{"action":"created","issue":{"url":"https://api.github.com/repos/dmlc/mxnet/issues/977","labels_url":"https://api.github.com/repos/dmlc/mxnet/issues/977/labels{/name}","comments_url":"https://api.github.com/repos/dmlc/mxnet/issues/977/comments","events_url":"https://api.github.com/repos/dmlc/mxnet/issues/977/events","html_url":"https://github.com/dmlc/mxnet/issues/977","id":123069393,"number":977,"title":"distributed training using openmpi?","user":{"login":"nicklhy","id":1146226,"avatar_url":"https://avatars.githubusercontent.com/u/1146226?v=3","gravatar_id":"","url":"https://api.github.com/users/nicklhy","html_url":"https://github.com/nicklhy","followers_url":"https://api.github.com/users/nicklhy/followers","following_url":"https://api.github.com/users/nicklhy/following{/other_user}","gists_url":"https://api.github.com/users/nicklhy/gists{/gist_id}","starred_url":"https://api.github.com/users/nicklhy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nicklhy/subscriptions","organizations_url":"https://api.github.com/users/nicklhy/orgs","repos_url":"https://api.github.com/users/nicklhy/repos","events_url":"https://api.github.com/users/nicklhy/events{/privacy}","received_events_url":"https://api.github.com/users/nicklhy/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"mli","id":421857,"avatar_url":"https://avatars.githubusercontent.com/u/421857?v=3","gravatar_id":"","url":"https://api.github.com/users/mli","html_url":"https://github.com/mli","followers_url":"https://api.github.com/users/mli/followers","following_url":"https://api.github.com/users/mli/following{/other_user}","gists_url":"https://api.github.com/users/mli/gists{/gist_id}","starred_url":"https://api.github.com/users/mli/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mli/subscriptions","organizations_url":"https://api.github.com/users/mli/orgs","repos_url":"https://api.github.com/users/mli/repos","events_url":"https://api.github.com/users/mli/events{/privacy}","received_events_url":"https://api.github.com/users/mli/received_events","type":"User","site_admin":false},"milestone":null,"comments":4,"created_at":"2015-12-19T07:33:54Z","updated_at":"2015-12-20T00:01:48Z","closed_at":null,"body":"Following the tutorial http://mxnet.readthedocs.org/en/latest/aws.html, I successfully launched a distributed training process on my GPU cluster (3 computing servers with several K80 gpus).\r\n\r\nHowever, I noticed that the only launchers in tools/launch.py are \"SSHLauncher\" and \"LocalLauncher\" . There does not exists a \"MPILauncher\" in dmlc_mpi.py. So, how can I use dmlc_mpi.py or mpirun to launch a mpi version distributed training program on my GPU cluster?"},"comment":{"url":"https://api.github.com/repos/dmlc/mxnet/issues/comments/166034725","html_url":"https://github.com/dmlc/mxnet/issues/977#issuecomment-166034725","issue_url":"https://api.github.com/repos/dmlc/mxnet/issues/977","id":166034725,"user":{"login":"tqchen","id":2577440,"avatar_url":"https://avatars.githubusercontent.com/u/2577440?v=3","gravatar_id":"","url":"https://api.github.com/users/tqchen","html_url":"https://github.com/tqchen","followers_url":"https://api.github.com/users/tqchen/followers","following_url":"https://api.github.com/users/tqchen/following{/other_user}","gists_url":"https://api.github.com/users/tqchen/gists{/gist_id}","starred_url":"https://api.github.com/users/tqchen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tqchen/subscriptions","organizations_url":"https://api.github.com/users/tqchen/orgs","repos_url":"https://api.github.com/users/tqchen/repos","events_url":"https://api.github.com/users/tqchen/events{/privacy}","received_events_url":"https://api.github.com/users/tqchen/received_events","type":"User","site_admin":false},"created_at":"2015-12-20T00:01:48Z","updated_at":"2015-12-20T00:01:48Z","body":"Well, when you are runing in a shared mpi cluster, using native scheduler helps you to allocate resources correctly. @mli  we should support this"}}