[Users] Fwd: help/advice in getting optionlist working

[Comer Duncan]

I am forwarding some queries of mine on MPI to this list in hopes of
getting some help. Thanks much.
Comer

---------- Forwarded message ----------
From: Comer Duncan <comer.duncan at gmail.com>
Date: Sun, Sep 2, 2012 at 1:42 PM
Subject: Re: [Users] help/advice in getting optionlist working
To: Ian Hinder <ian.hinder at aei.mpg.de>


Ok,  I now see that NoMPI is claimed to be disabled if MPI is found.  Since
my experience seemed to be that no mpi was found, I would like to know what
to do in order to  find where mpi presence is tested for in the sim build
process and what I need to do to make sure that mpi is found on the OSC
system. As I mentioned earlier, MPI is clearly available (have used it in
several other projects but not yet einsteintoolkit).  The option list file
I have used makes explicit mention of various env variables which indicate
where to care and feed the system's mpi.  Please help.

Thanks.

Comer


On Sun, Sep 2, 2012 at 9:16 AM, Comer Duncan <comer.duncan at gmail.com> wrote:

> Hi Ian,
>
>
>> That is just the version of Cactus - what about theI rest of the ET?
>>  i.e. which thornlist did you use to download everything?
>>
>
>  Yesterday after posting my question I took another look at
> einsteintoolkit.th which was what I used when I downloaded the tool kit
> on May 26.  Lo and behold it has the following section:
>
> .
> .
> .
> CactusTest/TestTimers
> CactusTest/TestTypes
>
> #CactusUtils/Accelerator
> CactusUtils/Formaline
> CactusUtils/NaNChecker
> CactusUtils/Nice
> CactusUtils/NoMPI  <<<<<<<<<<<< !!Note?
> #CactusUtils/OpenCLRunTime
> CactusUtils/TerminationTrigger
> CactusUtils/TimerReport
>
> CactusWave/IDScalarWave
> CactusWave/IDScalarWaveC
> .
> .
> .
>
> Thus, perhaps for reasons not at all clear the noted inclusion of NoMPI
> gets in the way of  'have MPI' evaluating to true?  If this is the case,
> then commenting it would then implicitly let the build know that MPI _is_
> wanted??
>
> One would think that MPI would be wanted by default on any computing
> environment that one would want to do real computation on, with the
> exception of one's laptop or desktop I guess.
>
> Thanks.
>
> Comer
>
>>   --
>> Ian Hinder
>> http://numrel.aei.mpg.de/people/hinder
>>
>>
>
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