Re: [OMPI users] execuation time is not stable with 2 processes

2010-08-04 Thread Mark Potts
Hi, I'd opt for the fact that tv0 is given value only on rank 0 and tv1 is only given value on rank 1. Kind of hard to get a diff betwn the two on either rank with that setup. You need to determine the tv0 and tv1 on both ranks. In addition, there are a number of other errors in t

Re: [OMPI users] PGI 8.0-4 doesn't like ompi/mca/op/op.h

2009-03-12 Thread Mark Potts
All, I don't know PGI's compilers, but is it possible that since "restrict" was supposedly introduced as a C99 feature that it is not supported by default by their C compiler? This would explain the wording of the error message which indicates interpretation of "restrict" as a vari

Re: [OMPI users] Run a process double

2007-11-28 Thread Mark Potts
Henry, Apologies ahead of time for any unintended insults, but... Your "a.out" sounds like it is not truly a parallel code. If you submit a hello_world program using OpenMPI's mpirun, you will simply get two copies of "Hello World" printed to the screen. If you want the work shar