{"action":"closed","issue":{"url":"https://api.github.com/repos/kazuto1011/deeplab-pytorch/issues/74","repository_url":"https://api.github.com/repos/kazuto1011/deeplab-pytorch","labels_url":"https://api.github.com/repos/kazuto1011/deeplab-pytorch/issues/74/labels{/name}","comments_url":"https://api.github.com/repos/kazuto1011/deeplab-pytorch/issues/74/comments","events_url":"https://api.github.com/repos/kazuto1011/deeplab-pytorch/issues/74/events","html_url":"https://github.com/kazuto1011/deeplab-pytorch/issues/74","id":516983860,"node_id":"MDU6SXNzdWU1MTY5ODM4NjA=","number":74,"title":"GPU memory usage is very high","user":{"login":"Kenneth-X","id":13057987,"node_id":"MDQ6VXNlcjEzMDU3OTg3","avatar_url":"https://avatars2.githubusercontent.com/u/13057987?v=4","gravatar_id":"","url":"https://api.github.com/users/Kenneth-X","html_url":"https://github.com/Kenneth-X","followers_url":"https://api.github.com/users/Kenneth-X/followers","following_url":"https://api.github.com/users/Kenneth-X/following{/other_user}","gists_url":"https://api.github.com/users/Kenneth-X/gists{/gist_id}","starred_url":"https://api.github.com/users/Kenneth-X/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Kenneth-X/subscriptions","organizations_url":"https://api.github.com/users/Kenneth-X/orgs","repos_url":"https://api.github.com/users/Kenneth-X/repos","events_url":"https://api.github.com/users/Kenneth-X/events{/privacy}","received_events_url":"https://api.github.com/users/Kenneth-X/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2019-11-04T06:58:15Z","updated_at":"2019-11-04T11:25:45Z","closed_at":"2019-11-04T11:25:45Z","author_association":"NONE","body":"my gpu:Tesla P100-PCIE, 16276MiB Memory\r\n\r\nmy batch size =2 and gpu id =0,1 (1 image for each gpu) ,input size=(513,513)\r\nwhen the training  is start ,the memory usage is very high(12756MiB / 16276MiB) and drop to normal after a while(4689MiB / 16276MiB)\r\n\r\nThis makes  a very low input size, as i can not input a biger size(1000,1000) beacuse memory usage will blow up at first\r\n\r\nwhat makes this happen? Can it be optimised?  how can i solve it "}}
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