Hi Ralph, I'm a litte bit late to your release.
I found a minor mistake in byobj_span -integer casting problem. --- rmaps_rr_mappers.30892.c 2014-03-01 08:31:50 +0900 +++ rmaps_rr_mappers.c 2014-03-01 08:33:22 +0900 @@ -689,7 +689,7 @@ } /* compute how many objs need an extra proc */ - if (0 > (nxtra_objs = app->num_procs - (navg * nobjs))) { + if (0 > (nxtra_objs = (int)app->num_procs - (navg * (int)nobjs))) { nxtra_objs = 0; } Tetsuya > Please take a look at https://svn.open-mpi.org/trac/ompi/ticket/4317 > > > On Feb 27, 2014, at 8:13 PM, tmish...@jcity.maeda.co.jp wrote: > > > > > > > Hi Ralph, I can't operate our cluster for a few days, sorry. > > > > But now, I'm narrowing down the cause by browsing the source code. > > > > My best guess is the line 529. The opal_hwloc_base_get_obj_by_type will > > reset the object pointer to the first one when you move on to the next > > node. > > > > 529 if (NULL == (obj = opal_hwloc_base_get_obj_by_type > > (node->topology, target, cache_level, i, OPAL_HWLOC_AVAILABLE))) { > > 530 ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND); > > 531 return ORTE_ERR_NOT_FOUND; > > 532 } > > > > if node->slots=1, then nprocs is set as nprocs=1 in the second pass: > > > > 495 nprocs = (node->slots - node->slots_inuse) / > > orte_rmaps_base.cpus_per_rank; > > 496 if (nprocs < 1) { > > 497 if (second_pass) { > > 498 /* already checked for oversubscription permission, > > so at least put > > 499 * one proc on it > > 500 */ > > 501 nprocs = 1; > > > > Therefore, opal_hwloc_base_get_obj_by_type is called one by one at each > > node, which means > > the object we get is always first one. > > > > It's not elegant but I guess you need dummy calls of > > opal_hwloc_base_get_obj_by_type to > > move the object pointer to the right place or modify > > opal_hwloc_base_get_obj_by_type itself. > > > > Tetsuya > > > >> I'm having trouble seeing why it is failing, so I added some more debug > > output. Could you run the failure case again with -mca rmaps_base_verbose > > 10? > >> > >> Thanks > >> Ralph > >> > >> On Feb 27, 2014, at 6:11 PM, tmish...@jcity.maeda.co.jp wrote: > >> > >>> > >>> > >>> Just checking the difference, not so significant meaning... > >>> > >>> Anyway, I guess it's due to the behavior when slot counts is missing > >>> (regarded as slots=1) and it's oversubscribed unintentionally. > >>> > >>> I'm going out now, so I can't verify it quickly. If I provide the > >>> correct slot counts, it wll work, I guess. How do you think? > >>> > >>> Tetsuya > >>> > >>>> "restore" in what sense? > >>>> > >>>> On Feb 27, 2014, at 4:10 PM, tmish...@jcity.maeda.co.jp wrote: > >>>> > >>>>> > >>>>> > >>>>> Hi Ralph, this is just for your information. > >>>>> > >>>>> I tried to restore previous orte_rmaps_rr_byobj. Then I gets the > > result > >>>>> below with this command line: > >>>>> > >>>>> mpirun -np 8 -host node05,node06 -report-bindings -map-by socket:pe=2 > >>>>> -display-map -bind-to core:overload-allowed > > ~/mis/openmpi/demos/myprog > >>>>> Data for JOB [31184,1] offset 0 > >>>>> > >>>>> ======================== JOB MAP ======================== > >>>>> > >>>>> Data for node: node05 Num slots: 1 Max slots: 0 Num procs: 