Are *all* the machines Sparc? Or just the 3rd one (rs0)? On Sep 3, 2012, at 12:43 PM, Siegmar Gross <siegmar.gr...@informatik.hs-fulda.de> wrote:
> Hi, > > the man page for "mpiexec" shows the following: > > cat myrankfile > rank 0=aa slot=1:0-2 > rank 1=bb slot=0:0,1 > rank 2=cc slot=1-2 > mpirun -H aa,bb,cc,dd -rf myrankfile ./a.out So that > > Rank 0 runs on node aa, bound to socket 1, cores 0-2. > Rank 1 runs on node bb, bound to socket 0, cores 0 and 1. > Rank 2 runs on node cc, bound to cores 1 and 2. > > Does it mean that the process with rank 0 should be bound to > core 0, 1, or 2 of socket 1? > > I tried to use a rankfile and have a problem. My rankfile contains > the following lines. > > rank 0=tyr.informatik.hs-fulda.de slot=0:0 > rank 1=tyr.informatik.hs-fulda.de slot=1:0 > #rank 2=rs0.informatik.hs-fulda.de slot=0:0 > > > Everything is fine if I use the file with just my local machine > (the first two lines). > > tyr small_prog 115 mpiexec -report-bindings -rf my_rankfile rank_size > [tyr.informatik.hs-fulda.de:01133] [[9849,0],0] > odls:default:fork binding child [[9849,1],0] to slot_list 0:0 > [tyr.informatik.hs-fulda.de:01133] [[9849,0],0] > odls:default:fork binding child [[9849,1],1] to slot_list 1:0 > I'm process 0 of 2 available processes running on tyr.informatik.hs-fulda.de. > MPI standard 2.1 is supported. > I'm process 1 of 2 available processes running on tyr.informatik.hs-fulda.de. > MPI standard 2.1 is supported. > tyr small_prog 116 > > > I can also change the socket number and the processes will be attached > to the correct cores. Unfortunately it doesn't work if I add one > other machine (third line). > > > tyr small_prog 112 mpiexec -report-bindings -rf my_rankfile rank_size > -------------------------------------------------------------------------- > We were unable to successfully process/set the requested processor > affinity settings: > > Specified slot list: 0:0 > Error: Cross-device link > > This could mean that a non-existent processor was specified, or > that the specification had improper syntax. > -------------------------------------------------------------------------- > [tyr.informatik.hs-fulda.de:01520] [[10212,0],0] > odls:default:fork binding child [[10212,1],0] to slot_list 0:0 > [tyr.informatik.hs-fulda.de:01520] [[10212,0],0] > odls:default:fork binding child [[10212,1],1] to slot_list 1:0 > [rs0.informatik.hs-fulda.de:12047] [[10212,0],1] > odls:default:fork binding child [[10212,1],2] to slot_list 0:0 > [tyr.informatik.hs-fulda.de:01520] [[10212,0],0] > ORTE_ERROR_LOG: A message is attempting to be sent to a process > whose contact information is unknown in file > ../../../../../openmpi-1.6/orte/mca/rml/oob/rml_oob_send.c at line 145 > [tyr.informatik.hs-fulda.de:01520] [[10212,0],0] attempted to send > to [[10212,1],0]: tag 20 > [tyr.informatik.hs-fulda.de:01520] [[10212,0],0] ORTE_ERROR_LOG: > A message is attempting to be sent to a process whose contact > information is unknown in file > ../../../../openmpi-1.6/orte/mca/odls/base/odls_base_default_fns.c > at line 2501 > -------------------------------------------------------------------------- > mpiexec was unable to start the specified application as it > encountered an error: > > Error name: Error 0 > Node: rs0.informatik.hs-fulda.de > > when attempting to start process rank 2. > -------------------------------------------------------------------------- > tyr small_prog 113 > > > > The other machine has two 8 core processors. > > tyr small_prog 121 ssh rs0 psrinfo -v > Status of virtual processor 0 as of: 09/03/2012 19:51:15 > on-line since 07/26/2012 15:03:14. > The sparcv9 processor operates at 2400 MHz, > and has a sparcv9 floating point processor. > Status of virtual processor 1 as of: 09/03/2012 19:51:15 > ... > Status of virtual processor 15 as of: 09/03/2012 19:51:15 > on-line since 07/26/2012 15:03:16. > The sparcv9 processor operates at 2400 MHz, > and has a sparcv9 floating point processor. > tyr small_prog 122 > > > > Is it necessary to specify another option on the command line or > is my rankfile faulty? Thank you very much for any suggestions in > advance. > > > Kind regards > > Siegmar > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
