[OMPI devel] Open-mpi in red hat 7.3
Hello, I would like to know what is the latest version I can succesfully install in Red Hat 7.3 gcc 2.96 thanks Sandra Guija
Re: [OMPI devel] Open-mpi in red hat 7.3
Hello, Anyone could provide a feedback about the latest version of open-mpi that successfully installs in Red Hat 7.3 gcc 2.96 thanks Sandra Guija ___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel
Re: [OMPI devel] Open-mpi in red hat 7.3
Hi Jeff, I want to setup a message passing programming environment on Simics, a hardware simulation software. Simics have some pre-built target machines, ready to use, unfortunately these targets have old OS version (Fedora 5, Red Hat 7.3).I installed mpich2 on the Red Hat and bump in some many issues, so I want to explore my options with open-mpi.I setup an open-mpi cluster on ubuntu 10, and it works. But it is quiet of complex to use Ubuntu on simics. Thanks for replying my email, Sandra Guija > From: jsquy...@cisco.com > Date: Wed, 3 Oct 2012 14:12:03 -0400 > To: de...@open-mpi.org > Subject: Re: [OMPI devel] Open-mpi in red hat 7.3 > > Question: why such an old OS? Can you upgrade it? Fedora 7.3 (which is what > I assume you mean) and gcc 2.96 are pretty ancient, in computer software > terms -- gcc 2.96 is *over 12 years old*. That's an eternity. > > Additional suggestion: we haven't tested with gcc 2.96 in quite a while, and > don't maintain lists of what versions work with (really) old compilers; > sorry. Ralph's suggestion is a good one -- start with the latest Open MPI > (1.6.2) and see if that works. If it doesn't, work backwards in our release > series and see which works for you (e.g., if 1.6.2 doesn't work, try the last > release in the 1.4.x series -- 1.4.5. If that doesn't work, try the last > release in the 1.2.x series -- 1.2.9. If that doesn't work, try the last > release in the 1.1.x and 1.0.x series). > > > > On Oct 3, 2012, at 1:30 PM, Ralph Castain wrote: > > > Not sure why any of them wouldn't successfully install - so why not grab > > 1.6.2? Is there some problem you aren't telling us? > > > > > > On Oct 3, 2012, at 10:20 AM, Sandra Guija wrote: > > > >> Hello, > >> Anyone could provide a feedback about the latest version of open-mpi that > >> successfully installs in Red Hat 7.3 gcc 2.96 > >> thanks > >> Sandra Guija > >> > >> ___ devel mailing list > >> de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel > >> ___ > >> devel mailing list > >> de...@open-mpi.org > >> http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > > ___ > > devel mailing list > > de...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > ___ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
Re: [OMPI devel] Open-mpi in red hat 7.3
I will work on Ralph's suggestion Thanks all Sandra Guija From: sgu...@hotmail.com To: de...@open-mpi.org List-Post: devel@lists.open-mpi.org Date: Wed, 3 Oct 2012 11:47:33 -0700 Subject: Re: [OMPI devel] Open-mpi in red hat 7.3 Hi Jeff, I want to setup a message passing programming environment on Simics, a hardware simulation software. Simics have some pre-built target machines, ready to use, unfortunately these targets have old OS version (Fedora 5, Red Hat 7.3).I installed mpich2 on the Red Hat and bump in some many issues, so I want to explore my options with open-mpi.I setup an open-mpi cluster on ubuntu 10, and it works. But it is quiet of complex to use Ubuntu on simics. Thanks for replying my email, Sandra Guija > From: jsquy...@cisco.com > Date: Wed, 3 Oct 2012 14:12:03 -0400 > To: de...