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Subject: Re: [OMPI users] LAMA of openmpi-1.7.3 is unstable
From: Ralph Castain (rhc_at_[hidden])
Date: 2013-11-07 19:19:40


Okay, so the problem is a bug in LAMA itself. I'll file a ticket and let the LAMA folks look into it.

On Nov 7, 2013, at 4:18 PM, tmishima_at_[hidden] wrote:

>
>
> Hi Ralph,
>
> I quickly tried 2 runs:
>
> mpirun -report-bindings -bind-to core Myprog
> mpirun -machinefile pbs_hosts -np ${NPROCS} -report-bindings -bind-to core
> Myprog
>
> It works fine in both cases on node03 and node08.
>
> Regards,
> Tetsuya Mishima
>
>> What happens if you drop the LAMA request and instead run
>>
>> mpirun -report-bindings -bind-to core Myprog
>>
>> This would do the same thing - does it work? If so, then we know it is a
> problem in the LAMA mapper. If not, then it is likely a problem in a
> different section of the code.
>>
>>
>>
>> On Nov 7, 2013, at 3:43 PM, tmishima_at_[hidden] wrote:
>>
>>>
>>>
>>> Dear openmpi developers,
>>>
>>> I tried the new function LAMA of openmpi-1.7.3 and
>>> unfortunately it is not stable under my environment, which
>>> is built with torque.
>>>
>>> (1) I used 4 scripts as shown below to clarify the problem:
>>>
>>> (COMMON PART)
>>> #!/bin/sh
>>> #PBS -l nodes=node03:ppn=8 / nodes=node08:ppn=8
>>> export OMP_NUM_THREADS=1
>>> cd $PBS_O_WORKDIR
>>> cp $PBS_NODEFILE pbs_hosts
>>> NPROCS=`wc -l < pbs_hosts`
>>>
>>> (SCRIPT1)
>>> mpirun -report-bindings -mca rmaps lama -mca rmaps_lama_bind 1c Myprog
>>> (SCRIPT2)
>>> mpirun -oversubscribe -report-bindings -mca rmaps lama \
>>> -mca rmaps_lama_bind 1c Myprog
>>> (SCRITP3)
>>> mpirun -machinefile pbs_hosts -np ${NPROCS} -oversubscribe \
>>> -report-bindings -mca rmaps lama -mca rmaps_lama_bind 1c Myprog
>>> (SCRIPT4)
>>> mpirun -machinefile pbs_hosts -np ${NPROCS} -oversubscribe \
>>> -report-bindings -mca rmaps lama -mca rmaps_lama_bind 1c \
>>> -mca rmaps_lama_map Nsbnch \
>>> -mca ess ^tm -mca plm ^tm -mca ras ^tm Myprog
>>>
>>> (2) The results are as follows:
>>>
>>> NODE03(32cores) NODE08(8cores)
>>> SCRIPT1 *ERROR1 *ERROR1
>>> SCRIPT2 OK OK
>>> SCRIPT3 **ABORT OK
>>> SCRIPT4 **ABORT **ABORT
>>>
>>> (*)ERROR1 means:
>>>
> --------------------------------------------------------------------------
>>> RMaps LAMA detected oversubscription after mapping 1 of 8 processes.
>>> Since you have asked not to oversubscribe the resources the job will
> not
>>> be launched. If you would instead like to oversubscribe the resources
>>> try using the --oversubscribe option to mpirun.
>>>
> --------------------------------------------------------------------------
>>> [node08.cluster:28849] [[50428,0],0] ORTE_ERROR_LOG: Error in file
>>> rmaps_lama_module.c at line 310
>>> [node08.cluster:28849] [[50428,0],0] ORTE_ERROR_LOG: Error in file
>>> base/rmaps_base_map_job.c at line 166
>>>
>>> (**)ABORT means "stuck and no answer" until forced termination.
>>>
>>>
>>> (3) openmpi-1.7.3 configuration (with PGI compiler)
>>>
>>> ./configure \
>>> --with-tm \
>>> --with-verbs \
>>> --disable-ipv6 \
>>> CC=pgcc CFLAGS="-fast -tp k8-64e" \
>>> CXX=pgCC CXXFLAGS="-fast -tp k8-64e" \
>>> F77=pgfortran FFLAGS="-fast -tp k8-64e" \
>>> FC=pgfortran FCFLAGS="-fast -tp k8-64e"
>>>
>>>
>>> (4) Cluster information:
>>>
>>> 32 cores AMD based node(node03):
>>> Machine (126GB)
>>> Socket L#0 (32GB)
>>> NUMANode L#0 (P#0 16GB) + L3 L#0 (5118KB)
>>> 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) + L3 L#1 (5118KB)
>>> 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)
>>> Socket L#1 (32GB)
