Re: [OMPI users] All_to_allv algorithm patch

2013-02-16 Thread Jeff Squyres (jsquyres)
en-mpi.org [mailto:users-boun...@open-mpi.org] >> On Behalf Of Number Cruncher >> Sent: Monday, February 04, 2013 5:19 PM >> To: Open MPI Users >> Subject: [OMPI users] All_to_allv algorithm patch >> >> I'll try running this by the mailing list again, before resign

Re: [OMPI users] All_to_allv algorithm patch

2013-02-05 Thread Iliev, Hristo
half Of Number Cruncher > Sent: Monday, February 04, 2013 5:19 PM > To: Open MPI Users > Subject: [OMPI users] All_to_allv algorithm patch > > I'll try running this by the mailing list again, before resigning myself to > maintaining this privately > > I've l

[OMPI users] All_to_allv algorithm patch

2013-02-04 Thread Number Cruncher
I'll try running this by the mailing list again, before resigning myself to maintaining this privately I've looked in detail at the current two MPI_Alltoallv algorithms and wanted to raise a couple of ideas. Firstly, the new default "pairwise" algorithm. * There is no optimisation for spa