Looks like bit-rot has struck the sequential mapper support - I'll revive it for 1.8.1
On Apr 6, 2014, at 7:17 PM, Chen Bill <billchen...@gmail.com> wrote: > Hi , > > I just tried the openmpi 1.8, but I found the feature --mca rmaps seq doesn't > work. > > for example, > > >mpirun -np 4 -hostfile hostsfle --mca rmaps seq hostname > > It shows below error, > > -------------------------------------------------------------------------- > Your job failed to map. Either no mapper was available, or none > of the available mappers was able to perform the requested > mapping operation. This can happen if you request a map type > (e.g., loadbalance) and the corresponding mapper was not built. > -------------------------------------------------------------------------- > > but when I use ompi_info ,it shows has this feature > > > >ompi_info |grep -i rmaps > MCA rmaps: lama (MCA v2.0, API v2.0, Component v1.8) > MCA rmaps: mindist (MCA v2.0, API v2.0, Component v1.8) > MCA rmaps: ppr (MCA v2.0, API v2.0, Component v1.8) > MCA rmaps: rank_file (MCA v2.0, API v2.0, Component v1.8) > MCA rmaps: resilient (MCA v2.0, API v2.0, Component v1.8) > MCA rmaps: round_robin (MCA v2.0, API v2.0, Component v1.8) > MCA rmaps: seq (MCA v2.0, API v2.0, Component v1.8) > MCA rmaps: staged (MCA v2.0, API v2.0, Component v1.8) > > Any suggestions? > > Many thanks, > Bill > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users