Dear John, I have tested several parts. All of the time is spent by MPI_Allgather() in ::communicate_bins. It looks that I have no choice since the function is from MPICH :(.
Again, can multithread improve the performance? if it is, any advice for me? Thanks a lot. Regards, Yujie On Thu, Feb 11, 2010 at 4:19 PM, John Peterson < [email protected]> wrote: > Yujie, > > I don't understand the numbers you posted, not least of which because > the columns don't line up in my email... > > MeshCommunication is a class that does a lot of different things, is > that what you are referring to in the second column. > > How about attaching some actual perflog logs? How about adding some > additional logging to parallel_sort if that part is getting slower, > and seeing which part of it takes the longest? > > -- > John > ------------------------------------------------------------------------------ SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW http://p.sf.net/sfu/solaris-dev2dev _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
