Re: [OMPI users] mpirun gives error when option '--hostfiles' or '--hosts' is used

2016-05-04 Thread jody
that line from triops' rules, restarted iptables and now communication works in all directions! Thank You Jody On Tue, May 3, 2016 at 7:00 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> wrote: > Have you disabled firewalls between these machines? > > > On May 3, 2016, at 11

Re: [OMPI users] mpirun gives error when option '--hostfiles' or '--hosts' is used

2016-05-03 Thread jody
is caused by: ... -- - Again, i can call mpirun on triops from kraken und all squid_XX without a problem... What could cause this problem? Thank You Jody On Tue, May 3, 2016 at 2:54 PM, Jeff Squyres (jsquyres) <js

Re: [OMPI users] run a program

2014-02-26 Thread jody
=running Jody On Wed, Feb 26, 2014 at 10:38 AM, raha khalili <khadije.khal...@gmail.com>wrote: > Dear Jody > > Thank you for your reply. Based on hostfile examples you show me, I > understand 'slots' is number of cpus of each node I mentioned in the file, > am I true? > >

Re: [OMPI users] run a program

2014-02-26 Thread jody
Hi I think you should use the "--host" or "--hostfile" options: http://www.open-mpi.org/faq/?category=running#simple-spmd-run http://www.open-mpi.org/faq/?category=running#mpirun-host Hope this helps Jody On Wed, Feb 26, 2014 at 8:31 AM, raha khalili <khadije.

Re: [OMPI users] MPI send recv confusion

2013-02-18 Thread jody
It is better if you accept messages from all senders (MPI_ANY_SOURCE) instead of particular ranks and then check where the message came from by examining the status fields (http://www.mpi-forum.org/docs/mpi22-report/node47.htm) Hope this helps Jody On Mon, Feb 18, 2013 at 5:06 PM, Pradeep Jha

Re: [OMPI users] mpi job is blocked

2012-09-25 Thread jody
processes made it to this point and which ones did not. Hope this helps a bit Jody On Tue, Sep 25, 2012 at 8:20 AM, Richard <codemon...@163.com> wrote: > I have 3 computers with the same Linux system. I have setup the mpi cluster > based on ssh connection. > I have tested a very sim

Re: [OMPI users] deprecated MCA parameter

2012-08-28 Thread jody
Thanks Ralph I renamed the parameter in my script, and now there are no more ugly messages :) Jody On Tue, Aug 28, 2012 at 3:17 PM, Ralph Castain <r...@open-mpi.org> wrote: > Ah, I see - yeah, the parameter technically is being renamed to > "orte_rsh_agent" to avoid hav

[OMPI users] deprecated MCA parameter

2012-08-28 Thread jody
quot;ssh -Y"' i can't open windows from the remote: jody@boss /mnt/data1/neander $ mpirun -np 5 -hostfile allhosts -mca plm_base_verbose 1 --leave-session-attached xterm -hold -e ./MPIStruct xterm: Xt error: Can't open display: xterm: DISPLAY is not set xterm: Xt error: Can't open dis

Re: [OMPI users] MPI_Irecv: Confusion with <> inputy parameter

2012-08-21 Thread jody
unt". If you expect data of 160 bytes you have to allocate a buffer with a size greater or equal to 160 and you have to set your "count" parameter to the size you allocated. If you want to receive data in chunks, you have to send it in chunks. I hope this helps Jody On Tue

Re: [OMPI users] Sharing (not copying) data with OpenMPI?

2012-04-17 Thread jody
for the creation of the large data block), but unfortunately my main application is not well suited for OpenMP parallelization.. I guess i'll have to take more detailed look at my problem to see if i can restructure it in a good way... Thank You Jody On Mon, Apr 16, 2012 at 11:16 PM, Brian Austin

[OMPI users] Sharing (not copying) data with OpenMPI?

2012-04-16 Thread jody
for reading by the processes? Thank You Jody

Re: [OMPI users] (no subject)

2012-03-16 Thread jody
Hi Did you run your program with mpirun? For example: mpirun -np 4 ./a.out jody On Fri, Mar 16, 2012 at 7:24 AM, harini.s .. <hharin...@gmail.com> wrote: > Hi , > > I am very new to openMPI and I just installed openMPI 4.1.5 on Linux > platform. Now am trying t

[OMPI users] MPI_Intercomm_create hangs

2012-01-23 Thread jody
Hi I've got a really strange problem: I've got an application which creates intercommunicators between a master and some workers. When i run it on our cluster with 11 processes it works, when i run it with 12 processes it hangs inside MPI_Intercomm_create(). This is the hostfile:

