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MPI: Barriers, intermediate output, and debugging #328

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ranocha opened this issue Nov 12, 2020 · 0 comments
Open

MPI: Barriers, intermediate output, and debugging #328

ranocha opened this issue Nov 12, 2020 · 0 comments
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parallelization Related to MPI, threading, tasks etc.

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ranocha commented Nov 12, 2020 •
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It was used to ensure that when root reports that the initial conditions have been set, all ranks have reached this point.
What could be a good way to replicate such a behavior in Taal? If we don't have a good answer right now, we should create an issue for it, since this is something I have relied on frequently in the past to debug MPI runs.

Xref #292 (comment)

There are some comments containing the link (#328) to this issue at some relevant places in the source code.
@ranocha ranocha added the parallelization Related to MPI, threading, tasks etc. label Nov 12, 2020
@ranocha ranocha mentioned this issue Nov 12, 2020
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ranocha added a commit that referenced this issue Nov 12, 2020
@ranocha
TODO notes for #328
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@ranocha ranocha changed the title MPI in Taal: Barriers, intermediate output, and debugging MPI: Barriers, intermediate output, and debugging Nov 12, 2020
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