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Subject: Re: [OMPI devel] Remove IMB 2.3 from ompi-tests?
From: Holger Mickler (holger.mickler_at_[hidden])
Date: 2009-05-28 03:10:49


Jeff Squyres wrote:
> On May 27, 2009, at 6:49 AM, Holger Mickler wrote:
>
>> would you mind sharing this patch? We'd like to test our current VT
>> version with
>> some MPI RMA code :)
>>
>
> No problem-o. I've submitted this patch upstream to Intel as well.
> Note that the patch slightly changed between 3.1 and 3.2; this is the
> 3.2 patch:
>
> --- imb/src/IMB_window.c 2008-10-21 01:17:31.000000000 -0700
> +++ IMB_3.2/src/IMB_window.c 2009-05-26 05:29:15.000000000 -0700
> @@ -140,6 +140,9 @@
> c_info->rank, 0, 1, c_info->r_data_type,
> c_info->WIN);
> MPI_ERRHAND(ierr);
> }
> + /* JMS Added a call to MPI_WIN_FENCE, per MPI-2.1 11.2.1 */
> + ierr = MPI_Win_fence(0, c_info->WIN);
> + MPI_ERRHAND(ierr);
> ierr = MPI_Win_free(&c_info->WIN);
> MPI_ERRHAND(ierr);
> }
>

Great, works fine!

>> Does anyone know of some (small) code/benchmark that uses all
>> available MPI RMA
>> functionality? As far as I see, IMB only uses fence and
>> put/get/accumulate. No
>> locks or post/wait/start/complete...
>>
>
> We have a few one-sided tests in the ompi-test repository (which I think
> Dresden has access to?), but I'm not 100% sure that they're correct...
>

Yes, we do have access. We'll try the tests and see how far we can get :)
Thanks a lot!

Holger