[mpich-discuss] MPICH interact with RTDA

[Shuwei Zhao]

Hi hui

Thank you very much for the detailed answer. I learned a lot.

Br
Shuwei


On Mon, Oct 29, 2018 at 14:51 Zhou, Hui <zhouh at anl.gov> wrote:

> Hi Shuwei,
>
> Once the proxy is started, it will be communicating to the control
> (mpiexec) and all pmi interface works as usual — i.e. nothing special.
>
> With manual mode, the responsibility of detecting launch failures is on
> you (as implied by manual mode). Your custom solution need to detect launch
> failures, then either re-launch or abort. With re-launch, as long as the
> proxy eventually start to run, hydra won’t care and function the same. If
> you decide to abort, then I guess you can simply kill hydra.
>
> —
> Hui Zhou
>
>
>
>
>
>
> On Oct 29, 2018, at 12:09 PM, Shuwei Zhao <shuweizhao1991 at gmail.com>
> wrote:
>
> Hi hui
>
> thanks for your response. I tried the manual mode on a simply hello world
> mpi application, it works as expected.
> You are pretty mind-reading. I have two follow up questions, one is that
> as you said how can we detect launch failures?
> another one is that except the launching part, all other things like fault
> tolerance, recovery, etc will be all the same under manual mode as other
> modes, nothing special under manual mode right?
>
> Thanks
> Shuwei
>
>
>
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