Re: [OMPI users] Passwordless ssh

2011-12-21 Thread jody
Hi You also must make sure that all slaves can connect via ssh to each other and to the master node without ssh. Jody On Wed, Dec 21, 2011 at 3:57 AM, Shaandar Nyamtulga <nyam...@hotmail.com> wrote: > Can you clarify your answer please. > I have one master node and other slave node

Re: [OMPI users] Error using hostfile

2011-07-09 Thread jody
sessions on your nodes, you can execute mpirun --hostfile hostfile -np 4 printenv and scan the output for PATH and LD_LIBRARY_PATH. Hope this helps Jody On Sat, Jul 9, 2011 at 12:25 AM, Mohan, Ashwin <ashmo...@seas.wustl.edu> wrote: > Thanks Ralph. > > > > I have emai

Re: [OMPI users] a question about mpirun

2011-07-07 Thread jody
//www.open-mpi.org/faq/?category=running#run-prereqs) Hope this helps Jody On Thu, Jul 7, 2011 at 8:44 AM, zhuangchao <freeo...@163.com> wrote: > hello all : > >    I  installed  the openmpi-1.4.3  on redhat as the following step : > >    1.  ./configure  --prefix=/dat

Re: [OMPI users] data types and alignment to word boundary

2011-06-30 Thread jody
if i had read that chapter more carefully... Fortunately, i don't have to send around a lot of these structs, so i will do the padding (using the offsetof macro Dave recommended). Thanks again Jody On Wed, Jun 29, 2011 at 9:52 PM, Gus Correa <g...@ldeo.columbia.edu> wrote: > Hi Jody

[OMPI users] data types and alignment to word boundary

2011-06-29 Thread jody
it up to the next multiple of 8 i could work around this problem. (not very nice, and very probably not portable) My question: is there a way to tell MPI to automatically use the required padding? Thank You Jody

Re: [OMPI users] problems with the -xterm option

2011-05-03 Thread jody
, Ralph Castain <r...@open-mpi.org> wrote: > > On May 2, 2011, at 8:21 AM, jody wrote: > >> Hi >> Well, the difference is that one time i call the application >> 'HelloMPI' with the '--xterm' option, >> whereas in my previous mail i am calling the application '

Re: [OMPI users] problems with the -xterm option

2011-05-02 Thread jody
Hi Well, the difference is that one time i call the application 'HelloMPI' with the '--xterm' option, whereas in my previous mail i am calling the application 'xterm' (without the '--xterm' option) Jody On Mon, May 2, 2011 at 4:08 PM, Ralph Castain <r...@open-mpi.org> wrote: > > On

Re: [OMPI users] problems with the -xterm option

2011-05-02 Thread jody
will open xterms, but with ' -mca plm_base_verbose 0' there are again no xterms. Thank You Jody On Mon, May 2, 2011 at 2:29 PM, Ralph Castain <r...@open-mpi.org> wrote: > > On May 2, 2011, at 2:34 AM, jody wrote: > >> Hi Ralph >> >> I rebuilt open MPI 1.4.2 with the

Re: [OMPI users] problems with the -xterm option

2011-05-02 Thread jody
Hi Ralph I rebuilt open MPI 1.4.2 with the debug option on both chefli and squid_0. The results are interesting! I wrote a small HelloMPI app which basically calls usleep for a pause of 5 seconds. Now calling it as i did before, no MPI errors appear anymore, only the display problems: jody

Re: [OMPI users] problems with the -xterm option

2011-04-28 Thread jody
Hi Ralph Thank you for your suggestions. I'll be happy to help you. I'm not sure if i'll get around to this tomorrow, but i certainly will do so on Monday. Thanks Jody On Thu, Apr 28, 2011 at 11:53 PM, Ralph Castain <r...@open-mpi.org> wrote: > Hi Jody > > I'm not sure when I'

Re: [OMPI users] problems with the -xterm option

2011-04-28 Thread jody
Hi Unfortunately this does not solve my problem. While i can do ssh -Y squid_0 xterm and this will open an xterm on m,y machiine (chefli), i run into problems with the -xterm option of openmpi: jody@chefli ~/share/neander $ mpirun -np 4 -mca plm_rsh_agent "ssh -Y" -host squid_0

Re: [OMPI users] problems with the -xterm option

2011-04-28 Thread jody
Hi Ralph Is there an easy way i could modify the OpenMPI code so that it would use the -Y option for ssh when connecting to remote machines? Thank You Jody On Thu, Apr 7, 2011 at 4:01 PM, jody <jody@gmail.com> wrote: > Hi Ralph > thank you for your suggestions. After some

Re: [OMPI users] problems with the -xterm option

2011-04-07 Thread jody
xauth warnings) But the xterm option still doesn't work: jody@chefli ~/share/neander $ mpirun -np 4 -host squid_0 -xterm 1,2 printenv | grep WORLD_RANK Warning: untrusted X11 forwarding setup failed: xauth key data not generated Warning: No xauth data; using fake authentication data for X11

