The description for MCA parameter “opal_cr_use_thread” is very short at URL:  http://osl.iu.edu/research/ft/ompi-cr/api.php

 

Can someone explain the usefulness of enabling this parameter vs disabling it? In other words, what are pros/cons of disabling it?

 

 I found that this gets enabled automatically when openmpi library is configured with –ft-enable-threads option.

 

Thanks

Ananda

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