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I've been digging a little into optimization and found something that
seems counterintuitive in the way OMPI is handling components.
Specifically, if I specify a component I want used for a framework,
OMPI still does a component load and open on every component in the
framework - it only uses my specification during "select".
Thus, the cmd line
mpirun -mca routed linear
still results in the loading and opening of the direct and binomial
components - even though we have directed the framework not to use them.
This causes us to waste memory when there is no possibility of a
different component being selected. Is there a reason why "open" isn't
using the mca params to guide the components it is loading?