Re: [OMPI users] problems with the -xterm option

2011-04-06 Thread jody
Hi Ralph No, after the above error message mpirun has exited. But i also noticed that it is to ssh into squid_0 and open a xterm there: jody@chefli ~/share/neander $ ssh -Y squid_0 Last login: Wed Apr 6 17:14:02 CEST 2011 from chefli.uzh.ch on pts/0 jody@squid_0 ~ $ xterm xterm Xt error

[OMPI users] problems with the -xterm option

2011-04-05 Thread jody
xauth data (as far as i know): On the remote (squid_0): jody@squid_0 ~ $ xauth list chefli/unix:10 MIT-MAGIC-COOKIE-1 5293e179bc7b2036d87cbcdf14891d0c chefli/unix:0 MIT-MAGIC-COOKIE-1 146c7f438fab79deb8a8a7df242b6f4b chefli.uzh.ch:0 MIT-MAGIC-COOKIE-1 146c7f438fab79deb8a8a7df242b6

Re: [OMPI users] WRF Problem running in Parallel

2011-02-22 Thread jody
Hi At a first glance i would say this is not a OpenMPI problem, but a wrf problem (though io must admit i have no knowledge whatsoever ith wrf) Have you tried running a single instance of wrf.exe? Have you tried to run a simple application (like a "hello world") on your nodes? Jody O

Re: [OMPI users] calling a customized MPI_Allreduce with MPI_PACKED datatype

2011-02-06 Thread jody
Hi Massimo Just to make sure: usually the MPI_ERR_TUNCATE error is caused by buffer sizes that are too small. Can you verify that the buffers you are using are large enough to hold the data they should receive? Jody On Sat, Feb 5, 2011 at 6:37 PM, Massimo Cafaro <massimo.caf...@unisalento

Re: [OMPI users] heterogenous cluster

2011-02-02 Thread jody
Thaks all I did the simple copying of the 32Bit applications and now it works. Thanks Jody On Wed, Feb 2, 2011 at 5:47 PM, David Mathog <mat...@caltech.edu> wrote: > jody <jody@gmail.com> wrote: > >> How can i force OpenMPI to be built as a 32Bit applicat

Re: [OMPI users] heterogenous cluster

2011-02-02 Thread jody
successfully; not able to guarantee that all other processes were killed! I think this is caused by the fact that on the 64Bit machine Open MPI is also built as a 64 bit application. How can i force OpenMPI to be built as a 32Bit application on a 64Bit machine? Thank You Jody On Tue, Feb 1, 2011

[OMPI users] heterogenous cluster

2011-02-01 Thread jody
- is there a way to find this out? Thank You Jody

Re: [OMPI users] [SPAM:### 83%] problem when compiling ompenmpi V1.5.1

2010-12-16 Thread jody
Hi if i rememmber correctly, "omp.h" is a header file for OpenMP which is not the same as Open MPI. So it looks like you have to install OpenMP, Then you can compile it with the compiler option -fopenmp (in gcc) Jody On Thu, Dec 16, 2010 at 11:56 AM, Bernard Secher - SFME/LGLS &l

Re: [OMPI users] Guaranteed run rank 0 on a given machine?

2010-12-12 Thread jody
irun -np 5 --rankfile `rankcreate.sh 5` myApplication May be this is of use for you jody On Fri, Dec 10, 2010 at 11:50 PM, Eugene Loh <eugene@oracle.com> wrote: > David Mathog wrote: > >> Also, in my limited testing --host and -hostfile seem to be mutually >> exc

Re: [OMPI users] message truncated error

2010-11-02 Thread jody
sis. jody On Mon, Nov 1, 2010 at 6:41 PM, Jack Bryan <dtustud...@hotmail.com> wrote: > thanks > I use > double* recvArray  = new double[buffersize]; > The receive buffer size > MPI::COMM_WORLD.Recv(&(recvDataArray[0]), xVSize, MPI_DOUBLE, 0, mytaskTag); > delete [] re

Re: [OMPI users] link problem on 64bit platform

2010-11-02 Thread jody
: jody@aim-squid_0 ~/progs $ mpiCC -g -o HelloMPI HelloMPI.cpp Cannot open configuration file /opt/openmpi-1.4.2-64/share/openmpi/mpiCC-wrapper-data.txt Error parsing data file mpiCC: Not found So again, it looked into the original installation directory of the 64-bit installation for some files So

[OMPI users] link problem on 64bit platform

2010-11-01 Thread jody
Hi On a newly installed 64bit linux (2.6.32-gentoo-r7) with gcc version 4.4.4 i can't compile even simple Open-MPI applications (OpenMPI 1.4.2). The message is: jody@aim-squid_0 ~/progs $ mpiCC -g -o HelloMPI HelloMPI.cpp /usr/lib/gcc/x86_64-pc-linux-gnu/4.4.4/../../../../x86_64-pc-linux-gnu/bin