7 > >>>>> Process OMPI jobid: [31184,1] App: 0 Process rank: 0 > >>>>> Process OMPI jobid: [31184,1] App: 0 Process rank: 2 > >>>>> Process OMPI jobid: [31184,1] App: 0 Process rank: 4 > >>>>> Process OMPI jobid: [31184,1] App: 0 Process rank: 6 > >>>>> Process OMPI jobid: [31184,1] App: 0 Process rank: 1 > >>>>> Process OMPI jobid: [31184,1] App: 0 Process rank: 3 > >>>>> Process OMPI jobid: [31184,1] App: 0 Process rank: 5 > >>>>> > >>>>> Data for node: node06 Num slots: 1 Max slots: 0 Num procs: 1 > >>>>> Process OMPI jobid: [31184,1] App: 0 Process rank: 7 > >>>>> > >>>>> ============================================================= > >>>>> [node06.cluster:18857] MCW rank 7 bound to socket 0[core 0[hwt 0]], > >>> socket > >>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>> [node05.cluster:21399] MCW rank 3 bound to socket 1[core 6[hwt 0]], > >>> socket > >>>>> 1[core 7[hwt 0]]: [./././.][././B/B] > >>>>> [node05.cluster:21399] MCW rank 4 bound to socket 0[core 0[hwt 0]], > >>> socket > >>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>> [node05.cluster:21399] MCW rank 5 bound to socket 1[core 4[hwt 0]], > >>> socket > >>>>> 1[core 5[hwt 0]]: [./././.][B/B/./.] > >>>>> [node05.cluster:21399] MCW rank 6 bound to socket 0[core 2[hwt 0]], > >>> socket > >>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>> [node05.cluster:21399] MCW rank 0 bound to socket 0[core 0[hwt 0]], > >>> socket > >>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>> [node05.cluster:21399] MCW rank 1 bound to socket 1[core 4[hwt 0]], > >>> socket > >>>>> 1[core 5[hwt 0]]: [./././.][B/B/./.] > >>>>> [node05.cluster:21399] MCW rank 2 bound to socket 0[core 2[hwt 0]], > >>> socket > >>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>> .... > >>>>> > >>>>> > >>>>> Then I add "-hostfile pbs_hosts" and the result is: > >>>>> > >>>>> [mishima@manage work]$cat pbs_hosts > >>>>> node05 slots=8 > >>>>> node06 slots=8 > >>>>> [mishima@manage work]$ mpirun -np 8 -hostfile ~/work/pbs_hosts > >>>>> -report-bindings -map-by socket:pe=2 -display-map > >>>>> ~/mis/openmpi/demos/myprog > >>>>> Data for JOB [30254,1] offset 0 > >>>>> > >>>>> ======================== JOB MAP ======================== > >>>>> > >>>>> Data for node: node05 Num slots: 8 Max slots: 0 Num procs: 4 > >>>>> Process OMPI jobid: [30254,1] App: 0 Process rank: 0 > >>>>> Process OMPI jobid: [30254,1] App: 0 Process rank: 2 > >>>>> Process OMPI jobid: [30254,1] App: 0 Process rank: 1 > >>>>> Process OMPI jobid: [30254,1] App: 0 Process rank: 3 > >>>>> > >>>>> Data for node: node06 Num slots: 8 Max slots: 0 Num procs: 4 > >>>>> Process OMPI jobid: [30254,1] App: 0 Process rank: 4 > >>>>> Process OMPI jobid: [30254,1] App: 0 Process rank: 6 > >>>>> Process OMPI jobid: [30254,1] App: 0 Process rank: 5 > >>>>> Process OMPI jobid: [30254,1] App: 0 Process rank: 7 > >>>>> > >>>>> ============================================================= > >>>>> [node05.cluster:21501] MCW rank 2 bound to socket 0[core 2[hwt 0]], > >>> socket > >>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>> [node05.cluster:21501] MCW rank 3 bound to socket 1[core 6[hwt 0]], > >>> socket > >>>>> 1[core 7[hwt 0]]: [./././.][././B/B] > >>>>> [node05.cluster:21501] MCW rank 0 bound to socket 0[core 0[hwt 0]], > >>> socket > >>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>> [node05.cluster:21501] MCW rank 1 bound to socket 1[core 4[hwt 0]], > >>> socket > >>>>> 1[core 5[hwt 0]]: [./././.][B/B/./.] > >>>>> [node06.cluster:18935] MCW rank 6 bound to socket 0[core 2[hwt 0]], > >>> socket > >>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>> [node06.cluster:18935] MCW rank 7 bound to socket 1[core 6[hwt 0]], > >>> socket > >>>>> 1[core 7[hwt 0]]: [./././.][././B/B] > >>>>> [node06.cluster:18935] MCW rank 4 bound to socket 0[core 0[hwt 0]], > >>> socket > >>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>> [node06.cluster:18935] MCW rank 5 bound to socket 1[core 4[hwt 0]], > >>> socket > >>>>> 1[core 5[hwt 0]]: [./././.][B/B/./.] > >>>>> .... > >>>>> > >>>>> > >>>>> I think previous version's behavior would be close to what I expect. > >>>>> > >>>>> Tetusya > >>>>> > >>>>>> They have 4 cores/socket and 2 sockets, totally 4 X 2 = 8 cores, > > each. > >>>>>> > >>>>>> Here is the output of lstopo. > >>>>>> > >>>>>> mishima@manage round_robin]$ rsh node05 > >>>>>> Last login: Tue Feb 18 15:10:15 from manage > >>>>>> [mishima@node05 ~]$ lstopo > >>>>>> Machine (32GB) > >>>>>> NUMANode L#0 (P#0 16GB) + Socket L#0 + L3 L#0 (6144KB) > >>>>>> L2 L#0 (512KB) + L1d L#0 (64KB) + L1i L#0 (64KB) + Core L#0 + PU L#0 > >>>>>> (P#0) > >>>>>> L2 L#1 (512KB) + L1d L#1 (64KB) + L1i L#1 (64KB) + Core L#1 + PU L#1 > >>>>>> (P#1) > >>>>>> L2 L#2 (512KB) + L1d L#2 (64KB) + L1i L#2 (64KB) + Core L#2 + PU L#2 > >>>>>> (P#2) > >>>>>> L2 L#3 (512KB) + L1d L#3 (64KB) + L1i L#3 (64KB) + Core L#3 + PU L#3 > >>>>>> (P#3) > >>>>>> NUMANode L#1 (P#1 16GB) + Socket L#1 + L3 L#1 (6144KB) > >>>>>> L2 L#4 (512KB) + L1d L#4 (64KB) + L1i L#4 (64KB) + Core L#4 + PU L#4 > >>>>>> (P#4) > >>>>>> L2 L#5 (512KB) + L1d L#5 (64KB) + L1i L#5 (64KB) + Core L#5 + PU L#5 > >>>>>> (P#5) > >>>>>> L2 L#6 (512KB) + L1d L#6 (64KB) + L1i L#6 (64KB) + Core L#6 + PU L#6 > >>>>>> (P#6) > >>>>>> L2 L#7 (512KB) + L1d L#7 (64KB) + L1i L#7 (64KB) + Core L#7 + PU L#7 > >>>>>> (P#7) > >>>>>> .... > >>>>>> > >>>>>> I foucused on byobj_span and bynode. I didn't notice byobj was > >>> modified, > >>>>>> sorry. > >>>>>> > >>>>>> Tetsuya > >>>>>> > >>>>>>> Hmmm..what does your node look like again (sockets and cores)? > >>>>>>> > >>>>>>> On Feb 27, 2014, at 3:19 PM, tmish...@jcity.maeda.co.jp wrote: > >>>>>>> > >>>>>>>> > >>>>>>>> Hi Ralph, I'm afraid to say your new "map-by obj" causes another > >>>>>> problem. > >>>>>>>> > >>>>>>>> I have overload message with this command line as shown below: > >>>>>>>> > >>>>>>>> mpirun -np 8 -host node05,node06 -report-bindings -map-by > >>> socket:pe=2 > >>>>>>>> -display-map ~/mis/openmpi/d > >>>>>>>> emos/myprog > >>>>>>>> > >>>>>> > >>>>> > >>> > > -------------------------------------------------------------------------- > >>>>>>>> A request was made to bind to that would result in binding more > >>>>>>>> processes than cpus on a resource: > >>>>>>>> > >>>>>>>> Bind to: CORE > >>>>>>>> Node: node05 > >>>>>>>> #processes: 2 > >>>>>>>> #cpus: 1 > >>>>>>>> > >>>>>>>> You can override this