{"action":"closed","issue":{"url":"https://api.github.com/repos/kgeorgiy/java-advanced-2015/issues/11","labels_url":"https://api.github.com/repos/kgeorgiy/java-advanced-2015/issues/11/labels{/name}","comments_url":"https://api.github.com/repos/kgeorgiy/java-advanced-2015/issues/11/comments","events_url":"https://api.github.com/repos/kgeorgiy/java-advanced-2015/issues/11/events","html_url":"https://github.com/kgeorgiy/java-advanced-2015/issues/11","id":62833653,"number":11,"title":"HyperThreading","user":{"login":"CoolGirl","id":5044792,"avatar_url":"https://avatars.githubusercontent.com/u/5044792?v=3","gravatar_id":"","url":"https://api.github.com/users/CoolGirl","html_url":"https://github.com/CoolGirl","followers_url":"https://api.github.com/users/CoolGirl/followers","following_url":"https://api.github.com/users/CoolGirl/following{/other_user}","gists_url":"https://api.github.com/users/CoolGirl/gists{/gist_id}","starred_url":"https://api.github.com/users/CoolGirl/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/CoolGirl/subscriptions","organizations_url":"https://api.github.com/users/CoolGirl/orgs","repos_url":"https://api.github.com/users/CoolGirl/repos","events_url":"https://api.github.com/users/CoolGirl/events{/privacy}","received_events_url":"https://api.github.com/users/CoolGirl/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-03-19T00:25:20Z","updated_at":"2015-04-30T07:10:59Z","closed_at":"2015-04-30T07:10:59Z","body":"У меня четырехъядерный процессор с HyperThreading, соответственно, \r\n\r\n     System.out.println(Runtime.getRuntime().availableProcessors()); \r\n\r\nвозвращает восемь, но при этом реального прироста по сравнению с однопоточным исполнением достичь в 8/1.5=5 раз не удаётся (максимальный результат 4.7). Ожидаемый прирост на этом процессоре действительно равен 4*1.2 и  не превышает пяти."}}