Re: [OMPI users] message truncated error

2010-11-01 Thread jody
Hi Jack Usually MPI_ERR_TRUNCATE means that the buffer you use in MPI_Recv (or MPI::COMM_WORLD.Recv) is too sdmall to hold the message coming in. Check your code to make sure you assign enough memory to your buffers. regards Jody On Mon, Nov 1, 2010 at 7:26 AM, Jack Bryan <dtus

[OMPI users] Help with a strange error

2010-10-28 Thread jody
gcc.i386 zlib.i386 (gdb) I am using OpenMPI 1.4.2 Has anybody got an idea how i could find the problem? Thank You Jody

Re: [OMPI users] Using hostfile with default hostfile

2010-10-27 Thread jody
Where is the option 'default-hostfile' described? It does not appear in mpirun's man page (for v. 1.4.2) and i couldn't find anything like that with googling. Jody On Wed, Oct 27, 2010 at 4:02 PM, Ralph Castain <r...@open-mpi.org> wrote: > Specify your hostfile as the default one: &

Re: [OMPI users] Running simple MPI program

2010-10-23 Thread jody
Hi Brandon Does it work if you try this: mpirun -np 2 hostfile hosts.txt ilk (see http://www.open-mpi.org/faq/?category=running#simple-spmd-run) jody On Sat, Oct 23, 2010 at 4:07 PM, Brandon Fulcher <min...@gmail.com> wrote: > Thank you for the response! > > The code runs on

Re: [OMPI users] Question about MPI_Barrier

2010-10-21 Thread jody
Hi I don't know the reason for the strange behaviour, but anyway, to measure time in an MPI application you should use MPI_Wtime(), not clock() regards jody On Wed, Oct 20, 2010 at 11:51 PM, Storm Zhang <storm...@gmail.com> wrote: > Dear all, > > I got confused with my

Re: [OMPI users] my leak or OpenMPI's leak?

2010-10-18 Thread jody
But shouldn't something like this show up in the other processes as well? I only see that in the master process, but the slave processes also send data to each other and to the master. On Mon, Oct 18, 2010 at 2:48 PM, Ralph Castain <r...@open-mpi.org> wrote: > > On Oct 18, 2010, at 1

Re: [OMPI users] my leak or OpenMPI's leak?

2010-10-18 Thread jody
I had this leak with OpenMPI 1.4.2 But in my case, there is no accumulation - when i repeat the same call, no additional leak is reported for the second call Jody On Mon, Oct 18, 2010 at 1:57 AM, Ralph Castain <r...@open-mpi.org> wrote: > There is no OMPI 2.5 - do you mean 1.5? >

Re: [OMPI users] connecting to MPI from outside

2010-10-12 Thread jody
to this server i could then send commands which changed the state of the master. Jody On Tue, Oct 12, 2010 at 6:14 AM, Mahesh Salunkhe <mahesh.salun...@gmail.com> wrote: > > Hello, >   Could you pl tell me how to connect a client(not in any mpi group )  to a >    process in a mp

[OMPI users] my leak or OpenMPI's leak?

2010-10-06 Thread jody
st glimpse it looks like an OpenMPI-internal leak, because it happens iinside PMPI_Send, but then i am using the function ConnectorBase::send() several times from other callers than TileConnector, but these don't show up in valgrind's output. Does anybody have an idea what is happening here? Thank You jody

Re: [OMPI users] a question about [MPI]IO on systems without network filesystem

2010-09-29 Thread jody
answered by trying, because it depends strongly on the volume of your messages and the quality of your hardware (network and disk speed) Jody

Re: [OMPI users] Thread as MPI process

2010-09-21 Thread jody
Hi I don't know if i correctly understand what you need, but have you already tried MPI_Comm_spawn? Jody On Mon, Sep 20, 2010 at 11:24 PM, Mikael Lavoie <mikael.lav...@gmail.com> wrote: > Hi, > > I wanna know if it exist a implementation that permit to run a single host > pro

Re: [OMPI users] MPI_Reduce performance

2010-09-09 Thread jody
Hi @Ashley: What is the exact semantics of an asynchronous barrier, and is it part of the MPI specs? Thanks Jody On Thu, Sep 9, 2010 at 9:34 PM, Ashley Pittman <ash...@pittman.co.uk> wrote: > > On 9 Sep 2010, at 17:00, Gus Correa wrote: > >> Hello All >> >&g

Re: [OMPI users] OpenMPI Segmentation fault (11)

