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Subject: Re: [OMPI users] heterogenous cluster
From: jody (jody.xha_at_[hidden])
Date: 2011-02-02 12:16:40


Thaks all

I did the simple copying of the 32Bit applications and now it works.

Thanks
  Jody

On Wed, Feb 2, 2011 at 5:47 PM, David Mathog <mathog_at_[hidden]> wrote:
> jody <jody.xha_at_[hidden]> wrote:
>
>> How can i force OpenMPI to be built as a 32Bit application on a 64Bit
> machine?
>
> THe easiest way is not to - just copy over a build from a 32 bit
> machine, it will run on your 64 bit machine if the proper 32 bit
> libraries have been installed there.  Otherwise,  you need to put -m32
> on the gcc commmand lines.  Generally one does that by something like:
>
>  export CFLAGS=-m32
>
> before running configure to generate Makefiles.
>
> Regards,
>
>
> David Mathog
> mathog_at_[hidden]
> Manager, Sequence Analysis Facility, Biology Division, Caltech
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