Newsgroups: comp.parallel.mpi
From: Graham E Fagg <fagg@cs.utk.edu>
Subject: Re: PVMe/MPI comparison on SP2
Organization: Computer Science Dept, University of Tennessee, Knoxville
Date: Mon, 15 Apr 1996 17:25:44 -0400
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Message-ID: <Pine.SUN.3.91.960415172401.13018I-100000@artemis.cs.utk.edu>

> >Hope this information helps,
> >Weicheng Jiang
> >PVM Specialist, Hewlett Packard Co.
> >
> We also noticed PVMe on IBM SP2's performance worsen dramatically when a
> non blocking pvm_nrecv is used by polling continuously. Does any PVM and/
> or SP2 expert notice that phenomenon? 

Does this happen when using the standard PVM port using the SP2MPI version?
If so please mail me your test programs and/or results so that I can 
verify and correct it ready for next PVM patch.

thanks,
                                                                   O__
Graham.                                                            ,>/
==================================================================()=\()======
Graham E. Fagg      | Shared Memory, Message Passing & Groups | PVM+MPI->PVMPI 
Computer Science Dept |  104 Ayres Hall, Knoxville, TN 37996 | fagg@cs.utk.edu
University of Tennessee | Phone: +(423)974-3735  Fax: +(423)974-8296 \ SoftEng 
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