It's not a bug - that is normal behavior. The processes are polling hard to establish the connections as quickly as possible.
On Sep 1, 2010, at 7:24 PM, lyb wrote: > Hi, All, > > I tested two sample applications on Windows 2003 Server, one use > MPI_Comm_accept and other use MPI_Comm_connect, > when run into MPI_Comm_accept or MPI_Comm_connect, the application use 100% > one cpu core. Is it a bug or some wrong? > > I tested with three version including Version 1.4 (stable), Version 1.5 > (prerelease) and trunk 23706 version. > > ... > MPI_Open_port(MPI_INFO_NULL, port); > MPI_Comm_accept( port, MPI_INFO_NULL, 0, MPI_COMM_WORLD, &client ); > ... > > ... > MPI_Comm_connect( port, MPI_INFO_NULL, 0, MPI_COMM_WORLD, &server ); > ... > > thanks a lot. > > lyb > > > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users