[mvapich-discuss] mvapich2 1.7rc1 and 2GB transfers

[Tibor Pausz]

Hi Devendar,

a have included the small program which I used.

Best regards,
Tibor


Am 16.08.2011 16:01, schrieb Devendar Bureddy:
> Hi Tibor
>
> Thanks for using MVAPICH2.  In our testing we are able to transfer
> larger than 2GB.  The internal warning message  which you got
> indicates that there is a mismatch between send, recv buffer sizes.
> Can you please share your reproducible program, so that it will be
> easy for us to debug further.
>
> Thanks in advance
> Devendar
>
> On Tue, Aug 16, 2011 at 4:13 AM, Tibor Pausz
> <pausz at th.physik.uni-frankfurt.de> wrote:
>> Hi there
>>
>> I have installed mvapich2 1.7rc1 with this configure options
>> ./configure --enable-fc --enable-cxx --with-hwloc
>> --with-slurm=.../slurm/2.2.7 --with-rdma=gen2 --enable-shared
>> --enable-sharedlibs=gcc --with-xrc
>> Compiler Intel 11.1, Scientific Linux 5.5
>>
>> Now im trying to transfer with MPI_Ssend arrays which are larger than
>> 2GB, and a got the following message.
>> Warning! Rndv Receiver is expecting 0 Bytes But, is receiving 0 Bytes
>>
>> After that the program just hangs. I have tried "int" and "long" as type
>> of argument "count". But I have allways the same warning.
>>
>> Best regards,
>> Tibor
>> _______________________________________________
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>> mvapich-discuss at cse.ohio-state.edu
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>>

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