[petsc-dev] https://developer.nvidia.com/nccl

[Junchao Zhang]

It should be renamed as NCL (NVIDIA Communications Library) as it adds
point-to-point, in addition to collectives. I am not sure whether to
implement it in petsc as none exscale machine uses nvidia GPUs.

--Junchao Zhang


On Tue, Jun 16, 2020 at 6:44 PM Matthew Knepley <knepley at gmail.com> wrote:

> It would seem to make more sense to just reverse-engineering this as
> another MPI impl.
>
>    Matt
>
> On Tue, Jun 16, 2020 at 6:22 PM Barry Smith <bsmith at petsc.dev> wrote:
>
>>
>>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20200616/a5676796/attachment.html>