{"action":"created","issue":{"url":"https://api.github.com/repos/pfnet/chainer/issues/1472","repository_url":"https://api.github.com/repos/pfnet/chainer","labels_url":"https://api.github.com/repos/pfnet/chainer/issues/1472/labels{/name}","comments_url":"https://api.github.com/repos/pfnet/chainer/issues/1472/comments","events_url":"https://api.github.com/repos/pfnet/chainer/issues/1472/events","html_url":"https://github.com/pfnet/chainer/pull/1472","id":169864449,"number":1472,"title":"Add value observer extensions.","user":{"login":"iwiwi","id":469803,"avatar_url":"https://avatars.githubusercontent.com/u/469803?v=3","gravatar_id":"","url":"https://api.github.com/users/iwiwi","html_url":"https://github.com/iwiwi","followers_url":"https://api.github.com/users/iwiwi/followers","following_url":"https://api.github.com/users/iwiwi/following{/other_user}","gists_url":"https://api.github.com/users/iwiwi/gists{/gist_id}","starred_url":"https://api.github.com/users/iwiwi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/iwiwi/subscriptions","organizations_url":"https://api.github.com/users/iwiwi/orgs","repos_url":"https://api.github.com/users/iwiwi/repos","events_url":"https://api.github.com/users/iwiwi/events{/privacy}","received_events_url":"https://api.github.com/users/iwiwi/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/pfnet/chainer/labels/feature","name":"feature","color":"fbca04"}],"state":"open","locked":false,"assignee":{"login":"unnonouno","id":740680,"avatar_url":"https://avatars.githubusercontent.com/u/740680?v=3","gravatar_id":"","url":"https://api.github.com/users/unnonouno","html_url":"https://github.com/unnonouno","followers_url":"https://api.github.com/users/unnonouno/followers","following_url":"https://api.github.com/users/unnonouno/following{/other_user}","gists_url":"https://api.github.com/users/unnonouno/gists{/gist_id}","starred_url":"https://api.github.com/users/unnonouno/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/unnonouno/subscriptions","organizations_url":"https://api.github.com/users/unnonouno/orgs","repos_url":"https://api.github.com/users/unnonouno/repos","events_url":"https://api.github.com/users/unnonouno/events{/privacy}","received_events_url":"https://api.github.com/users/unnonouno/received_events","type":"User","site_admin":false},"assignees":[{"login":"unnonouno","id":740680,"avatar_url":"https://avatars.githubusercontent.com/u/740680?v=3","gravatar_id":"","url":"https://api.github.com/users/unnonouno","html_url":"https://github.com/unnonouno","followers_url":"https://api.github.com/users/unnonouno/followers","following_url":"https://api.github.com/users/unnonouno/following{/other_user}","gists_url":"https://api.github.com/users/unnonouno/gists{/gist_id}","starred_url":"https://api.github.com/users/unnonouno/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/unnonouno/subscriptions","organizations_url":"https://api.github.com/users/unnonouno/orgs","repos_url":"https://api.github.com/users/unnonouno/repos","events_url":"https://api.github.com/users/unnonouno/events{/privacy}","received_events_url":"https://api.github.com/users/unnonouno/received_events","type":"User","site_admin":false}],"milestone":null,"comments":1,"created_at":"2016-08-08T08:02:19Z","updated_at":"2016-08-22T08:25:59Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/pfnet/chainer/pulls/1472","html_url":"https://github.com/pfnet/chainer/pull/1472","diff_url":"https://github.com/pfnet/chainer/pull/1472.diff","patch_url":"https://github.com/pfnet/chainer/pull/1472.patch"},"body":"This PR adds new extensions: `observe_value`, `observe_time`, and `observe_lr`. Extensions `observe_time` and `observe_lr` record the elapsed time and current learning rate to trainer's `observation`. For example, together with `PrintReport`, the elapsed time and current learning rate are displayed during experiments like the following figure. I personally always use these extensions for my experiments.\r\n\r\n![image](https://cloud.githubusercontent.com/assets/469803/17473074/7c9b631a-5d89-11e6-9039-dcbaf48735fe.png)\r\n\r\nExtension `observe_value` is a more general one which receives a function that returns a value to record."},"comment":{"url":"https://api.github.com/repos/pfnet/chainer/issues/comments/241344899","html_url":"https://github.com/pfnet/chainer/pull/1472#issuecomment-241344899","issue_url":"https://api.github.com/repos/pfnet/chainer/issues/1472","id":241344899,"user":{"login":"unnonouno","id":740680,"avatar_url":"https://avatars.githubusercontent.com/u/740680?v=3","gravatar_id":"","url":"https://api.github.com/users/unnonouno","html_url":"https://github.com/unnonouno","followers_url":"https://api.github.com/users/unnonouno/followers","following_url":"https://api.github.com/users/unnonouno/following{/other_user}","gists_url":"https://api.github.com/users/unnonouno/gists{/gist_id}","starred_url":"https://api.github.com/users/unnonouno/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/unnonouno/subscriptions","organizations_url":"https://api.github.com/users/unnonouno/orgs","repos_url":"https://api.github.com/users/unnonouno/repos","events_url":"https://api.github.com/users/unnonouno/events{/privacy}","received_events_url":"https://api.github.com/users/unnonouno/received_events","type":"User","site_admin":false},"created_at":"2016-08-22T08:25:59Z","updated_at":"2016-08-22T08:25:59Z","body":"Is it possible to write tests for these extensions?"}}
{"actor":{"display_login":"unnonouno"}}