@open-mpi.org > Subject: Re: [OMPI devel] Open-mpi in red hat 7.3 > > Question: why such an old OS? Can you upgrade it? Fedora 7.3 (which is what > I assume you mean) and gcc 2.96 are pretty ancient, in computer software > terms -- gcc 2.96 is *over 12 years old*. That's an eternity. > > Additional suggestion: we haven't tested with gcc 2.96 in quite a while, and > don't maintain lists of what versions work with (really) old compilers; > sorry. Ralph's suggestion is a good one -- start with the latest Open MPI > (1.6.2) and see if that works. If it doesn't, work backwards in our release > series and see which works for you (e.g., if 1.6.2 doesn't work, try the last > release in the 1.4.x series -- 1.4.5. If that doesn't work, try the last > release in the 1.2.x series -- 1.2.9. If that doesn't work, try the last > release in the 1.1.x and 1.0.x series). > > > > On Oct 3, 2012, at 1:30 PM, Ralph Castain wrote: > > > Not sure why any of them wouldn't successfully install - so why not grab > > 1.6.2? Is there some problem you aren't telling us? > > > > > > On Oct 3, 2012, at 10:20 AM, Sandra Guija wrote: > > > >> Hello, > >> Anyone could provide a feedback about the latest version of open-mpi that > >> successfully installs in Red Hat 7.3 gcc 2.96 > >> thanks > >> Sandra Guija > >> > >> ___ devel mailing list > >> de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel > >> ___ > >> devel mailing list > >> de...@open-mpi.org > >> http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > > ___ > > devel mailing list > > de...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > ___ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel ___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel
Re: [OMPI devel] Open-mpi in Fedora 5
I decided to use an environment with Fedora 5 and gcc 4.1.0.I tried to installed 1.6.2 and it failed, then tried 1.4.5 and it failed, then 1.2.9 and I did not get any error. how I can check if the installation works, prior to configure the clusterAlso, it will be ok if I copy the openmpi-1.2.9 directory to the other nodes? The installation took like almost 3 hours. I sent the "ccIVTymL.out" file to the forum but my mail is waiting for moderator approval Thanks Sandra Guija > From: jsquy...@cisco.com > Date: Wed, 3 Oct 2012 14:12:03 -0400 > To: de...@open-mpi.org > Subject: Re: [OMPI devel] Open-mpi in red hat 7.3 > > Question: why such an old OS? Can you upgrade it? Fedora 7.3 (which is what > I assume you mean) and gcc 2.96 are pretty ancient, in computer software > terms -- gcc 2.96 is *over 12 years old*. That's an eternity. > > Additional suggestion: we haven't tested with gcc 2.96 in quite a while, and > don't maintain lists of what versions work with (really) old compilers; > sorry. Ralph's suggestion is a good one -- start with the latest Open MPI > (1.6.2) and see if that works. If it doesn't, work backwards in our release > series and see which works for you (e.g., if 1.6.2 doesn't work, try the last > release in the 1.4.x series -- 1.4.5. If that doesn't work, try the last > release in the 1.2.x series -- 1.2.9. If that doesn't work, try the last > release in the 1.1.x and 1.0.x series). > > > > On Oct 3, 2012, at 1:30 PM, Ralph Castain wrote: > > > Not sure why any of them wouldn't successfully install - so why not grab > > 1.6.2? Is there some problem you aren't telling us? > > > > > > On Oct 3, 2012, at 10:20 AM, Sandra Guija wrote: > > > >> Hello, > >> Anyone could provide a feedback about the latest version of open-mpi that > >> successfully installs in Red Hat 7.3 gcc 2.96 > >> thanks > >> Sandra Guija > >> > >> ___ devel mailing list > >> de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel > >> ___ > >> devel mailing list > >> de...@open-mpi.org > >> http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > > ___ > > devel mailing list > > de...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > ___ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
[OMPI devel] Open-mpi in Fedora 5