>>> NUMANode L#2 (P#6 16GB) + L3 L#2 (5118KB)
>>> L2 L#8 (512KB) + L1d L#8 (64KB) + L1i L#8 (64KB) + Core L#8 + PU
> L#8
>>> (P#8)
>>> L2 L#9 (512KB) + L1d L#9 (64KB) + L1i L#9 (64KB) + Core L#9 + PU
> L#9
>>> (P#9)
>>> L2 L#10 (512KB) + L1d L#10 (64KB) + L1i L#10 (64KB) + Core L#10 +
> PU
>>> L#10 (P#10)
>>> L2 L#11 (512KB) + L1d L#11 (64KB) + L1i L#11 (64KB) + Core L#11 +
> PU
>>> L#11 (P#11)
>>> NUMANode L#3 (P#7 16GB) + L3 L#3 (5118KB)
>>> L2 L#12 (512KB) + L1d L#12 (64KB) + L1i L#12 (64KB) + Core L#12 +
> PU
>>> L#12 (P#12)
>>> L2 L#13 (512KB) + L1d L#13 (64KB) + L1i L#13 (64KB) + Core L#13 +
> PU
>>> L#13 (P#13)
>>> L2 L#14 (512KB) + L1d L#14 (64KB) + L1i L#14 (64KB) + Core L#14 +
> PU
>>> L#14 (P#14)
>>> L2 L#15 (512KB) + L1d L#15 (64KB) + L1i L#15 (64KB) + Core L#15 +
> PU
>>> L#15 (P#15)
>>> Socket L#2 (32GB)
>>> NUMANode L#4 (P#4 16GB) + L3 L#4 (5118KB)
>>> L2 L#16 (512KB) + L1d L#16 (64KB) + L1i L#16 (64KB) + Core L#16 +
> PU
>>> L#16 (P#16)
>>> L2 L#17 (512KB) + L1d L#17 (64KB) + L1i L#17 (64KB) + Core L#17 +
> PU
>>> L#17 (P#17)
>>> L2 L#18 (512KB) + L1d L#18 (64KB) + L1i L#18 (64KB) + Core L#18 +
> PU
>>> L#18 (P#18)
>>> L2 L#19 (512KB) + L1d L#19 (64KB) + L1i L#19 (64KB) + Core L#19 +
> PU
>>> L#19 (P#19)
>>> NUMANode L#5 (P#5 16GB) + L3 L#5 (5118KB)
>>> L2 L#20 (512KB) + L1d L#20 (64KB) + L1i L#20 (64KB) + Core L#20 +
> PU
>>> L#20 (P#20)
>>> L2 L#21 (512KB) + L1d L#21 (64KB) + L1i L#21 (64KB) + Core L#21 +
> PU
>>> L#21 (P#21)
>>> L2 L#22 (512KB) + L1d L#22 (64KB) + L1i L#22 (64KB) + Core L#22 +
> PU
>>> L#22 (P#22)
>>> L2 L#23 (512KB) + L1d L#23 (64KB) + L1i L#23 (64KB) + Core L#23 +
> PU
>>> L#23 (P#23)
>>> Socket L#3 (32GB)
>>> NUMANode L#6 (P#2 16GB) + L3 L#6 (5118KB)
>>> L2 L#24 (512KB) + L1d L#24 (64KB) + L1i L#24 (64KB) + Core L#24 +
> PU
>>> L#24 (P#24)
>>> L2 L#25 (512KB) + L1d L#25 (64KB) + L1i L#25 (64KB) + Core L#25 +
> PU
>>> L#25 (P#25)
>>> L2 L#26 (512KB) + L1d L#26 (64KB) + L1i L#26 (64KB) + Core L#26 +
> PU
>>> L#26 (P#26)
>>> L2 L#27 (512KB) + L1d L#27 (64KB) + L1i L#27 (64KB) + Core L#27 +
> PU
>>> L#27 (P#27)
>>> NUMANode L#7 (P#3 16GB) + L3 L#7 (5118KB)
>>> L2 L#28 (512KB) + L1d L#28 (64KB) + L1i L#28 (64KB) + Core L#28 +
> PU
>>> L#28 (P#28)
>>> L2 L#29 (512KB) + L1d L#29 (64KB) + L1i L#29 (64KB) + Core L#29 +
> PU
>>> L#29 (P#29)
>>> L2 L#30 (512KB) + L1d L#30 (64KB) + L1i L#30 (64KB) + Core L#30 +
> PU
>>> L#30 (P#30)
>>> L2 L#31 (512KB) + L1d L#31 (64KB) + L1i L#31 (64KB) + Core L#31 +
> PU
>>> L#31 (P#31)
>>> HostBridge L#0
>>> PCIBridge
>>> PCI 14e4:1639
>>> Net L#0 "eth0"
>>> PCI 14e4:1639
>>> Net L#1 "eth1"
>>> PCIBridge
>>> PCI 14e4:1639
>>> Net L#2 "eth2"
>>> PCI 14e4:1639
>>> Net L#3 "eth3"
>>> PCIBridge
>>> PCIBridge
>>> PCIBridge
>>> PCI 1000:0072
>>> Block L#4 "sdb"
>>> Block L#5 "sda"
>>> PCI 1002:4390
>>> Block L#6 "sr0"
>>> PCIBridge
>>> PCI 102b:0532
>>> HostBridge L#7
>>> PCIBridge
>>> PCI 15b3:6274
>>> Net L#7 "ib0"
>>> OpenFabrics L#8 "mthca0"
>>>
>>> 8 cores AMD based node(node08):
>>> 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)
>>> HostBridge L#0
>>> PCI 10de:036e
>>> PCI 10de:037f
>>> Block L#0 "sda"
>>> PCI 10de:037f
>>> PCI 10de:037f
>>> PCIBridge
>>> PCI 18ca:0020
>>> PCIBridge
>>> PCI 15b3:6274
>>> Net L#1 "ib0"
>>> OpenFabrics L#2 "mthca0"
>>>
>>> Regards,
>>> Tetsuya Mishima
>>>
>>> _______________________________________________
>>> users mailing list
>>> users_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>> _______________________________________________
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>
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