{"action":"closed","issue":{"url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/352","repository_url":"https://api.github.com/repos/raffenet/mpich-migrate-test","labels_url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/352/labels{/name}","comments_url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/352/comments","events_url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/352/events","html_url":"https://github.com/raffenet/mpich-migrate-test/issues/352","id":168004513,"number":352,"title":"Re: [mpich-discuss] array_of_argv in the MPI_Comm_spawn_multiple","user":{"login":"raffenet","id":1410792,"avatar_url":"https://avatars.githubusercontent.com/u/1410792?v=3","gravatar_id":"","url":"https://api.github.com/users/raffenet","html_url":"https://github.com/raffenet","followers_url":"https://api.github.com/users/raffenet/followers","following_url":"https://api.github.com/users/raffenet/following{/other_user}","gists_url":"https://api.github.com/users/raffenet/gists{/gist_id}","starred_url":"https://api.github.com/users/raffenet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/raffenet/subscriptions","organizations_url":"https://api.github.com/users/raffenet/orgs","repos_url":"https://api.github.com/users/raffenet/repos","events_url":"https://api.github.com/users/raffenet/events{/privacy}","received_events_url":"https://api.github.com/users/raffenet/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2016-07-28T03:07:31Z","updated_at":"2016-07-28T03:07:32Z","closed_at":"2016-07-28T03:07:32Z","body":"**Originally by _\" Federico Golfrè Andreasi \" <federico.golfre@gmail.com>_ on 2009-01-12 22:46:48 -0600**\n\n___\n\n\n```\n\nHere I send you a little test program:\n\n- the manager.cpp file contains the manager part that initializes a Petsc\nSession, prints some informations about the command line options and then\nexecutes the \"worker program\" with MPI_Comm_spawn_multiple. The firts\ncommand line option of the master must the executable name of the worker.\n- the worker.cpp file prints informations about the command line options and\nexit.\n\nI use MPICH-2 and Petsc 2.3.3 and the gcc 1.4.2 compiler.\n\n\nTo execute the program I type:\n\nmpiexec -n 2 ./manager ./worker -arg1 1 -arg2 2 -arg3 3 -arg4 4 -arg5 5\n-arg6 6 -arg7 7 -arg8 8 -arg9 9 -arg10 10 -arg11 11 -arg12 12 -arg13 13\n-arg14 14 -arg15 15 -arg16 16 -arg17 17 -arg18 18 -arg19 19 -arg20 20 -arg21\n21 -arg22 22 -arg23 23 -arg24 24 -arg25 25 -arg26 26 -arg27 27 -arg28 28\n-arg29 29 -arg30 30 -arg31 31 -arg32 32 -arg33 33 -arg34 34 -arg35 35 -arg36\n36\n\nStopping at -arg35 35 the program executes.\n\nThank you very much!\nFederico\n\n\n\n\n\n2009/1/9 Rajeev Thakur <thakur@mcs.anl.gov>\n\n>  Can you send us a small test program that demonstrates the error?\n>\n> Rajeev\n>\n>  ------------------------------\n> *From:* mpich-discuss-bounces@mcs.anl.gov [mailto:\n> mpich-discuss-bounces@mcs.anl.gov] *On Behalf Of *Federico Golfrè Andreasi\n> *Sent:* Thursday, January 08, 2009 3:34 AM\n> *To:* mpich-discuss@mcs.anl.gov\n> *Subject:* Re: [mpich-discuss] array_of_argv in the\n> MPI_Comm_spawn_multiple\n>\n> I noticed that problem when the argv has dimension more than about 50\n> elements and 450 characters.\n>\n> Thank you,\n> Federico\n>\n>\n>\n> 2009/1/7 Rajeev Thakur <thakur@mcs.anl.gov>\n>\n>>  How big is the argv you are passing?\n>>\n>> Rajeev\n>>\n>>  ------------------------------\n>> *From:* mpich-discuss-bounces@mcs.anl.gov [mailto:\n>> mpich-discuss-bounces@mcs.anl.gov] *On Behalf Of *Federico Golfrè\n>> Andreasi\n>> *Sent:* Wednesday, January 07, 2009 4:17 AM\n>> *To:* mpich-discuss@mcs.anl.gov\n>> *Subject:* [mpich-discuss] array_of_argv in the MPI_Comm_spawn_multiple\n>>\n>>   Hi,\n>>\n>>\n>>         I've a problem in using the MPI_Comm_spawn_multiple.\n>> When I use that function with a large number of arguments in the\n>> array_of_argv parameter\n>> the program execution freezes in the point.\n>>\n>> There is a maximum length of the argv or a maximum number of elements of\n>> argv that can be used?\n>>\n>> Thank you!\n>> Federico\n>>\n>>\n>\n```"}}
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