Newsgroups: comp.parallel.mpi From: Reto Koradi Subject: send to multiple processes Organization: Swiss Federal Institute of Technology (ETHZ) Date: Tue, 25 Mar 1997 19:30:14 +0100 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <333819B6.6580@mol.biol.ethz.ch> This must be a trivial question, but I've been looking through the "Using MPI" book and online manual pages for quite some time, without finding a good answer: What is the best way to send the same message to multiple processes? The examples I saw just seem to make one MPI_Send call for each of the destinations, which looks very inefficient. MPI_Bcast doesn't cut it because it only seems to allow for synchronous communication, while I'd want the sends/receives to be asynchronous. So am I missing something obvious, or is it really necessary to make repeated calls to MPI_Send with the same message? -- Reto Koradi (kor@mol.biol.ethz.ch, http://www.mol.biol.ethz.ch/~kor)