protection by adding the "overload-allowed" > >>>>>>>> option to your binding directive. > >>>>>>>> > >>>>>> > >>>>> > >>> > > -------------------------------------------------------------------------- > >>>>>>>> > >>>>>>>> Then, I add "-bind-to core:overload-allowed" to see what happenes. > >>>>>>>> > >>>>>>>> mpirun -np 8 -host node05,node06 -report-bindings -map-by > >>> socket:pe=2 > >>>>>>>> -display-map -bind-to core:o > >>>>>>>> verload-allowed ~/mis/openmpi/demos/myprog > >>>>>>>> Data for JOB [14398,1] offset 0 > >>>>>>>> > >>>>>>>> ======================== JOB MAP ======================== > >>>>>>>> > >>>>>>>> Data for node: node05 Num slots: 1 Max slots: 0 Num procs: > > 4 > >>>>>>>> Process OMPI jobid: [14398,1] App: 0 Process rank: 0 > >>>>>>>> Process OMPI jobid: [14398,1] App: 0 Process rank: 1 > >>>>>>>> Process OMPI jobid: [14398,1] App: 0 Process rank: 2 > >>>>>>>> Process OMPI jobid: [14398,1] App: 0 Process rank: 3 > >>>>>>>> > >>>>>>>> Data for node: node06 Num slots: 1 Max slots: 0 Num procs: > > 4 > >>>>>>>> Process OMPI jobid: [14398,1] App: 0 Process rank: 4 > >>>>>>>> Process OMPI jobid: [14398,1] App: 0 Process rank: 5 > >>>>>>>> Process OMPI jobid: [14398,1] App: 0 Process rank: 6 > >>>>>>>> Process OMPI jobid: [14398,1] App: 0 Process rank: 7 > >>>>>>>> > >>>>>>>> ============================================================= > >>>>>>>> [node06.cluster:18443] MCW rank 6 bound to socket 0[core 0[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>>>>> [node05.cluster:20901] MCW rank 2 bound to socket 0[core 0[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>>>>> [node06.cluster:18443] MCW rank 7 bound to socket 0[core 2[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>>>>> [node05.cluster:20901] MCW rank 3 bound to socket 0[core 2[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>>>>> [node06.cluster:18443] MCW rank 4 bound to socket 0[core 0[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>>>>> [node05.cluster:20901] MCW rank 0 bound to socket 0[core 0[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>>>>> [node06.cluster:18443] MCW rank 5 bound to socket 0[core 2[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>>>>> [node05.cluster:20901] MCW rank 1 bound to socket 0[core 2[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>>>>> Hello world from process 4 of 8 > >>>>>>>> Hello world from process 2 of 8 > >>>>>>>> Hello world from process 6 of 8 > >>>>>>>> Hello world from process 0 of 8 > >>>>>>>> Hello world from process 5 of 8 > >>>>>>>> Hello world from process 1 of 8 > >>>>>>>> Hello world from process 7 of 8 > >>>>>>>> Hello world from process 3 of 8 > >>>>>>>> > >>>>>>>> When I add "map-by obj:span", it works fine: > >>>>>>>> > >>>>>>>> mpirun -np 8 -host node05,node06 -report-bindings -map-by > >>>>>> socket:pe=2,span > >>>>>>>> -display-map ~/mis/ope > >>>>>>>> nmpi/demos/myprog > >>>>>>>> Data for JOB [14703,1] offset 0 > >>>>>>>> > >>>>>>>> ======================== JOB MAP ======================== > >>>>>>>> > >>>>>>>> Data for node: node05 Num slots: 1 Max slots: 0 Num procs: > > 4 > >>>>>>>> Process OMPI jobid: [14703,1] App: 0 Process rank: 0 > >>>>>>>> Process OMPI jobid: [14703,1] App: 0 Process rank: 2 > >>>>>>>> Process OMPI jobid: [14703,1] App: 0 Process rank: 1 > >>>>>>>> Process OMPI jobid: [14703,1] App: 0 Process rank: 3 > >>>>>>>> > >>>>>>>> Data for node: node06 Num slots: 1 Max slots: 0 Num procs: > > 4 > >>>>>>>> Process OMPI jobid: [14703,1] App: 0 Process rank: 4 > >>>>>>>> Process OMPI jobid: [14703,1] App: 0 Process rank: 6 > >>>>>>>> Process OMPI jobid: [14703,1] App: 0 Process rank: 5 > >>>>>>>> Process OMPI jobid: [14703,1] App: 0 Process rank: 7 > >>>>>>>> > >>>>>>>> ============================================================= > >>>>>>>> [node06.cluster:18491] MCW rank 6 bound to socket 0[core 2[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>>>>> [node05.cluster:20949] MCW rank 2 bound to socket 0[core 2[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 3[hwt 0]]: [././B/B][./././.] > >>>>>>>> [node06.cluster:18491] MCW rank 7 bound to socket 1[core 6[hwt > > 0]], > >>>>>> socket > >>>>>>>> 1[core 7[hwt 0]]: [./././.][././B/B] > >>>>>>>> [node05.cluster:20949] MCW rank 3 bound to socket 1[core 6[hwt > > 0]], > >>>>>> socket > >>>>>>>> 1[core 7[hwt 0]]: [./././.][././B/B] > >>>>>>>> [node06.cluster:18491] MCW rank 4 bound to socket 0[core 0[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>>>>> [node05.cluster:20949] MCW rank 0 bound to socket 0[core 0[hwt > > 0]], > >>>>>> socket > >>>>>>>> 0[core 1[hwt 0]]: [B/B/./.][./././.] > >>>>>>>> [node06.cluster:18491] MCW rank 5 bound to socket 1[core 4[hwt > > 0]], > >>>>>> socket > >>>>>>>> 1[core 5[hwt 0]]: [./././.][B/B/./.] > >>>>>>>> [node05.cluster:20949] MCW rank 1 bound to socket 1[core 4[hwt > > 0]], > >>>>>> socket > >>>>>>>> 1[core 5[hwt 0]]: [./././.][B/B/./.] > >>>>>>>> .... > >>>>>>>> > >>>>>>>> So, byobj_span would be okay. Of course, bynode and byslot should > > be > >>>>>> okay. > >>>>>>>> Could you take a look at orte_rmaps_rr_byobj again? > >>>>>>>> > >>>>>>>> Regards, > >>>>>>>> Tetsuya Mishima > >>>>>>>> > >>>>>>>> _______________________________________________ > >>>>>>>> users mailing list > >>>>>>>> us...@open-mpi.org > >>>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users > >>>>>>> > >>>>>>> _______________________________________________ > >>>>>>> users mailing list > >>>>>>> us...@open-mpi.org > >>>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users > >>>>>> > >>>>>> _______________________________________________ > >>>>>> users mailing list > >>>>>> us...@open-mpi.org > >>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users > >>>>> > >>>>> _______________________________________________ > >>>>> users mailing list > >>>>> us...@open-mpi.org>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users > >>>> > >>>> _______________________________________________ > >>>> users mailing list > >>>> us...@open-mpi.org > >>>> http://www.open-mpi.org/mailman/listinfo.cgi/users > >>> > >>> _______________________________________________ > >>> users mailing list > >>> us...@open-mpi.org > >>> http://www.open-mpi.org/mailman/listinfo.cgi/users > >> > >> _______________________________________________ > >> users mailing list > >> us...@open-mpi.org > >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users