Thank you anyway, your hint was very helpful nonetheless :) I found an
executable called "lamrun" in /usr/bin, and it looks like it's the right
thing to use :)
regards,
kris
McCalla, Mac wrote:
> Sorry, I am not familiar with "yum" . My standard install process for
> LAM is download the tarball, extract it where I want it, configure it
> and make/make install to where $LAMHOME is pointing. then $LAMHOME/bin
> is in my $PATH environmental variable and I am set.
>
> HTH,
>
> mac
>
> -----Original Message-----
> From: lam-bounces_at_[hidden] [mailto:lam-bounces_at_[hidden]] On Behalf
> Of Krzysztof Bandurski
> Sent: Monday, May 19, 2008 2:16 PM
> To: General LAM/MPI mailing list
> Subject: Re: LAM: problem with mpirun - processes don't 'see' one
> another
>
> Hi,
>
> Thanks a lot, it seems that you're right, mprun points to
> /etc/alternatives/mpi-run, which in turn points to /usr/bin/orterun, and
> that, from what I see in the manual, is OpenMP's thing... I guess I have
> to find the correct lam's executable... any idea where that might be?
>
> kris
>
>
> McCalla, Mac wrote:
>
>> Hi,
>> This looks like a mixed LAM and OpenMPI environment. what does
>>
> a
>
>> "which mpirun" command show you?
>>
>> Cheers,
>>
>> Mac McCalla
>>
>> -----Original Message-----
>> From: lam-bounces_at_[hidden] [mailto:lam-bounces_at_[hidden]] On
>> Behalf Of Krzysztof Bandurski
>> Sent: Monday, May 19, 2008 1:30 PM
>> To: lam_at_[hidden]
>> Subject: LAM: problem with mpirun - processes don't 'see' one another
>>
>> Hi All,
>>
>> I used lam before, but I upgraded my system and installed fedora 8
>> from scratch. I have a dual-core athlon 64 on an nforce chipset. I
>> wanted to install some mpi environment quickly to test my parallel
>> programs on my machina at home before submitting them to the cluster
>> that I use, so I just "yummed" lam to my machine. Lamboot seems to
>> work fine, but I have a strange problem with mpirun/mpiexec.
>>
>> When I run a program using mpirun, e.g. like this:
>>
>> mpirun -np 4 testpopmpi_release <and then follow the command line
>> arguments...>
>>
>> I do get 4 processes running, but each of them sees only itself in
>> MPI_COMM_WORLD. When I run it with --display-map, I get something like
>>
>
>
>> this at the beginning of the output:
>>
>> [kris_at_nothing nnworkshop]$ mpirun --display-map -np 4
>> testpopmpi_release -packley -d300 -T0f -v1 -Dcgpr -P256
>> -Mdesa-best2bin [nothing:05733] Map for job: 1 Generated by mapping
>>
> mode: byslot
>
>> Starting vpid: 0 Vpid range: 4 Num app_contexts: 1
>> Data for app_context: index 0 app: testpopmpi_release
>> Num procs: 4
>> Argv[0]: testpopmpi_release
>> Argv[1]: -packley
>> Argv[2]: -d300
>> Argv[3]: -T0f
>> Argv[4]: -v1
>> Argv[5]: -Dcgpr
>> Argv[6]: -P256
>> Argv[7]: -Mdesa-best2bin
>> Env[0]: OMPI_MCA_rmaps_base_display_map=1
>> Env[1]:
>>
>>
> OMPI_MCA_orte_precondition_transports=444a2d3c430e64ba-6534b32b337c12e7
>
>> Env[2]: OMPI_MCA_rds=proxy
>> Env[3]: OMPI_MCA_ras=proxy
>> Env[4]: OMPI_MCA_rmaps=proxy
>> Env[5]: OMPI_MCA_pls=proxy
>> Env[6]: OMPI_MCA_rmgr=proxy
>> Working dir: /home/kris/nnworkshop (user: 0)
>> Num maps: 0
>> Num elements in nodes list: 1
>> Mapped node:
>> Cell: 0 Nodename: nothing Launch id: -1
>> Username: NULL
>> Daemon name:
>> Data type: ORTE_PROCESS_NAME Data Value:
>>
> NULL
>
>> Oversubscribed: True Num elements in procs list: 4
>> Mapped proc:
>> Proc Name:
>> Data type: ORTE_PROCESS_NAME Data Value:
>> [0,1,0]
>> Proc Rank: 0 Proc PID: 0 App_context
>> index: 0
>>
>> Mapped proc:
>> Proc Name:
>> Data type: ORTE_PROCESS_NAME Data Value:
>> [0,1,1]
>> Proc Rank: 1 Proc PID: 0 App_context
>> index: 0
>>
>> Mapped proc:
>> Proc Name:
>> Data type: ORTE_PROCESS_NAME Data Value:
>> [0,1,2]
>> Proc Rank: 2 Proc PID: 0 App_context
>> index: 0
>>
>> Mapped proc:
>> Proc Name:
>> Data type: ORTE_PROCESS_NAME Data Value:
>> [0,1,3]
>> Proc Rank: 3 Proc PID: 0 App_context
>> index: 0
>>
>> and then follows the output of my program. As you can see, lam thinks
>> that all the processes are in the same communicator (they all have
>> different ranks), but when I call MPI_Comm_rank and MPI_Comm_size in
>> my program, I always get rank == 0 and size == 1in each single process
>>
>
>
>> - needless to say, the processes can't communicate and I just have 4
>> independent copies of my program running (and printin exactly the same
>>
>
>
>> output on the terminal....). Does anyone have any idea what might be
>> going on? This is really driving me nuts, I will appreciate any hints.
>>
>> best regards,
>>
>> kris.
>>
>>
>>
>> _______________________________________________
>> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
>>
>> _______________________________________________
>> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
>>
>>
>>
>
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