Re: Problems with Intel compilers for Linux and MPICH-GM

Hello, 

I did encounter similar problems while passing from versions 6 to 7 
of the Intel compilers, with almost the same combination 
of hardware/software.  I switched back to Intel 6.0 compilers.

	Dan
 
Jeff Layton wrote:
> 
> Good morning,
> 
>    I'm running my MPI code on a Linux cluster with Myrinet using
> the Intel compilers for Linux (Fortran and C) and the PGI compilers
> for Linux. I'm using both v. 7.0 of the Intel compilers. The PGI
> compilers are v. 4.0.2.
>    The cluster nodes are dual Xeon/2.4 GHz CPUs. MPICH-GM
> 1.2.4..8a was built and installed but the vendor (both for v 7.0 and
> the PGI compilers).
>    My code runs correctly using the PGI compilers and MPICH-GM.
> However, when I run using the Intel compilers, my code hits a logic
> check for the input data and exits. However, before it exits, it prints
> the rank of each process. Here's a snippet of the output:
> 
>  Before call to rg_one: myrank -1073743036
>  Error: partition with max. cells not found
>  STOPPING
> 
> I get the same rank for all of the processes (the error message
> is from my code). When I use the PGI compilers, the code runs
> normally.
>    Is this a bug in my code or in the compilers or in this version of
> MPICH-GM? (BTW, the code runs fine using the Intel compiler
> and MPI/Pro-GM).