There are 2 physical processors, each with 4 cores (no hyperthreading). I want to instruct openmpi to run only on the first processor, using 4 cores.
[hammond@node48 ~]$ cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : Quad-Core AMD Opteron(tm) Processor 2376 stepping : 2 cpu MHz : 2311.694 cache size : 512 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 4623.38 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 1 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : Quad-Core AMD Opteron(tm) Processor 2376 stepping : 2 cpu MHz : 2311.694 cache size : 512 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 4623.17 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 2 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : Quad-Core AMD Opteron(tm) Processor 2376 stepping : 2 cpu MHz : 2311.694 cache size : 512 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 4623.19 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 3 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : Quad-Core AMD Opteron(tm) Processor 2376 stepping : 2 cpu MHz : 2311.694 cache size : 512 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 4623.16 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 4 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : Quad-Core AMD Opteron(tm) Processor 2376 stepping : 2 cpu MHz : 2311.694 cache size : 512 KB physical id : 1 siblings : 4 core id : 0 cpu cores : 4 apicid : 4 initial apicid : 4 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 4623.16 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 5 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : Quad-Core AMD Opteron(tm) Processor 2376 stepping : 2 cpu MHz : 2311.694 cache size : 512 KB physical id : 1 siblings : 4 core id : 1 cpu cores : 4 apicid : 5 initial apicid : 5 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 4623.16 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 6 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : Quad-Core AMD Opteron(tm) Processor 2376 stepping : 2 cpu MHz : 2311.694 cache size : 512 KB physical id : 1 siblings : 4 core id : 2 cpu cores : 4 apicid : 6 initial apicid : 6 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 4623.17 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 7 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : Quad-Core AMD Opteron(tm) Processor 2376 stepping : 2 cpu MHz : 2311.694 cache size : 512 KB physical id : 1 siblings : 4 core id : 3 cpu cores : 4 apicid : 7 initial apicid : 7 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 4623.18 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate On Jul 16, 2012, at 4:09 PM, Elken, Tom wrote: > Anne, > > output from "cat /proc/cpuinfo" on your node "hostname" may help those > trying to answer. > > -Tom > >> -----Original Message----- >> From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On >> Behalf Of Ralph Castain >> Sent: Monday, July 16, 2012 2:47 PM >> To: Open MPI Users >> Subject: Re: [OMPI users] openmpi tar.gz for 1.6.1 or 1.6.2 >> >> I gather there are two sockets on this node? So the second cmd line is >> equivalent >> to leaving "num-sockets" off of the cmd line? >> >> I haven't tried what you are doing, so it is quite possible this is a bug. >> >> >> On Jul 16, 2012, at 1:49 PM, Anne M. Hammond wrote: >> >>> Thanks! >>> >>> Built the latest snapshot. Still getting an error when trying to run >>> on only one socket (see below): Is there a workaround? >>> >>> [hammond@node65 bin]$ ./mpirun -np 4 --num-sockets 1 --npersocket 4 >>> hostname >>> ---------------------------------------------------------------------- >>> ---- An invalid physical processor ID was returned when attempting to >>> bind an MPI process to a unique processor. >>> >>> This usually means that you requested binding to more processors than >>> exist (e.g., trying to bind N MPI processes to M processors, where N > >>> M). Double check that you have enough unique processors for all the >>> MPI processes that you are launching on this host. >>> >>> You job will now abort. >>> ---------------------------------------------------------------------- >>> ---- >>> ---------------------------------------------------------------------- >>> ---- mpirun was unable to start the specified application as it >>> encountered an error: >>> >>> Error name: Fatal >>> Node: node65.cl.corp.com >>> >>> when attempting to start process rank 0. >>> ---------------------------------------------------------------------- >>> ---- >>> 4 total processes failed to start >>> >>> >>> [hammond@node65 bin]$ ./mpirun -np 4 --num-sockets 2 --npersocket 4 >>> hostname node65.cl.corp.com node65.cl.corp.com node65.cl.corp.com >>> node65.cl.corp.com >>> [hammond@node65 bin]$ >>> >>> >>> >>> >>> On Jul 16, 2012, at 12:56 PM, Ralph Castain wrote: >>> >>>> Jeff is at the MPI Forum this week, so his answers will be delayed. Last I >> heard, it was close, but no specific date has been set. >>>> >>>> >>>> On Jul 16, 2012, at 11:49 AM, Michael E. Thomadakis wrote: >>>> >>>>> When is the expected date for the official 1.6.1 (or 1.6.2 ?) to be >>>>> available ? >>>>> >>>>> mike >>>>> >>>>> On 07/16/2012 01:44 PM, Ralph Castain wrote: >>>>>> You can get it here: >>>>>> >>>>>> http://www.open-mpi.org/nightly/v1.6/ >>>>>> >>>>>> On Jul 16, 2012, at 10:22 AM, Anne M. Hammond wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> For benchmarking, we would like to use openmpi with >>>>>>> --num-sockets 1 >>>>>>> >>>>>>> This fails in 1.6, but Bug Report #3119 indicates it is changed in >>>>>>> 1.6.1. >>>>>>> >>>>>>> Is 1.6.1 or 1.6.2 available in tar.gz form? >>>>>>> >>>>>>> Thanks! >>>>>>> Anne >>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> 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 >>>> >>> >>> Anne M. Hammond - Systems / Network Administration - Tech-X Corp >>> hammond_at_txcorp.com 720-974-1840 >>> >>> >>> >>> >>> >>> _______________________________________________ >>> 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 > Anne M. Hammond - Systems / Network Administration - Tech-X Corp hammond_at_txcorp.com 720-974-1840
