{"action":"created","issue":{"url":"https://api.github.com/repos/allenai/allennlp/issues/1882","repository_url":"https://api.github.com/repos/allenai/allennlp","labels_url":"https://api.github.com/repos/allenai/allennlp/issues/1882/labels{/name}","comments_url":"https://api.github.com/repos/allenai/allennlp/issues/1882/comments","events_url":"https://api.github.com/repos/allenai/allennlp/issues/1882/events","html_url":"https://github.com/allenai/allennlp/issues/1882","id":368082344,"node_id":"MDU6SXNzdWUzNjgwODIzNDQ=","number":1882,"title":"Enabling multi-gpu training","user":{"login":"Nav33nn","id":13726308,"node_id":"MDQ6VXNlcjEzNzI2MzA4","avatar_url":"https://avatars2.githubusercontent.com/u/13726308?v=4","gravatar_id":"","url":"https://api.github.com/users/Nav33nn","html_url":"https://github.com/Nav33nn","followers_url":"https://api.github.com/users/Nav33nn/followers","following_url":"https://api.github.com/users/Nav33nn/following{/other_user}","gists_url":"https://api.github.com/users/Nav33nn/gists{/gist_id}","starred_url":"https://api.github.com/users/Nav33nn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Nav33nn/subscriptions","organizations_url":"https://api.github.com/users/Nav33nn/orgs","repos_url":"https://api.github.com/users/Nav33nn/repos","events_url":"https://api.github.com/users/Nav33nn/events{/privacy}","received_events_url":"https://api.github.com/users/Nav33nn/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"brendan-ai2","id":16342367,"node_id":"MDQ6VXNlcjE2MzQyMzY3","avatar_url":"https://avatars2.githubusercontent.com/u/16342367?v=4","gravatar_id":"","url":"https://api.github.com/users/brendan-ai2","html_url":"https://github.com/brendan-ai2","followers_url":"https://api.github.com/users/brendan-ai2/followers","following_url":"https://api.github.com/users/brendan-ai2/following{/other_user}","gists_url":"https://api.github.com/users/brendan-ai2/gists{/gist_id}","starred_url":"https://api.github.com/users/brendan-ai2/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/brendan-ai2/subscriptions","organizations_url":"https://api.github.com/users/brendan-ai2/orgs","repos_url":"https://api.github.com/users/brendan-ai2/repos","events_url":"https://api.github.com/users/brendan-ai2/events{/privacy}","received_events_url":"https://api.github.com/users/brendan-ai2/received_events","type":"User","site_admin":false},"assignees":[{"login":"brendan-ai2","id":16342367,"node_id":"MDQ6VXNlcjE2MzQyMzY3","avatar_url":"https://avatars2.githubusercontent.com/u/16342367?v=4","gravatar_id":"","url":"https://api.github.com/users/brendan-ai2","html_url":"https://github.com/brendan-ai2","followers_url":"https://api.github.com/users/brendan-ai2/followers","following_url":"https://api.github.com/users/brendan-ai2/following{/other_user}","gists_url":"https://api.github.com/users/brendan-ai2/gists{/gist_id}","starred_url":"https://api.github.com/users/brendan-ai2/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/brendan-ai2/subscriptions","organizations_url":"https://api.github.com/users/brendan-ai2/orgs","repos_url":"https://api.github.com/users/brendan-ai2/repos","events_url":"https://api.github.com/users/brendan-ai2/events{/privacy}","received_events_url":"https://api.github.com/users/brendan-ai2/received_events","type":"User","site_admin":false}],"milestone":null,"comments":6,"created_at":"2018-10-09T07:50:57Z","updated_at":"2018-11-15T09:58:59Z","closed_at":null,"author_association":"NONE","body":"**Is your feature request related to a problem? Please describe.**\r\nWe have been working on the allennlp bi-DAF model for machine comprehension and it has come to our noticed that the multi-gpu code is a work in progress. \r\n\r\n**Describe alternatives you've considered**\r\nWe have found a work around from the issue #1439 but the problem with that is everytime the library is updated, we will have to make those changes in our code and rebuilld the whole thing.\r\n\r\n**Describe the solution you'd like**\r\nSince we already have our code using allennlp library, we would like an attempt to fix this problem hoping that the we will not have to touch the multi gpu code again when there is a new release. We saw from your latest issues that this is being worked on and would like to know if we could expedite this feature by contributing to it. Do let us know if there are any specific issues we could pick up with regards to this. @matt-gardner \r\n\r\nThanks,\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/allenai/allennlp/issues/comments/438984211","html_url":"https://github.com/allenai/allennlp/issues/1882#issuecomment-438984211","issue_url":"https://api.github.com/repos/allenai/allennlp/issues/1882","id":438984211,"node_id":"MDEyOklzc3VlQ29tbWVudDQzODk4NDIxMQ==","user":{"login":"vidurj","id":2497724,"node_id":"MDQ6VXNlcjI0OTc3MjQ=","avatar_url":"https://avatars3.githubusercontent.com/u/2497724?v=4","gravatar_id":"","url":"https://api.github.com/users/vidurj","html_url":"https://github.com/vidurj","followers_url":"https://api.github.com/users/vidurj/followers","following_url":"https://api.github.com/users/vidurj/following{/other_user}","gists_url":"https://api.github.com/users/vidurj/gists{/gist_id}","starred_url":"https://api.github.com/users/vidurj/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vidurj/subscriptions","organizations_url":"https://api.github.com/users/vidurj/orgs","repos_url":"https://api.github.com/users/vidurj/repos","events_url":"https://api.github.com/users/vidurj/events{/privacy}","received_events_url":"https://api.github.com/users/vidurj/received_events","type":"User","site_admin":false},"created_at":"2018-11-15T09:58:59Z","updated_at":"2018-11-15T09:58:59Z","author_association":"CONTRIBUTOR","body":"@sai-prasanna I would expect using multiple GPUs to process the same total batch size to be slower than using a single gpu if the batch fits on 1 gpu. 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