{"action":"closed","issue":{"url":"https://api.github.com/repos/Theano/Theano/issues/4829","repository_url":"https://api.github.com/repos/Theano/Theano","labels_url":"https://api.github.com/repos/Theano/Theano/issues/4829/labels{/name}","comments_url":"https://api.github.com/repos/Theano/Theano/issues/4829/comments","events_url":"https://api.github.com/repos/Theano/Theano/issues/4829/events","html_url":"https://github.com/Theano/Theano/issues/4829","id":169656495,"number":4829,"title":"Make GraphToGPU try more than one optimizer for a node","user":{"login":"Sentient07","id":6195312,"avatar_url":"https://avatars.githubusercontent.com/u/6195312?v=3","gravatar_id":"","url":"https://api.github.com/users/Sentient07","html_url":"https://github.com/Sentient07","followers_url":"https://api.github.com/users/Sentient07/followers","following_url":"https://api.github.com/users/Sentient07/following{/other_user}","gists_url":"https://api.github.com/users/Sentient07/gists{/gist_id}","starred_url":"https://api.github.com/users/Sentient07/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Sentient07/subscriptions","organizations_url":"https://api.github.com/users/Sentient07/orgs","repos_url":"https://api.github.com/users/Sentient07/repos","events_url":"https://api.github.com/users/Sentient07/events{/privacy}","received_events_url":"https://api.github.com/users/Sentient07/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Theano/Theano/labels/Optimization","name":"Optimization","color":"ededed"}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-08-05T17:27:27Z","updated_at":"2016-09-16T20:28:40Z","closed_at":"2016-09-16T20:28:40Z","body":"Similar to how we have `register_useless` for optimization multiple times before moving to the GPU, likewise, we could've this for moving nodes to GPU. If not this would be worth to try for all the nodes, I think trying multiple optimizers would work for few cases where there are multiple optimizers present for same op. ( like a node optimized by`local_gpua_lift_abstractconv2d_graph` could be optimized by `local_abstractconv_cudnn_graph` again) \r\ncc : @nouiz @lamblin "}}
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