2010-07-26 Thread jody
. (Again check the man pages of mpirun) Jody On Mon, Jul 26, 2010 at 8:55 AM, Jack Bryan <dtustud...@hotmail.com> wrote: > Thanks > It can be installed on linux and work with gcc ? > If I have many processes, such as 30, I have to open 30 terminal windows ? > thanks > Jack > &

Re: [OMPI users] OpenMPI Segmentation fault (11)

2010-07-26 Thread jody
for each process separately. Jody On Mon, Jul 26, 2010 at 4:08 AM, Jack Bryan <dtustud...@hotmail.com> wrote: > Dear All, > I run a 6 parallel processes on OpenMPI. > When the run-time of the program is short, it works well. > But, if the run-time is long, I got errors: > [n1

Re: [OMPI users] hpw to log output of spawned processes

2010-07-13 Thread jody
Thanks for the patch - it works fine! Jody On Mon, Jul 12, 2010 at 11:38 PM, Ralph Castain <r...@open-mpi.org> wrote: > Just so you don't have to wait for 1.4.3 to be released, here is the patch. > Ralph > > > > > On Jul 12, 2010, at 2:44 AM, jody wrote: > >&g

Re: [OMPI users] Dynamic process tutorials?

2010-07-12 Thread jody
n or mpiexec. But somewhere you have to tell OpenMPI what to run on how many processors etc. I'd suggest you take a look at the "MPI-The Complete Reference" Vol I and II Jody On Mon, Jul 12, 2010 at 5:07 PM, Brian Budge <brian.bu...@gmail.com> wrote: > Hi Jody - > > Thanks for

Re: [OMPI users] OpenMPI how large its buffer size ?

2010-07-12 Thread jody
ugh... Perhaps there is a boost forum you can check out if the problem persists Jody On Sun, Jul 11, 2010 at 10:13 AM, Jack Bryan <dtustud...@hotmail.com> wrote: > thanks for your reply. > The message size is 72 bytes. > The master sends out the message package to each 51 nodes. &

Re: [OMPI users] hpw to log output of spawned processes

2010-07-12 Thread jody
yes, i'm using 1.4.2 Thanks Jody On Mon, Jul 12, 2010 at 10:38 AM, Ralph Castain <r...@open-mpi.org> wrote: > > On Jul 12, 2010, at 2:17 AM, jody wrote: > >> Hi >> >> I have a master process which spawns a number of workers of which i'd >> lik

[OMPI users] hpw to log output of spawned processes

2010-07-12 Thread jody
at it would also combine job-id and rank withe the output file: work_out.1.0 for the master's output, and work_out.2.0 work_out.2.1 work_out.2.2 ... for the worker's output? Thank You Jody

Re: [OMPI users] Dynamic process tutorials?

2010-07-11 Thread jody
Hi Brian When you spawn processes with MPI_Comm_spawn(), one of the arguments will be set to an intercommunicator of thes spawner and the spawnees. You can use this intercommunicator as the communicator argument in the MPI_functions. Jody On Fri, Jul 9, 2010 at 5:56 PM, Brian Budge <brian

Re: [OMPI users] OpenMPI how large its buffer size ?

2010-07-10 Thread jody
/* clean up */ free(send_buf); } MPI_Finalize(); } I hope this helps Jody On Sat, Jul 10, 2010 at 7:12 AM, Jack Bryan <dtustud...@hotmail.com> wrote: > Dear All: > How to find the buffer size of OpenMPI ? > I need to transfer large data between nodes on

Re: [OMPI users] Open MPI error MPI_ERR_TRUNCATE: message truncated

2010-07-08 Thread jody
of the buffer you passed to MPI_Recv. As Zhang suggested: try to reduce your code to isolate the offending codes. Can you create a simple application with two processes exchanging data which has the MPI_ERR_TRUNCATE problem? Jody On Thu, Jul 8, 2010 at 5:39 AM, Jack Bryan <dtustud...@hotmail.

Re: [OMPI users] Open MPI, cannot get the results from workers

2010-07-06 Thread jody
) and react accordingly Jody On Tue, Jul 6, 2010 at 7:41 AM, David Zhang <solarbik...@gmail.com> wrote: > if the master receives multiple results from the same worker, how does the > master know which result (and the associated tag) arrive first? what MPI > commands are you using exac

Re: [OMPI users] Open MPI task scheduler

2010-06-21 Thread jody
, MPI_ANY_TAG, ); if (st.MPI_TAG == TAG_STOP) { go_on=false; } else { result=workOnTask(TaskDef, TaskLen); MPI_Send(a, MPI_INT, 1, idMaster, TAG_RESULT); MPI_Send(result, resultType, 1, idMaster, TAG_RESULT_CONTENT); } } I hope this helps Jody On Mon, Jun 21

Re: [OMPI users] Allgather in inter-communicator bug,

2010-05-20 Thread jody
Hi I am really no python expert, but it looks to me as if you were gathering arrays filled with zeroes: a = array('i', [0]) * n Shouldn't this line be a = array('i', [r])*n where r is the rank of the process? Jody On Thu, May 20, 2010 at 12:00 AM, Battalgazi YILDIRIM <yildiri...@gmail.

