[mvapich-discuss] Is this a typo in sources?

amith rajith mamidala mamidala at cse.ohio-state.edu
Tue Apr 17 10:58:35 EDT 2007


Hi Shalnov,

We have corresponded with Rajeev from ANL. The message size 81920 is not a
typo and the threshold is tuned to this size,

Thanks,
Amith
On Mon, 16 Apr 2007, amith rajith mamidala wrote:

> Hi Shalnov,
>
> Thanks for reporting this issue ! We will verify this and get back to
> you,
>
> Thanks,
> Amith
>
> On Mon, 16 Apr 2007, Shalnov, Sergey wrote:
>
> > Gentlemen,
> > I looked through sources of mvapich-0.9.9-beta2 and found one
> > interesting thing. In source file
> > $MVAPICH_BUILD_HOME/src/coll/intra_fns_new.c:36 I found following line
> > of code:
> > #define MPIR_ALLGATHER_SHORT_MSG 81920
> >
> > I believe this is a typo - I think this code should like following:
> > #define MPIR_ALLGATHER_SHORT_MSG 8192
> >
> > Thank you
> > Sergey
> >
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> >
>
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