Brice Goglin, le Fri 08 Feb 2013 13:23:33 +0100, a écrit : > Le 08/02/2013 12:52, Samuel Thibault a écrit : > > svn-commit-mai...@open-mpi.org, le Fri 08 Feb 2013 12:02:18 +0100, a écrit : > >> Everything is hardwired in the backend, all nodes are the same. > > Would it be possible to check some file in /proc or /sys to identify the > > machine, to make sure we are not lying? > > There's no such filesystems on BlueGene compute nodes. The CNK kernel > redirects I/O call to the I/O node (which runs Linux). > > I can check that uname reports "CNK" and "BGQ" if you're afraid of > people running hwloc/bgq on non-bgq machines.
My concern is rather than within a few years, new BGQ machines get built with a differing architecture. Ideally we would find some identifier or version which will for sure change when IBM changes the architecture. Samuel