Re: [OMPI users] How to show outputs from MPI program that runs on a cluster?

2010-05-20 Thread jody
ngle terminal window for the process you are interested in. Jody On Thu, May 20, 2010 at 1:28 AM, Sang Chul Choi <gos...@gmail.com> wrote: > Hi, > > I am wondering if there is a way to run a particular process among multiple > processes on the console of a linux cluster. > &g

Re: [OMPI users] Dynamic libraries in OpenMPI

2010-05-12 Thread jody
Just to be sure: Is there a copy of the shared library on the other host (hpcnode1) ? jody On Mon, May 10, 2010 at 5:20 PM, Prentice Bisbal <prent...@ias.edu> wrote: > Are you runing thee jobs through a queuing system like PBS, Torque, or SGE? > > Prentice > > Migue

Re: [OMPI users] open-mpi behaviour on Fedora, Ubuntu, Debian and CentOS

2010-04-26 Thread jody
://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/fpu_wp.pdf but i think AMD Opteron does not. But i am no expert in this area - i only found out about this when i mentioned to someone the differences in the results obtained from a 32Bit platform and a 64bit platform. Sorry. Jody On Mon

Re: [OMPI users] open-mpi behaviour on Fedora, Ubuntu, Debian and CentOS

2010-04-25 Thread jody
I once got different results when running on a 64-Bit platform instead of a 32 bit platform - if i remember correctly, the reason was that on the 32-bit platform 80bit extended precision floats were used but on the 64bit platform only 64bit floats. On Sun, Apr 25, 2010 at 3:39 AM, Fabian Hänsel

Re: [OMPI users] Help om Openmpi

2010-04-06 Thread jody
@Trent > the 1024 RSA has already been cracked. Yeah but unless you've got 3 guys spending 100 hours varying the voltage of your processors it is still safe... :) On Tue, Apr 6, 2010 at 11:35 AM, Reuti wrote: > Hi, > > Am 06.04.2010 um 09:48 schrieb Terry Frankcombe:

Re: [OMPI users] openMPI on Xgrid

2010-03-30 Thread Jody Klymak
layer on top of pbs. However, there are folks here who would know far more than I do about these sorts of things. Cheers, Jody -- Jody Klymak http://web.uvic.ca/~jklymak/

Re: [OMPI users] openMPI on Xgrid

2010-03-29 Thread Klymak Jody
I have an environment a few trusted users could use to test. However, I have neither the expertise or time to do the debugging myself. Cheers, Jody On 2010-03-29, at 1:27 PM, Jeff Squyres wrote: On Mar 29, 2010, at 4:11 PM, Cristobal Navarro wrote: i realized that xcode dev tools

Re: [OMPI users] openMPI on Xgrid

2010-03-29 Thread Jody Klymak
/etc/openmpi-mca-params.conf to make sure that the right ports are used: # set ports so that they are more valid than the default ones (see email from Ralph Castain) btl_tcp_port_min_v4 = 36900 btl_tcp_port_range = 32 Cheers, Jody -- Jody Klymak http://web.uvic.ca/~jklymak/

Re: [OMPI users] problems on parallel writing

2010-02-25 Thread jody
I_write_adv2 === Regards jody On Thu, Feb 25, 2010 at 2:47 AM, Terry Frankcombe <te...@chem.gu.se> wrote: > On Wed, 2010-02-24 at 13:40 -0500, w k wrote: >> Hi Jordy, >> >> I d

Re: [OMPI users] problems on parallel writing

2010-02-24 Thread jody
Hi I can't answer your question about the array q offhand, but i will try to translate your program to C and see if it fails the same way. Jody On Wed, Feb 24, 2010 at 7:40 PM, w k <thuw...@gmail.com> wrote: > Hi Jordy, > > I don't think this part caused the problem. For fort

Re: [OMPI users] MPi Abort verbosity

2010-02-24 Thread jody
Hi Gabriele you could always pipe your output through grep my_app | grep "MPI_ABORT was invoked" jody On Wed, Feb 24, 2010 at 11:28 AM, Gabriele Fatigati <g.fatig...@cineca.it> wrote: > Hi Nadia, > > thanks for quick reply. > > But i suppose that parameter

