[mpich-discuss] Run R script via MPICH

[Balaji, Pavan]

Riccardo,

Can you run mpirun with the --verbose option and send us the output?

Thanks,

  -- Pavan

> On Dec 30, 2014, at 4:00 PM, Riccardo Romoli <ric.romoli at gmail.com> wrote:
> 
> The error I get became from the syntax I used to run my script. Fynally I've been able to run my R script uning mpirun. This is the string I used:
> 
> $ mpirun -n 1 -hosts node02 R --slave -f /home/mpiuser/R_scripts/prova_clust.R
> 
> I get a fatal errors using R with MPI in interactive mode:
> 
> [mpiexec at master] match_arg (./utils/args/args.c:122): unrecognized argument pmi_args//
> [mpiexec at master] HYDU_parse_array (./utils/args/args.c:140): argument matching returned error//
> [mpiexec at master] parse_args (./ui/mpich/utils.c:1387): error parsing input array//
> [mpiexec at master] HYD_uii_mpx_get_parameters (./ui/mpich/utils.c:1438): unable to parse user arguments//
> 
> Usage: ./mpiexec [global opts] [exec1 local opts] : [exec2 local opts] : ...//
> 
> Please see the intructions provided at//
> http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager//
> for further details//
> 
> 
> After that R stops work.
> 
> 
> All the best, Riccardo
> 
> On 30/12/14 04:25, discuss-request at mpich.org wrote:
> 
>> Message: 4
>> Date: Mon, 22 Dec 2014 11:23:22 -0600
>> From: Kenneth Raffenetti <raffenet at mcs.anl.gov>
>> To: <discuss at mpich.org>
>> Subject: Re: [mpich-discuss] Run R script via MPICH
>> Message-ID: <5498538A.7000609 at mcs.anl.gov>
>> Content-Type: text/plain; charset="utf-8"; format=flowed
>> 
>> It seems your MPICH installation is working fine. Are you sure the error
>> is coming from MPICH? A quick google search suggests it may be a shell
>> syntax error.
>> 
>> Ken
>> 
>> On 12/22/2014 11:03 AM, Riccardo Romoli wrote:
>>> Hi my name is Riccardo, I have a linux cluster based on ubuntu with
>>> mpich2 installed. I try to run the examples:
>>> 
>>> mpiexec.hydra -f hosts -n 4 /home/mpiuser/bin/cpi
>>> 
>>> and all works. So I try to run a simple R script but I get an error:
>>> 
>>> Syntax error: word unexpected
>>> 
>>> How can I overcome this error?
>>> 
>>> Regards, Riccardo
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>> 
>> 
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--
Pavan Balaji  ✉️
http://www.mcs.anl.gov/~balaji