It could be because configure did not find the knem headers and hence knem is not supported and hence this mca parameter is read-only
My 0.2 us$ ... Dave Love <d.l...@liverpool.ac.uk>さんのメール: >Why can't I set parameters like this (not the only one) with 1.8.3? > > WARNING: A user-supplied value attempted to override the default-only MCA > variable named "btl_sm_use_knem". > >_______________________________________________ >users mailing list >us...@open-mpi.org >Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >Link to this post: >http://www.open-mpi.org/community/lists/users/2014/11/25882.php
