[mpich-discuss] MPI_Send and recv

[Sufeng Niu]

Thank you so much! Now I make sense

Sufeng


On Tue, Jul 2, 2013 at 5:19 PM, Pavan Balaji <balaji at mcs.anl.gov> wrote:

>
> On 07/02/2013 05:18 PM, Sufeng Niu wrote:
>
>> Thanks a lot, that is most confusing part for me in MPI. I would like to
>> clear this type of problems.
>>
>> So the blocking begins to send message to itself, but there is no
>> receive posted. Thus, the MPI block it. Am I right here?
>>
>
> Correct.
>
>
>  Thus, I need a nonblocking receive to wait the message here. Can I use
>> blocking receive?
>>
>
> If you use blocking receive, you'll block in the receive; how will you
> reach the send?
>
>  -- Pavan
>
>
> --
> 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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