{"action":"created","issue":{"url":"https://api.github.com/repos/dlang/druntime/issues/2384","repository_url":"https://api.github.com/repos/dlang/druntime","labels_url":"https://api.github.com/repos/dlang/druntime/issues/2384/labels{/name}","comments_url":"https://api.github.com/repos/dlang/druntime/issues/2384/comments","events_url":"https://api.github.com/repos/dlang/druntime/issues/2384/events","html_url":"https://github.com/dlang/druntime/pull/2384","id":386332857,"node_id":"MDExOlB1bGxSZXF1ZXN0MjM1MTAyMDAx","number":2384,"title":"fix issue 19455 - GC wastes too much memory","user":{"login":"rainers","id":702284,"node_id":"MDQ6VXNlcjcwMjI4NA==","avatar_url":"https://avatars3.githubusercontent.com/u/702284?v=4","gravatar_id":"","url":"https://api.github.com/users/rainers","html_url":"https://github.com/rainers","followers_url":"https://api.github.com/users/rainers/followers","following_url":"https://api.github.com/users/rainers/following{/other_user}","gists_url":"https://api.github.com/users/rainers/gists{/gist_id}","starred_url":"https://api.github.com/users/rainers/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rainers/subscriptions","organizations_url":"https://api.github.com/users/rainers/orgs","repos_url":"https://api.github.com/users/rainers/repos","events_url":"https://api.github.com/users/rainers/events{/privacy}","received_events_url":"https://api.github.com/users/rainers/received_events","type":"User","site_admin":false},"labels":[{"id":638910588,"node_id":"MDU6TGFiZWw2Mzg5MTA1ODg=","url":"https://api.github.com/repos/dlang/druntime/labels/Enhancement","name":"Enhancement","color":"0052cc","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2018-11-30T20:09:16Z","updated_at":"2018-12-04T05:11:26Z","closed_at":null,"author_association":"MEMBER","pull_request":{"url":"https://api.github.com/repos/dlang/druntime/pulls/2384","html_url":"https://github.com/dlang/druntime/pull/2384","diff_url":"https://github.com/dlang/druntime/pull/2384.diff","patch_url":"https://github.com/dlang/druntime/pull/2384.patch"},"body":"add bins with about 3/2 of existing sizes\r\n\r\nAs @kinke noticed when enabling the GC for dmd (see https://github.com/ldc-developers/ldc/pull/2916), about 40% more memory is used than with the bump-pointer-allocation. This PR should drop the overhead to approximately 15% (similar to the overhead when using C malloc).\r\n\r\nThe example in the bugzilla report drops from 247 MB to 176 MB.\r\n\r\nUnfortunately, std.experimental.gc_allocator makes some assumptions about the GC that are not guaranteed and are only valid for the existing GC (and might also break if you use another replacement GC)."},"comment":{"url":"https://api.github.com/repos/dlang/druntime/issues/comments/443973931","html_url":"https://github.com/dlang/druntime/pull/2384#issuecomment-443973931","issue_url":"https://api.github.com/repos/dlang/druntime/issues/2384","id":443973931,"node_id":"MDEyOklzc3VlQ29tbWVudDQ0Mzk3MzkzMQ==","user":{"login":"thewilsonator","id":6802489,"node_id":"MDQ6VXNlcjY4MDI0ODk=","avatar_url":"https://avatars2.githubusercontent.com/u/6802489?v=4","gravatar_id":"","url":"https://api.github.com/users/thewilsonator","html_url":"https://github.com/thewilsonator","followers_url":"https://api.github.com/users/thewilsonator/followers","following_url":"https://api.github.com/users/thewilsonator/following{/other_user}","gists_url":"https://api.github.com/users/thewilsonator/gists{/gist_id}","starred_url":"https://api.github.com/users/thewilsonator/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/thewilsonator/subscriptions","organizations_url":"https://api.github.com/users/thewilsonator/orgs","repos_url":"https://api.github.com/users/thewilsonator/repos","events_url":"https://api.github.com/users/thewilsonator/events{/privacy}","received_events_url":"https://api.github.com/users/thewilsonator/received_events","type":"User","site_admin":false},"created_at":"2018-12-04T05:11:26Z","updated_at":"2018-12-04T05:11:26Z","author_association":"CONTRIBUTOR","body":"@rainers please give this a kick."}}
{"actor":{"display_login":"thewilsonator"}}