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Recent changes have caused a major slowdown for setup in MPI runs. #976

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Kenneth-T-Moore opened this issue Sep 1, 2023 · 0 comments · Fixed by #977
Closed

Recent changes have caused a major slowdown for setup in MPI runs. #976

Kenneth-T-Moore opened this issue Sep 1, 2023 · 0 comments · Fixed by #977
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@robfalck @Kenneth-T-Moore
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Description

Since the parameter instrospection PR, OpenMDAO setup under MPI has been really slow, often leading to a timeout or hang on larger models.

Example

It is particularly noticeable with aviary models.

Dymos Version

1.8.1-dev

Relevant environment information

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@Kenneth-T-Moore Kenneth-T-Moore

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Fix for MPI slowdown. Kenneth-T-Moore/dymos
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@robfalck @Kenneth-T-Moore