Hello, I decided to use an environment with Fedora 5 and gcc 4.1.0.I tried to installed 1.6.2 and it failed, then tried 1.4.5 and it failed, then 1.2.9 and I did not get any error. how I can check if the installation works, prior to configure the clusterAlso, it will be ok if I copy the openmpi-1.2.9 directory to the other nodes? The installation took like almost 3 hours. I sent the "ccIVTymL.out" file to the forum but my mail is waiting for moderator approval Thanks Sandra Guija > From: jsquy...@cisco.com > Date: Wed, 3 Oct 2012 14:12:03 -0400 > To: de...@open-mpi.org > Subject: Re: [OMPI devel] Open-mpi in red hat 7.3 > > Question: why such an old OS? Can you upgrade it? Fedora 7.3 (which is what > I assume you mean) and gcc 2.96 are pretty ancient, in computer software > terms -- gcc 2.96 is *over 12 years old*. That's an eternity. > > Additional suggestion: we haven't tested with gcc 2.96 in quite a while, and > don't maintain lists of what versions work with (really) old compilers; > sorry. Ralph's suggestion is a good one -- start with the latest Open MPI > (1.6.2) and see if that works. If it doesn't, work backwards in our release > series and see which works for you (e.g., if 1.6.2 doesn't work, try the last > release in the 1.4.x series -- 1.4.5. If that doesn't work, try the last > release in the 1.2.x series -- 1.2.9. If that doesn't work, try the last > release in the 1.1.x and 1.0.x series). > > > > On Oct 3, 2012, at 1:30 PM, Ralph Castain wrote: > > > Not sure why any of them wouldn't successfully install - so why not grab > > 1.6.2? Is there some problem you aren't telling us? > > > > > > On Oct 3, 2012, at 10:20 AM, Sandra Guija wrote: > > > >> Hello, > >> Anyone could provide a feedback about the latest version of open-mpi that > >> successfully installs in Red Hat 7.3 gcc 2.96 > >> thanks > >> Sandra Guija > >> > >> ___ devel mailing list > >> de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel > >> ___ > >> devel mailing list > >> de...@open-mpi.org > >> http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > > ___ > > devel mailing list > > de...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/devel > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > ___ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel ___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel
Re: [OMPI devel] Open-mpi in Fedora 5
Hi Jeff, I shared the openpi libraries through NFS. I am able to ssh with out password, using id_rsa and eval`ssh-agent` I got mpirun run the thee test you mentioned below. The test succeed only if I run on the master.I am running with the mpiu user with same UID,But I am not able to run the mpirun on the remote host. The message I got when I run on the remote host is below.I have check the permission on the .ssh and libraries, and I included the PATH in .bashrc and .bash_profile, I tried modify /etc/profile but not sure how to do it.I attached the screen shoot when I run on the master. shell$ mpirun--debig-daemons --host tango1 hello_world-bash:/home/openmpi/bin/mpirun: Permission denied Sandra Guija > From: jsquy...@cisco.com > Date: Fri, 5 Oct 2012 16:55:44 -0400 > To: de...@open-mpi.org > Subject: Re: [OMPI devel] Open-mpi in Fedora 5 > > On Oct 5, 2012, at 3:40 PM, Sandra Guija wrote: > > > I decided to use an environment with Fedora 5 and gcc 4.1.0. > > I tried to installed 1.6.2 and it failed, then tried 1.4.5 and it failed, > > then 1.2.9 and I did not get any error. > > I know that we are sometimes a little slow to answer user emails, but you > need to give us more than a few hours to answer before re-posting your mails. > :-) > > If you want to see if there are easy fixes to why 1.4.x and/or 1.6.x fail to > compile, see this page: http://www.open-mpi.org/community/help/ Send all the > info listed on that page. > > > how I can check if the installation works, prior to configure the cluster > > See: > > http://www.open-mpi.org/community/lists/users/2012/03/18846.php > > We say something quite similar in the (1.6.x) README file: > > When verifying a new Open MPI installation, we recommend running three > tests: > > - > 1. Use "mpirun" to launch a non-MPI program (e.g., hostname or uptime) >across multiple nodes. > > 2. Use "mpirun" to launch a trivial MPI program that does no MPI >communication (e.g., the hello_c program in the examples/ directory >in the Open MPI distribution). > > 