[mpich-discuss] 32-bit 64-bit at the same time with mpi: question

[Valerio Martorelli]

Hi, I've tested the following configurations:

1)compiled as 64-bit : The application starts but while a send/receive 
operation it stops. Maybe for the different mpi version

2)compiled as 32-bit: on both systems: it works

Thanks a lot

Il 24/02/2011 17.50, Jayesh Krishna ha scritto:
> Hi,
>   MPICH2 does not currently support heterogeneous systems (you cannot run an MPI job with a mix of 32-bit and 64-bit programs). Please compile myapp as a 32-bit exe on the 64-bit machine and let us know if it works for you.
>
> Regards,
> Jayesh
>
> ----- Original Message -----
> From: "Oleg Gamov"<gamov at kipt.kharkov.ua>
> To: mpich-discuss at mcs.anl.gov
> Sent: Thursday, February 24, 2011 7:50:32 AM
> Subject: Re: [mpich-discuss] 32-bit 64-bit at the same time with mpi:	question
>
>
>
>
>
> Hi Valerio,
>
>
>
> I suppose you must have the same MPICH versions for both the PCs. Consequently, the applications must be 32-bit only.
>
>
>
> Best ,
>
> Oleg
>
>
>
>
>
> From: mpich-discuss-bounces at mcs.anl.gov [mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of Valerio Martorelli
> Sent: Thursday, February 24, 2011 12:59 PM
> To: mpich-discuss at mcs.anl.gov
> Subject: [mpich-discuss] 32-bit 64-bit at the same time with mpi: question
>
>
>
> Hi guys.
> I have a question regarding this situation.
>
> I have two machines, PC32 and PC64.
> PC32 is a machine with a 32-bit OS installed , whereas PC64 has a 64-bit OS.
>
>
> My script is
>
> mpiexec -hosts 2 PC32 PC64 myapp.exe
>
> myapp.exe is the my application compiled for 32-bit on the first machine and for 64 bit on the second one.
>
> Is it possible to launch correctly the application? Or on the second machine the application must be compiled for 32-bit as well.
>
> Thanks,
> Valerio
> _______________________________________________
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> mpich-discuss at mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>

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