[Beowulf] mpirun and line buffering
Many of your questions may have already been answered in earlier discussions or in the FAQ. The search results page will indicate current discussions as well as past list serves, articles, and papers.
Ashley Pittman ashley at pittman.co.ukTue Oct 27 02:37:44 PDT 2009
- Previous message: [Beowulf] mpirun and line buffering
- Next message: [Beowulf] mpirun and line buffering
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
On Tue, 2009-10-27 at 01:24 -0400, Mark Hahn wrote: > > On the QDR IB system I have testing on, the printf from each process is not > > setlinebuf(stdout)? > maybe also due to change in mpi flavor? In my experience the resource manager is what controls this, the same binary with the same settings will produce good output on some clusters and bad on others. The only resource manager which seems to reliably not mess up output is orte, that and RMS of course. I believe most people take the route of getting rank[0] to do all the printing. Ashley, -- Ashley Pittman, Bath, UK. Padb - A parallel job inspection tool for cluster computing http://padb.pittman.org.uk
- Previous message: [Beowulf] mpirun and line buffering
- Next message: [Beowulf] mpirun and line buffering
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
More information about the Beowulf mailing list