thanks I am using GNU mpic++ compiler. Does it can automatically support accessing a file by many parallel processes ?
thanks > Date: Wed, 9 Mar 2011 22:54:18 -0800 > From: n...@aol.com > To: us...@open-mpi.org > Subject: Re: [OMPI users] Open MPI access the same file in parallel ? > > On 3/9/2011 8:57 PM, David Zhang wrote: > > Under my programming environment, FORTRAN, it is possible to parallel > > read (using native read function instead of MPI's parallel read > > function). Although you'll run into problem when you try to parallel > > write to the same file. > > > > If your Fortran compiler/library are reasonably up to date, you will > need to specify action='read' as opening once with default readwrite > will lock out other processes. > -- > Tim Prince > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