3. Use "mpirun" to launch a trivial MPI program that sends and >receives a few MPI messages (e.g., the ring_c program in the >examples/ directory in the Open MPI distribution). > > If you can run all three of these tests successfully, that is a good > indication that Open MPI built and installed properly. > - > > > Also, it will be ok if I copy the openmpi-1.2.9 directory to the other > > nodes? The installation took like almost 3 hours. > > Wow; configuration / compilation of Open MPI took *3 hours*? I'm guessing > you have very old / low-power processors, or very slow network filesystem > access...? > > See this FAQ information on where to install OMPI: > > http://www.open-mpi.org/faq/?category=building#where-to-install > > > I sent the "ccIVTymL.out" file to the forum but my mail is waiting for > > moderator approval. > > It likely won't be approved. Send a smaller attachment, please, such as a > compressed text file (see the support page, above). :-) > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > ___ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
Re: [OMPI devel] Open-mpi in Fedora 5
Hi Jeff,Mi error is when either I run a mpi program on the remote host or I run on the local host and include the remote host.openmpi only works where the it was installed, local.Plan B is to install openmpi on the remote host and try to run it , but I'm getting discourage.I am using 1.2.9 and I found the same error in this post:http://www.open-mpi.org/community/lists/users/2008/07/6034.phpMy error looks exactly as the one describe above, but my fist line is: bash: orted command not foundIf does not work, Plan C is to try what the post recommended version 1.3, but not sure.Any input is appreciatedThanks againSandra Guija > From: jsquy...@cisco.com > Date: Mon, 8 Oct 2012 20:19:14 -0400 > To: de...@open-mpi.org > Subject: Re: [OMPI devel] Open-mpi in Fedora 5 > > I'm not sure I understand -- you said you are able to run on the master, but > then you said you get an error message when you run on the master. > > Please see the help page I mentioned > (http://www.open-mpi.org/community/help/) for a list of information that we > need to be able to help you. > > If you're getting a message about permission denied for > /home/openmpi/bin/orted, you should check the permissions on that file; it > needs to be executable. If it isn't executable, then you need to check how > you installed Open MPI -- Open MPI's installer should have marked it as > executable during the installation process. > > > On Oct 7, 2012, at 12:17 PM, Sandra Guija wrote: > > > Hi Jeff, > > I shared the openpi libraries through NFS. I am able to ssh with out > > password, using id_rsa and eval`ssh-agent` > > I got mpirun run the thee test you mentioned below. The test succeed only > > if I run on the master. > > I am running with the mpiu user with same UID, > > But I am not able to run the mpirun on the remote host. The message I got > > when I run on the remote host is below. > > I have check the permission on the .ssh and libraries, and I included the > > PATH in .bashrc and .bash_profile, I tried modify /etc/profile but not sure > > how to do it. > > I attached the screen shoot when I run on the master. > > > > shell$ mpirun--debig-daemons --host tango1 hello_world > > -bash:/home/openmpi/bin/mpirun: Permission denied > > > > > > Sandra Guija > > > > > From: jsquy...@cisco.com > > > Date: Fri, 5 Oct 2012 16:55:44 -0400 > > > To: de...