Matthieu, I see your point, if I avoid calling mpi_test or wait, there is no data transfer at all.
Sincerely Yours, Lei Shi --------- On Fri, Apr 3, 2015 at 5:17 PM, Matthieu Brucher <matthieu.bruc...@gmail.com > wrote: > If you don't need to know if the data was transferred or not, then why do > you transfer it in the first place? The schema seems kind of strange, as > you don't have any clue that the data was actually transferred. Actually > without Wait and Test, you can pretty much assume you don't transfer > anything. > > Cheers, > > Matthieu > > 2015-04-03 22:51 GMT+01:00 Lei Shi <lei...@ku.edu>: > >> Hi Jeff, >> >> Thanks for your reminder. I don't need to make sure the data is correct >> or not. I know it sounds crazy at first time, but there are some numerical >> schemes designed for this situation. I just want to call >> MPI_ISend/MPI_IRecv without calling waiting or testing but can still run my >> program smoothly. >> >> Sincerely Yours, >> >> Lei Shi >> --------- >> >> On Fri, Apr 3, 2015 at 11:52 AM, Jeff Squyres (jsquyres) < >> jsquy...@cisco.com> wrote: >> >>> On Apr 3, 2015, at 12:50 PM, Lei Shi <lei...@ku.edu> wrote: >>> > >>> > P.S. Pavan suggests me to use MPI_Request_free. I will give it a try. >>> >>> Keep in mind that you have zero indication of when a send or receive >>> completes if you MPI_Request_free (Pavan implied this, too). You could be >>> reading half a message from a prior receive, for example. >>> >>> -- >>> Jeff Squyres >>> jsquy...@cisco.com >>> For corporate legal information go to: >>> http://www.cisco.com/web/about/doing_business/legal/cri/ >>> >>> >> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2015/04/26605.php >> > > > > -- > Information System Engineer, Ph.D. > Blog: http://matt.eifelle.com > LinkedIn: http://www.linkedin.com/in/matthieubrucher > Music band: http://liliejay.com/ > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26606.php >