Re: [OMPI users] problems on parallel writing

2010-02-24 Thread jody
ount = 0 > end if > > if (count .gt. 0) then > allocate(temp(count)) > temp(1) = 2122010.0d0 > end if In C/C++ something like this would almost certainly lead to a crash, but i don't know if this would be the case in Fortran... jody On Wed, Feb 24, 2010 at 4:38 AM, w k &

Re: [OMPI users] Non-homogeneous Cluster Implementation

2010-01-28 Thread jody
and a is your PS3 host, and app_dell is your application compiled on the dell, and b is your dell host. Check the MPI FAQs http://www.open-mpi.org/faq/?category=running#mpmd-run http://www.open-mpi.org/faq/?category=running#mpirun-host Hope this helps Jody On Thu, Jan 28, 2010 at 3:08 AM

Re: [OMPI users] man-files not installed

2009-12-21 Thread jody
Thanks, that did it! BTW, in the man page for mpirun you should perhaps mention the "!" option in xterm - the one that keeps the xterms open after the application exits. Thanks Jody On Mon, Dec 21, 2009 at 3:25 PM, Ralph Castain <r...@open-mpi.org> wrote: > Is your M

[OMPI users] man-files not installed

2009-12-21 Thread jody
-f77 --disable-mpi-f90 --with-threads and afterwards made a soft link ln -s /opt/openmpi-1.4 /opt/openmpi This is on fedora fc8, but i have the same problem on my gentoo machines (2.6.29-gentoo-r5) Does anybody know how to get replace the old man files with the new ones? Thank You Jody

Re: [OMPI users] Debugging spawned processes

2009-12-21 Thread jody
Hi Ralph I finally got around to install version 1.4. The xterm works fine. And in order to get gdb going on the spawned processes, i need to add an argument "--args" in the argument list of the spawner so that the parameters of the spawned processes are getting through gdb. Thanks ag

Re: [OMPI users] Debugging spawned processes

2009-12-16 Thread jody
Thanks for your reply That sounds good. I have Open-MPI version 1.3.2, and mpirun seems not to recognize the --xterm option. [jody@plankton tileopt]$ mpirun --xterm -np 1 ./boss 9 sample.tlf -- mpirun was unable to launch

[OMPI users] Debugging spawned processes

2009-12-16 Thread jody
environment variable in order to display their xterms with gdb on my workstation. Another negative point would be the need to change the argv parameters every time one switches between debugging and normal running. Has anybody got some hints on how to debug spawned processes? Thank You Jody

Re: [OMPI users] Open MPI Query

2009-11-24 Thread jody
point you to an MPI primer or tute. > Have a look at the Open MPI FAQ: http://www.open-mpi.org/faq/?category=running It shows you how to run a Open-MPI program on single or multiple machines Jody

Re: [OMPI users] OMPI-1.2.0 is not getting installed

2009-10-20 Thread jody
Hi Just curious: Is there a particular reason why you want version 1.2? The current version is 1.3.3! Jody On Tue, Oct 20, 2009 at 2:48 PM, Sangamesh B <forum@gmail.com> wrote: > Hi, > > Its required here to install Open MPI 1.2 on a HPC cluster with - Cent > OS 5.2

Re: [OMPI users] how to set up the cluster of 5 nodes in openmpi

2009-09-30 Thread jody
Hi Have look at the Open MPI FAQ: http://www.open-mpi.org/faq/ It gives you all the information you need to start working with your cluster. Jody On Wed, Sep 30, 2009 at 8:25 AM, ankur pachauri <ankurpacha...@gmail.com> wrote: > dear all, > > i am new to openmpi, all that i

Re: [OMPI users] MPI_Irecv segmentation fault

2009-09-22 Thread jody
Did you also change the "" to buffer in your MPI_Send call? Jody On Tue, Sep 22, 2009 at 1:38 PM, Everette Clemmer <clemm...@gmail.com> wrote: > Hmm, tried changing MPI_Irecv( ) to MPI_Irecv( buffer...) > and still no luck. Stack trace follows if that's helpful: &g

Re: [OMPI users] Timers

2009-09-11 Thread jody
Hi I'm not sure if i completely understand your requirements, but have you tried MPI_WTime? Jody On Fri, Sep 11, 2009 at 7:54 AM, amjad ali <amja...@gmail.com> wrote: > Hi all, > I want to get the elapsed time from start to end of my parallel program > (OPENMPI based). It should

Re: [OMPI users] Problem with linking on OS X

2009-08-19 Thread Jody Klymak
and friends... Cheers, Jody On Aug 19, 2009, at 15:57 PM, tomek wrote: OK - I have fixed it by including -L/opt/openmpi/lib at the very beginning of mpicc ... -L/opt/openmpi/lib -o app.exe the rest ... But something is wrong with dyld anyhow. On 19 Aug 2009, at 21:04, Jody Klymak wrote

