The issue reported in https://www.open-mpi.org/community/lists/devel/2016/06/19107.php is still present on both my little-endian Power8 and big-endian Power7 systems. I know Nathan had been working on this, but I've lost track of the issue and/or pr number(s).
-Paul -- Paul H. Hargrove phhargr...@lbl.gov Computer Languages & Systems Software (CLaSS) Group Computer Science Department Tel: +1-510-495-2352 Lawrence Berkeley National Laboratory Fax: +1-510-486-6900