[mpich-discuss] MPI_Win_free failed

[Sufeng Niu]

Hi Dr. Pavan,

Thank you so much for your reply. Sorry to post the whole code.

I found out the where is the problem. due to my different communicator, 1
process doesn't create window. so I failed to free it.

Once again. Thanks a lot!

Sufeng



On Tue, Jul 23, 2013 at 6:27 PM, Pavan Balaji <balaji at mcs.anl.gov> wrote:

>
> Please send a *simple* example which demonstrates the problem.
>
> I'm almost certain it's a problem with your application and not with MPI.
>  Hence you going through the exercise of creating a simple example will
> allow you to figure out what's wrong.
>
>  -- Pavan
>
>
> On 07/23/2013 06:10 PM, Sufeng Niu wrote:
>
>> sure, no problem. but I guess svn maybe easier. since there is some
>> images file to run it. Can you use svn to clone it?
>>
>> it is: https://subversion.xray.aps.**anl.gov/detpool/SUFENGNIU/MPI_**
>> Compression<https://subversion.xray.aps.anl.gov/detpool/SUFENGNIU/MPI_Compression>
>>
>> just make, you need two terminals to run it. one terminal type:
>> ./run.perl main
>> the second terminal type: ./udp_client 55Fe_run5.tif
>>
>> which is that the first terminal send the data, the second terminal
>> receive it and process it.
>>
>> Thank you so much. Due to my limited knowledge I didn't find out where
>> is the problem.
>>
>> once again, thanks a lot!
>>
>> Sufeng
>>
>>
>> On Tue, Jul 23, 2013 at 6:00 PM, Pavan Balaji <balaji at mcs.anl.gov
>> <mailto:balaji at mcs.anl.gov>> wrote:
>>
>>
>>     Can you send us a simple program that gives this error?
>>
>>       -- Pavan
>>
>>
>>     On 07/23/2013 05:55 PM, Sufeng Niu wrote:
>>
>>         Hello,
>>
>>         I used MPI_Win_free, and it returns error code: 45, Invalid
>>         MPI_Win. I
>>         checked all my code, but I still cannot find out where is the
>>         problem. I
>>         was wondering any one can give a suggestion?
>>
>>         I defined win as
>>         MPI_Win win;
>>
>>         in RMA, I create a sub communicator: MPI_FOR_WORLD
>>         MPI_Win_create(image_buff,
>>         2*image_info->image_size*__**sizeof(uint16),
>>
>>         sizeof(uint16), MPI_INFO_NULL, MPI_FOR_WORLD, win);
>>
>>         In other MPI_FOR_WORLD process:
>>         MPI_Win_create(MPI_BOTTOM, 0, sizeof(uint16), MPI_INFO_NULL,
>>         MPI_FOR_WORLD, win);
>>
>>         I use MPI_Get, just as normal thing. no mem violation.
>>
>>         free it as
>>         MPI_Win_free(&win);
>>
>>         I still cannot figure out why it keeps saying MPI_Win_free
>>         failed. Thank
>>         you very much for any suggestions.
>>
>>         --
>>         Best Regards,
>>         Sufeng Niu
>>         ECASP lab, ECE department, Illinois Institute of Technology
>>         Tel: 312-731-7219 <tel:312-731-7219> <tel:312-731-7219
>>         <tel:312-731-7219>>
>>
>>
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>>
>>
>>     --
>>     Pavan Balaji
>>     http://www.mcs.anl.gov/~balaji
>>
>>
>>
>>
>> --
>> Best Regards,
>> Sufeng Niu
>> ECASP lab, ECE department, Illinois Institute of Technology
>> Tel: 312-731-7219
>>
>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>



-- 
Best Regards,
Sufeng Niu
ECASP lab, ECE department, Illinois Institute of Technology
Tel: 312-731-7219
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