{"action":"created","issue":{"url":"https://api.github.com/repos/servo/webrender/issues/3363","repository_url":"https://api.github.com/repos/servo/webrender","labels_url":"https://api.github.com/repos/servo/webrender/issues/3363/labels{/name}","comments_url":"https://api.github.com/repos/servo/webrender/issues/3363/comments","events_url":"https://api.github.com/repos/servo/webrender/issues/3363/events","html_url":"https://github.com/servo/webrender/issues/3363","id":385057217,"node_id":"MDU6SXNzdWUzODUwNTcyMTc=","number":3363,"title":"test hashbrown out for potential free perf wins","user":{"login":"Gankro","id":1136864,"node_id":"MDQ6VXNlcjExMzY4NjQ=","avatar_url":"https://avatars1.githubusercontent.com/u/1136864?v=4","gravatar_id":"","url":"https://api.github.com/users/Gankro","html_url":"https://github.com/Gankro","followers_url":"https://api.github.com/users/Gankro/followers","following_url":"https://api.github.com/users/Gankro/following{/other_user}","gists_url":"https://api.github.com/users/Gankro/gists{/gist_id}","starred_url":"https://api.github.com/users/Gankro/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Gankro/subscriptions","organizations_url":"https://api.github.com/users/Gankro/orgs","repos_url":"https://api.github.com/users/Gankro/repos","events_url":"https://api.github.com/users/Gankro/events{/privacy}","received_events_url":"https://api.github.com/users/Gankro/received_events","type":"User","site_admin":false},"labels":[{"id":668593863,"node_id":"MDU6TGFiZWw2Njg1OTM4NjM=","url":"https://api.github.com/repos/servo/webrender/labels/area:%20performance","name":"area: performance","color":"bfd4f2","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-11-28T01:13:19Z","updated_at":"2018-12-11T19:36:57Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"https://github.com/Amanieu/hashbrown\r\n\r\nIt's currently being tested out as a replacement for the std's current implementation: https://github.com/rust-lang/rust/pull/56241\r\n\r\nThis would be a nice to try out because it: \r\n\r\n* produces further data for the libs team to make an informed decision about std\r\n* potentially give us free perf wins today (as opposed to maybe in a few months)\r\n* may give us access to lower-level APIs which are normally locked up behind nightly-only feature gates (raw_entry)"},"comment":{"url":"https://api.github.com/repos/servo/webrender/issues/comments/446333319","html_url":"https://github.com/servo/webrender/issues/3363#issuecomment-446333319","issue_url":"https://api.github.com/repos/servo/webrender/issues/3363","id":446333319,"node_id":"MDEyOklzc3VlQ29tbWVudDQ0NjMzMzMxOQ==","user":{"login":"Gankro","id":1136864,"node_id":"MDQ6VXNlcjExMzY4NjQ=","avatar_url":"https://avatars1.githubusercontent.com/u/1136864?v=4","gravatar_id":"","url":"https://api.github.com/users/Gankro","html_url":"https://github.com/Gankro","followers_url":"https://api.github.com/users/Gankro/followers","following_url":"https://api.github.com/users/Gankro/following{/other_user}","gists_url":"https://api.github.com/users/Gankro/gists{/gist_id}","starred_url":"https://api.github.com/users/Gankro/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Gankro/subscriptions","organizations_url":"https://api.github.com/users/Gankro/orgs","repos_url":"https://api.github.com/users/Gankro/repos","events_url":"https://api.github.com/users/Gankro/events{/privacy}","received_events_url":"https://api.github.com/users/Gankro/received_events","type":"User","site_admin":false},"created_at":"2018-12-11T19:36:57Z","updated_at":"2018-12-11T19:36:57Z","author_association":"CONTRIBUTOR","body":"Ah sadly, the out of tree copy requires a nightly feature to get a significant performance bump, due to unstable branch prediction hint intrinsics: https://github.com/Amanieu/hashbrown/blob/master/src/raw/mod.rs#L12-L25"}}
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