@open-mpi.org > > > Subject: Re: [OMPI devel] Open-mpi in Fedora 5 > > > > > > On Oct 5, 2012, at 3:40 PM, Sandra Guija wrote: > > > > > > > I decided to use an environment with Fedora 5 and gcc 4.1.0. > > > > I tried to installed 1.6.2 and it failed, then tried 1.4.5 and it > > > > failed, then 1.2.9 and I did not get any error. > > > > > > I know that we are sometimes a little slow to answer user emails, but you > > > need to give us more than a few hours to answer before re-posting your > > > mails. :-) > > > > > > If you want to see if there are easy fixes to why 1.4.x and/or 1.6.x fail > > > to compile, see this page: http://www.open-mpi.org/community/help/ Send > > > all the info listed on that page. > > > > > > > how I can check if the installation works, prior to configure the > > > > cluster > > > > > > See: > > > > > > http://www.open-mpi.org/community/lists/users/2012/03/18846.php > > > > > > We say something quite similar in the (1.6.x) README file: > > > > > > When verifying a new Open MPI installation, we recommend running three > > > tests: > > > > > > - > > > 1. Use "mpirun" to launch a non-MPI program (e.g., hostname or uptime) > > > across multiple nodes. > > > > > > 2. Use "mpirun" to launch a trivial MPI program that does no MPI > > > communication (e.g., the hello_c program in the examples/ directory > > > in the Open MPI distribution). > > > > > > 3. Use "mpirun" to launch a trivial MPI program that sends and > > > receives a few MPI messages (e.g., the ring_c program in the > > > examples/ directory in the Open MPI distribution). > > > > > > If you can run all three of these tests successfully, that is a good > > > indication that Open MPI built and installed properly. > > > - > > > > > > > Also, it will be ok if I copy the openmpi-1.2.9 directory to the other > > > > nodes? The installation took like almost 3 hours. > > >
Re: [OMPI devel] Open-mpi in Fedora 5
Hi jeff, I found my error "a typo" on LD_LIBRARY_PATH, and I found it while pulling my information to send you an email.Openmpi 1.2.9 is working on my old linux boxesThanks thanks again Sandra Guija > From: jsquy...@cisco.com > Date: Tue, 9 Oct 2012 05:53:45 -0400 > To: de...@open-mpi.org > Subject: Re: [OMPI devel] Open-mpi in Fedora 5 > > On Oct 9, 2012, at 3:04 AM, Sandra Guija wrote: > > > Mi error is when either I run a mpi program on the remote host or I run on > > the local host and include the remote host. > > openmpi only works where the it was installed, local. > > Plan B is to install openmpi on the remote host and try to run it , but I'm > > getting discourage. > > You still have not provided all the information that we need to help you. I > cannot know how you have installed / configured Open MPI unless you tell me > -- we need to you tell us *precisely* how you have set it up. > > See http://www.open-mpi.org/community/help/. > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > ___ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
[OMPI devel] process kill signal 59
Hello, I am running a 10,000x10,000 matrix multiplication in 4 processors/1 core and I get the following error:mpirun -np 4 --hostfile nodes --bynode magic1 mpirun noticed that job rank1 with PID 635 on node slave1 exited on signal 509(Real-time signal 25).2 additional process aborted (not shown)1 process killed (possibly by open MPI) node file contains:masterslave1slave2slave3
Re: [OMPI devel] process kill signal 59
yes I think is related with my program too, when I run 1000x1000 matrix multiplication, the program works.when I run the 10,000 matrix only on one machine I got this:mca_common_sm_mmap_init: mmap failed with errno=12mca_mpool_sm_init: unable to shared memory mapping ( /tmp/openmpi-sessions-mpiu@tango_0/default-universe-1529/1/shared_mem_pool .tango)mca_common_sm_mmap_init: /tmp/openmpi-sessions-mpiu@tango_0/default-universe-1529/1/shared_mem_pool .tango failed with errno=2mca_mpool_sm_init: unable to shared memory mapping ( /tmp/openmpi-sessions-mpiu@tango_0/default-universe-1529/1/shared_mem_pool .tango)PML add procs failed-->Returned "0ut of resource" (-2) instead of " Success" (0) this is the result when I run free -m total used free shared buffers cachedMem: 2026541972 0 6 25-/+ buffer cache:22 511 Swap: 511 0 511 Sandra Guija From: r...@open-mpi.org List-Post: devel@lists.open-mpi.org Date: Tue, 30 Oct 2012 10:33:02 -0700 To: de...