Re: [OMPI users] Problem with linking on OS X

2009-08-19 Thread Jody Klymak
libmpi... Note, that the /opt/openmpi/bin path is properly set and ompi_info does outputs the right info. You do not need to set DYLD_LIBRARY_PATH. I don't have it set and my mpi applications run fine. Did 4 work? Cheers, Jody -- Jody Klymak http://web.uvic.ca/~jklymak/

Re: [OMPI users] --rankfile

2009-08-19 Thread jody
Hi I had a similar problem. Following a suggestion from Lenny, i removed the "max-slots" entries from my hostsfile and it worked. It seems that there still are some minor bugs in the rankfile mechanism. See the post http://www.open-mpi.org/community/lists/users/2009/08/10384.php Jod

Re: [OMPI users] rank file error: Rankfile claimed...

2009-08-17 Thread jody
-mpi.org/faq/?category=running#mpirun-scheduling but i couldn't find any explanation. (furthermore, in the FAQ it says "max-slots" in one place, but "max_slots" in the other one) Thank You Jody On Mon, Aug 17, 2009 at 3:29 PM, Lenny Verkhovsky<lenny.verkhov...@gmail.co

Re: [OMPI users] rank file error: Rankfile claimed...

2009-08-17 Thread jody
osts (i.e. plankton instead of plankton.uzh.ch) in the host file... However, I encountered a new problem: if the rankfile lists all the entries which occur in the host file there is an error message. In the following example, the hostfile is [jody@plankton neander]$ cat th_02 nano_00.uzh.ch slots=2 ma

Re: [OMPI users] rank file error: Rankfile claimed...

2009-08-17 Thread jody
Hi Lenny Thanks - using the full names makes it work! Is there a reason why the rankfile option treats host names differently than the hostfile option? Thanks Jody On Mon, Aug 17, 2009 at 11:20 AM, Lenny Verkhovsky<lenny.verkhov...@gmail.com> wrote: > Hi > This message mean

[OMPI users] rank file error: Rankfile claimed...

2009-08-17 Thread jody
Hi When i use a rankfile, i get an error message which i don't understand: [jody@plankton tests]$ mpirun -np 3 -rf rankfile -hostfile testhosts ./HelloMPI -- Rankfile claimed host plankton that was not allocated

Re: [OMPI users] openmpi with xgrid

2009-08-15 Thread Klymak Jody
, but otherwise all you are missing is the cute tachometer display. Cheers, Jody Cheers, Alan On Fri, Aug 14, 2009 at 17:20, Warner Yuen <wy...@apple.com> wrote: Hi Alan, Xgrid support for Open MPI is currently broken in the latest version of Open MPI. See the ticket below. Howe

Re: [OMPI users] tcp connectivity OS X and 1.3.3

2009-08-14 Thread Jody Klymak
to an sshd deciding it was a security breach and killing all the processes). Anyways, all seems to be working so far. Sorry that my poor choice in user management caused so many mysteries. Thanks for everyone's help. Cheers, Jody -- Jody Klymak http://web.uvic.ca/~jklymak/

Re: [OMPI users] tcp connectivity OS X and 1.3.3

2009-08-13 Thread Jody Klymak
http://www.open-mpi.org/faq/?category=tcp for more information). The program example/connectivity_c.c is also a useful minimal program for testing communication on the cluster. Thanks again for everyone's help, particularly Ralph, Jeff and Gus. Cheers, Jody

Re: [OMPI users] tcp connectivity OS X and 1.3.3

2009-08-12 Thread Jody Klymak
On Aug 12, 2009, at 12:46 PM, Jody Klymak wrote: So I think ranks 0 and 2 are on xserve02 and rank 1 is on xserve01, Should read xserve03, -- Jody Klymak http://web.uvic.ca/~jklymak/

Re: [OMPI users] tcp connectivity OS X and 1.3.3

2009-08-12 Thread Jody Klymak
ignal 0). -- mpirun: clean termination accomplished Thanks, Jody The port numbers are fine and can be different or the same - it is totally random. The procs exchange their respective port info during wireup. On Wed, Aug 12, 2009 at 1

Re: [OMPI users] tcp connectivity OS X and 1.3.3

2009-08-12 Thread Jody Klymak
Hi Ralph, That gives me something more to work with... On Aug 12, 2009, at 9:44 AM, Ralph Castain wrote: I believe TCP works fine, Jody, as it is used on Macs fairly widely. I suspect this is something funny about your installation. One thing I have found is that you can get this error

Re: [OMPI users] tcp connectivity OS X and 1.3.3

2009-08-12 Thread Jody Klymak
X users are using non-tcpip communication, and the tcp stuff just doesn't work in 1.3.3. Thanks, Jody -- Jody Klymak http://web.uvic.ca/~jklymak/

  1   2   3   >