Tahir, There are a variety of ways to create shared memory segments. I am not a Fortran expert, but do believe this is something that needs to be done from c/c++. In Open MPI we use the mmap set of routines to create the shared memory segments we use.
Rich On 5/28/07 10:21 PM, "Tahir Malas" <tma...@ee.bilkent.edu.tr> wrote: > >> > There is nothing preventing you from creating your own shared memory >> > segment >> > for use by your application. This does not impact the MPI implementation. >> > You need to make sure you take care of all the issues associated with >> > multiple procs/threads accessing the same cache lines, which can cause >> > quite >> > a bit of performance degradation, if not managed. >> > >> > Rich >> > > > > How can we create "our own shared memory segment?" Do you mean Linux System > calls? I see shmget routine, for example, but it is a C routine. Do we have > to write a fortran interface to use it? > Tahir. > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