@open-mpi.org Subject: Re: [OMPI devel] process kill signal 59 Ummm...not sure what I can say about that with so little info. It looks like your process died for some reason that has nothing to do with us - a bug in your "magic1" program? On Oct 30, 2012, at 10:24 AM, Sandra Guija wrote:Hello, I am running a 10,000x10,000 matrix multiplication in 4 processors/1 core and I get the following error:mpirun -np 4 --hostfile nodes --bynode magic1 mpirun noticed that job rank1 with PID 635 on node slave1 exited on signal 509(Real-time signal 25).2 additional process aborted (not shown)1 process killed (possibly by open MPI) node file contains:masterslave1slave2slave3 ___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel ___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel
Re: [OMPI devel] process kill signal 59
I am able to change the memory size parameters, so if I increase memory size (currently 2 gb) or add caches, it could be a solution?or is the program that is using too much memory? thanks really for you input, I appreciate it. Sandra Guija From: r...@open-mpi.org List-Post: devel@lists.open-mpi.org Date: Tue, 30 Oct 2012 11:50:28 -0700 To: de...@open-mpi.org Subject: Re: [OMPI devel] process kill signal 59 Yeah, you're using too much memory for the shared memory system. Run with -mca btl ^sm on your cmd line - it'll run slower, but you probably don't have a choice. On Oct 30, 2012, at 11:38 AM, Sandra Guija wrote:yes I think is related with my program too, when I run 1000x1000 matrix multiplication, the program works.when I run the 10,000 matrix only on one machine I got this:mca_common_sm_mmap_init: mmap failed with errno=12mca_mpool_sm_init: unable to shared memory mapping ( /tmp/openmpi-sessions-mpiu@tango_0/default-universe-1529/1/shared_mem_pool .tango)mca_common_sm_mmap_init: /tmp/openmpi-sessions-mpiu@tango_0/default-universe-1529/1/shared_mem_pool .tango failed with errno=2mca_mpool_sm_init: unable to shared memory mapping ( /tmp/openmpi-sessions-mpiu@tango_0/default-universe-1529/1/shared_mem_pool .tango)PML add procs failed-->Returned "0ut of resource" (-2) instead of " Success" (0) this is the result when I run free -m total used free shared buffers cachedMem: 2026541972 0 6 25-/+ buffer cache:22 511 Swap: 511 0 511 Sandra Guija From: r...@open-mpi.org List-Post: devel@lists.open-mpi.org Date: Tue, 30 Oct 2012 10:33:02 -0700 To: de...@open-mpi.org Subject: Re: [OMPI devel] process kill signal 59 Ummm...not sure what I can say about that with so little info. It looks like your process died for some reason that has nothing to do with us - a bug in your "magic10000" program? On Oct 30, 2012, at 10:24 AM, Sandra Guija wrote:Hello, I am running a 10,000x10,000 matrix multiplication in 4 processors/1 core and I get the following error:mpirun -np 4 --hostfile nodes --bynode magic1 mpirun noticed that job rank1 with PID 635 on node slave1 exited on signal 509(Real-time signal 25).2 additional process aborted (not shown)1 process killed (possibly by open MPI) node file contains:masterslave1slave2slave3 ___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel ___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel ___ devel mailing list de...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/devel
[OMPI devel] MPI_Bcast
Hello, Could someone be kind and explain me the MPI_Bcast when is call by all the other processes?I am having some difficulties in fully understanding it. The reason I asked, it is because in my code there are some slaves calling the MPI_Bcast function prior the master calls it.Thanks, Sandra Guija > From: jsquy...@cisco.com > Date: Wed, 14 Nov 2012 08:02:13 -0700 > To: de...@open-mpi.org > Subject: [OMPI devel] topics for Dec. developer's meeting > > A few people have approached me with topics for the Dec meeting. I put the > ones that I could remember on the wiki. Please go fill in whatever topics > you want to discuss: > > https://svn.open-mpi.org/trac/ompi/wiki/Dec12Meeting > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > ___ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
