[mpich-discuss] Un-subscribe the MPICH support mailing lists
Darius Buntinas
buntinas at mcs.anl.gov
Tue Apr 24 15:37:48 CDT 2012
Have you tried the link at the bottom of the email where it says "To manage subscription options or unsubscribe"?
-d
On Apr 24, 2012, at 3:33 PM, Chin-Jung_Chen at nal.com wrote:
> Dear All,
>
> How can I take out my email address from the subscribe list? Thanks for
> your help.
>
> Regards,
>
> James Chen
>
>
>
>
> From: Jed Brown <jedbrown at mcs.anl.gov>
> To: mpich-discuss at mcs.anl.gov
> Date: 04/24/2012 04:23 PM
> Subject: Re: [mpich-discuss] Why do predefined MPI_Ops function
> elementwise in MPI_Accumulate, but not in MPI-1 routines?
> Sent by: mpich-discuss-bounces at mcs.anl.gov
>
>
>
> On Tue, Apr 24, 2012 at 14:52, Jim Dinan <dinan at mcs.anl.gov> wrote:
> Another thing to point out is that the Accumulate behavior on complex
> data will do what you need for MPI_SUM, but it will give you the wrong
> result for MPI_PROD (product) since complex multiplication is not just
> multiplying real and imaginary parts separately.
>
> I know, MPI_Accumulate has the same problem. I don't care because I compute
> additive instead of geometric norms (and even if I did geometric norms,
> they would be computed using addition).
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