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Subject: Re: [OMPI users] ERROR: too many MPI processes
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-10-19 08:08:54


I've never seen that error output before - is it coming from your program? It doesn't match anything from OMPI.

On Oct 19, 2011, at 6:04 AM, Mathieu Westphal wrote:

> Hello
>
> I'm extending a code currently working well on a server with some quadri-core.
>
> But for debugging purpose i want to execute it on my local computer.
>
> When i use the command :
>
> mpirun -np 6 -host local ./execFile
>
> i get an :
>
> ERROR: too many MPI processes
>
>
> i've tried other mpi programs, and the result is :
> if i want more than 5 mpi processes with -np , i get one error for each one over 5, for example :
>
> mpirun -np 9 -host local ./execFile
> ERROR: too many MPI processes
> ERROR: too many MPI processes
> ERROR: too many MPI processes
> ERROR: too many MPI processes
>
> I guess it correspond to each mpi processes who cannot be launched because of some kind of limitation.
>
> But i cannot find anything about it in documentation or on google.
>
>
>
> MW
>
>
>
>
> PS :
> here is my /proc/cpuinfobash-4.2$ cat /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 6
> model : 23
> model name : Pentium(R) Dual-Core CPU E6500 @ 2.93GHz
> stepping : 10
> cpu MHz : 1596.000
> cache size : 2048 KB
> physical id : 0
> siblings : 2
> core id : 0
> cpu cores : 2
> apicid : 0
> initial apicid : 0
> fpu : yes
> fpu_exception : yes
> cpuid level : 13
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm dts tpr_shadow vnmi flexpriority
> bogomips : 5851.63
> clflush size : 64
> cache_alignment : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>
> processor : 1
> vendor_id : GenuineIntel
> cpu family : 6
> model : 23
> model name : Pentium(R) Dual-Core CPU E6500 @ 2.93GHz
> stepping : 10
> cpu MHz : 1596.000
> cache size : 2048 KB
> physical id : 0
> siblings : 2
> core id : 1
> cpu cores : 2
> apicid : 1
> initial apicid : 1
> fpu : yes
> fpu_exception : yes
> cpuid level : 13
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm dts tpr_shadow vnmi flexpriority
> bogomips : 5851.69
> clflush size : 64
> cache_alignment : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>
>
>
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