010-01-21 at 14:48 -0600, Champagne, Nathan J. (JSC-EV)[Jacobs Technology] wrote: > We started having a problem with OpenMPI beginning with version 1.3.2 > where the program output can be correct, junk, or NaNs (result is not > predictable). The output is the solution of a matrix equation

[OMPI users] ScaLAPACK and OpenMPI > 1.3.1

2010-01-21 Thread Champagne, Nathan J. (JSC-EV)[Jacobs Technology]
We started having a problem with OpenMPI beginning with version 1.3.2 where the program output can be correct, junk, or NaNs (result is not predictable). The output is the solution of a matrix equation solved by ScaLAPACK. We are using the Intel Fortran compiler (version 11.1) and the GNU compil