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

[Tibor Pausz]

Hi Devendar,

I can't apply the patch to 1.7rc1. The hunks are all rejected.

Best regards,
Tibor


Am 18.08.2011 22:59, schrieb Devendar Bureddy:
> Hi Tibor
>
> Thanks for your sample program. There is a interger over flow inside
> the library.  Can you please apply attached patch and try again.
> Please do  a "make clean" and "make && make install" after applying
> the patch.
>
> BTW, You have declared a large memory for buffer2 but not used it in
> your sample program.
>
> Thanks
> Devendar
>
> On Thu, Aug 18, 2011 at 10:26 AM, Tibor Pausz
> <pausz at th.physik.uni-frankfurt.de> wrote:
>> 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
>>>> http://mail.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
>>>>
>>
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