<HTML><HEAD>
<META content="text/html; charset=utf-8" http-equiv=Content-Type></HEAD>
<BODY>
<DIV>
<DIV style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif">Are you suggesting using non-blocking send/recv?<BR><BR>Sent from my Windows phone</DIV></DIV>
<DIV dir=ltr>
<HR>
<SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif; FONT-WEIGHT: bold">From: </SPAN><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif"><A href="mailto:balaji@mcs.anl.gov">Pavan Balaji</A></SPAN><BR><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif; FONT-WEIGHT: bold">Sent: </SPAN><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif">12/26/2013 12:29</SPAN><BR><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif; FONT-WEIGHT: bold">To: </SPAN><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif"><A href="mailto:discuss@mpich.org">discuss@mpich.org</A></SPAN><BR><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif; FONT-WEIGHT: bold">Subject: </SPAN><SPAN style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri,sans-serif">Re: [mpich-discuss] MPI_Send/MPI_Recv - getting delayed indeffinitely</SPAN><BR><BR></DIV><BR>On Dec 25, 2013, at 8:50 PM, Madhawa Bandara <madawa911@gmail.com> wrote:<BR>> Thanks for the response. Actually I was using float as the data type in the program whereas MPI_DOUBLE is used in communication.. That has been the reason<BR><BR>Ok, great.<BR><BR>> Serializing means assigning a tag?<BR><BR>Not exactly. Serializing is probably not the correct terminology here.<BR><BR>The problem is what I described in my response. worker2 might send the message before worker1, in which case, it will have to wait for the master to receive worker1’s message and then process its message. If it’s not causing performance degradation for you, don’t worry about it.<BR><BR> — Pavan<BR><BR>--<BR>Pavan Balaji<BR>http://www.mcs.anl.gov/~balaji<BR><BR>_______________________________________________<BR>discuss mailing list discuss@mpich.org<BR>To manage subscription options or unsubscribe:<BR>https://lists.mpich.org/mailman/listinfo/discuss<BR></BODY></HTML>