From: Jim Tuccillo Newsgroups: comp.parallel.mpi Subject: Re: MPI and pthreads Date: Thu, 08 Apr 1999 14:33:16 -0400 Organization: Future Services (using Airnews.net!) Message-Id: References: <7eiolf$4k9$1@finch.mathcs.emory.edu> Abuse-Reports-To: dave at atlcom.net to report improper postings NNTP-Proxy-Relay: library3 NNTP-Posting-Time: Thu Apr 8 13:48:50 1999 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Xref: ukc comp.parallel.mpi:4902 What system are you using? Can you post the code ? Paul Gray wrote: > > I would appreciate any guidance on the feasibility of running > multi-threaded processes with MPI. I've been trying to write a > simple ping-ping program which utilizes one thread for sends and one > thread for receives, but have not been successful as of yet. > > I've tried numerous variations on pthread locks and signals to > prevent simultaneous calls to MPI routines -- combined with > nonblocking send and receives -- without much luck. > > Regards, > > Paul Gray > gray@mathcs.emory.edu > Math/Computer Science Department > Emory University, Atlanta, GA > > 150 North Decatur Building > 1784 N. Decatur Rd. > Atlanta, GA 30322 -- =