{"action":"created","issue":{"url":"https://api.github.com/repos/rust-lang/rust/issues/37864","repository_url":"https://api.github.com/repos/rust-lang/rust","labels_url":"https://api.github.com/repos/rust-lang/rust/issues/37864/labels{/name}","comments_url":"https://api.github.com/repos/rust-lang/rust/issues/37864/comments","events_url":"https://api.github.com/repos/rust-lang/rust/issues/37864/events","html_url":"https://github.com/rust-lang/rust/issues/37864","id":190363654,"number":37864,"title":"Compile-Time Performance Regression","user":{"login":"Mark-Simulacrum","id":5047365,"avatar_url":"https://avatars.githubusercontent.com/u/5047365?v=3","gravatar_id":"","url":"https://api.github.com/users/Mark-Simulacrum","html_url":"https://github.com/Mark-Simulacrum","followers_url":"https://api.github.com/users/Mark-Simulacrum/followers","following_url":"https://api.github.com/users/Mark-Simulacrum/following{/other_user}","gists_url":"https://api.github.com/users/Mark-Simulacrum/gists{/gist_id}","starred_url":"https://api.github.com/users/Mark-Simulacrum/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Mark-Simulacrum/subscriptions","organizations_url":"https://api.github.com/users/Mark-Simulacrum/orgs","repos_url":"https://api.github.com/users/Mark-Simulacrum/repos","events_url":"https://api.github.com/users/Mark-Simulacrum/events{/privacy}","received_events_url":"https://api.github.com/users/Mark-Simulacrum/received_events","type":"User","site_admin":false},"labels":[{"id":64037154,"url":"https://api.github.com/repos/rust-lang/rust/labels/I-compiletime","name":"I-compiletime","color":"e11d21","default":false},{"id":211668100,"url":"https://api.github.com/repos/rust-lang/rust/labels/T-compiler","name":"T-compiler","color":"bfd4f2","default":false}],"state":"open","locked":false,"assignee":{"login":"nikomatsakis","id":155238,"avatar_url":"https://avatars.githubusercontent.com/u/155238?v=3","gravatar_id":"","url":"https://api.github.com/users/nikomatsakis","html_url":"https://github.com/nikomatsakis","followers_url":"https://api.github.com/users/nikomatsakis/followers","following_url":"https://api.github.com/users/nikomatsakis/following{/other_user}","gists_url":"https://api.github.com/users/nikomatsakis/gists{/gist_id}","starred_url":"https://api.github.com/users/nikomatsakis/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nikomatsakis/subscriptions","organizations_url":"https://api.github.com/users/nikomatsakis/orgs","repos_url":"https://api.github.com/users/nikomatsakis/repos","events_url":"https://api.github.com/users/nikomatsakis/events{/privacy}","received_events_url":"https://api.github.com/users/nikomatsakis/received_events","type":"User","site_admin":false},"assignees":[{"login":"nikomatsakis","id":155238,"avatar_url":"https://avatars.githubusercontent.com/u/155238?v=3","gravatar_id":"","url":"https://api.github.com/users/nikomatsakis","html_url":"https://github.com/nikomatsakis","followers_url":"https://api.github.com/users/nikomatsakis/followers","following_url":"https://api.github.com/users/nikomatsakis/following{/other_user}","gists_url":"https://api.github.com/users/nikomatsakis/gists{/gist_id}","starred_url":"https://api.github.com/users/nikomatsakis/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nikomatsakis/subscriptions","organizations_url":"https://api.github.com/users/nikomatsakis/orgs","repos_url":"https://api.github.com/users/nikomatsakis/repos","events_url":"https://api.github.com/users/nikomatsakis/events{/privacy}","received_events_url":"https://api.github.com/users/nikomatsakis/received_events","type":"User","site_admin":false}],"milestone":null,"comments":13,"created_at":"2016-11-18T16:37:20Z","updated_at":"2016-11-22T08:37:50Z","closed_at":null,"body":"#37660 appears to have regressed performance by ~6% on bootstrap, due to a near tripling in time for item-bodies checking (23s to 62s). I'm not sure if that was expected or not, but someone should probably investigate. Let me know if I should open a new issue about that.\r\n\r\nSee [here](http://perf.rust-lang.org/compare.html?date_a=2016-10-19T05%3A13%3A09.000Z&date_b=2016-11-18T01%3A31%3A01.000Z&kind=benchmarks&crates=futures-rs-test-all%2Chelloworld%2Chtml5ever-2016-08-25%2Chyper.0.5.0%2Cinflate-0.1.0%2Cissue-32062-equality-relations-complexity%2Cissue-32278-big-array-of-strings%2Cjld-day15-parser%2Cpiston-image-0.10.3%2Cpiston-image-0.3.11%2Cregex-macros.0.1.30%2Cregex.0.1.30%2Crust-encoding-0.3.0%2Crust-encoding.0.2.32%2Csyntex-0.42.2%2Csyntex-0.42.2-incr-clean&phases=total&group_by=crate) for a comparison across all crates.\r\n\r\ncc @nikomatsakis"},"comment":{"url":"https://api.github.com/repos/rust-lang/rust/issues/comments/262179250","html_url":"https://github.com/rust-lang/rust/issues/37864#issuecomment-262179250","issue_url":"https://api.github.com/repos/rust-lang/rust/issues/37864","id":262179250,"user":{"login":"retep998","id":666308,"avatar_url":"https://avatars.githubusercontent.com/u/666308?v=3","gravatar_id":"","url":"https://api.github.com/users/retep998","html_url":"https://github.com/retep998","followers_url":"https://api.github.com/users/retep998/followers","following_url":"https://api.github.com/users/retep998/following{/other_user}","gists_url":"https://api.github.com/users/retep998/gists{/gist_id}","starred_url":"https://api.github.com/users/retep998/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/retep998/subscriptions","organizations_url":"https://api.github.com/users/retep998/orgs","repos_url":"https://api.github.com/users/retep998/repos","events_url":"https://api.github.com/users/retep998/events{/privacy}","received_events_url":"https://api.github.com/users/retep998/received_events","type":"User","site_admin":false},"created_at":"2016-11-22T08:37:50Z","updated_at":"2016-11-22T08:37:50Z","body":"winapi was totally hit by this.\r\nhttps://gist.github.com/Arnavion/ddcd1af4dc3393b35fa0f11c5dc3119e"}}
{"actor":{"display_login":"retep998"}}