Hello,
Your command looks fine to me.
Can you provide the PBS submission script for the simple program you described ?
p.s. sourceforge blocked your original message as it was too large -- it was
larger than 40000 bytes.
p.s. 2: you should paste your logs on pastebin.com and link it in your mail
instead of attaching a large file.
Sébastien
http://github.com/sebhtml/ray
> ________________________________________
> De : Fedor Gusev [[email protected]]
> Date d'envoi : 15 septembre 2011 09:54
> À : [email protected]
> Objet : Ray uses only one processor?
>
> Hello every one.
>
> It seems like Ray does not use all the processors I want it to use.
>
> I am running Ray with script, which I submit to Torque
>
> -----------------------------
> #PBS -m ea
> #PBS -M [email protected]
> #PBS -lnodes=3:ppn=8
>
> . /data/software/exports
>
> cd $PBS_O_WORKDIR
>
> mpirun -np 24 Ray -o assembly_59 -k 59 -s short.fastq
> -----------------------------
>
>
> The output is from Ray contains this:
> -----------------------------
> Number of MPI ranks: 1
> Ray master MPI rank: 0
> Ray slave MPI ranks: 0-0
> -----------------------------
>
> It seems Ray does not pick up all 24 processors.
>
> A simple program called the exact same way (with mpirun and Torque)
> uses 24 processors:
> -----------------------------
> int main(int argc, char *argv[]) {
> int numprocs, rank, namelen;
> char processor_name[MPI_MAX_PROCESSOR_NAME];
>
> MPI_Init(&argc, &argv);
> MPI_Comm_size(MPI_COMM_WORLD, &numprocs);
> MPI_Comm_rank(MPI_COMM_WORLD, &rank);
> MPI_Get_processor_name(processor_name, &namelen);
>
> printf("Process %d on %s out of %d\n", rank, processor_name, numprocs);
>
> MPI_Finalize();
> }
> -----------------------------
>
> What can be the problem?
>
> --
> Kind regards,
> Fedor Gusev.
>
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