{"action":"created","issue":{"url":"https://api.github.com/repos/mgba-emu/mgba/issues/181","labels_url":"https://api.github.com/repos/mgba-emu/mgba/issues/181/labels{/name}","comments_url":"https://api.github.com/repos/mgba-emu/mgba/issues/181/comments","events_url":"https://api.github.com/repos/mgba-emu/mgba/issues/181/events","html_url":"https://github.com/mgba-emu/mgba/issues/181","id":119328487,"number":181,"title":"Qt: Performance is extremely sensitive to load on system from other processes, SDL unaffected","user":{"login":"guineawheek","id":8505007,"avatar_url":"https://avatars.githubusercontent.com/u/8505007?v=3","gravatar_id":"","url":"https://api.github.com/users/guineawheek","html_url":"https://github.com/guineawheek","followers_url":"https://api.github.com/users/guineawheek/followers","following_url":"https://api.github.com/users/guineawheek/following{/other_user}","gists_url":"https://api.github.com/users/guineawheek/gists{/gist_id}","starred_url":"https://api.github.com/users/guineawheek/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/guineawheek/subscriptions","organizations_url":"https://api.github.com/users/guineawheek/orgs","repos_url":"https://api.github.com/users/guineawheek/repos","events_url":"https://api.github.com/users/guineawheek/events{/privacy}","received_events_url":"https://api.github.com/users/guineawheek/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":8,"created_at":"2015-11-29T01:23:58Z","updated_at":"2015-12-04T20:51:01Z","closed_at":null,"body":"On Ubuntu 15.10 using OpenGL ES 3.0 Mesa 11.0.2 and the Qt interface, emulation occasionally freezes for a second. The occurrences of the pauses increases dramatically as load on the system from even single-threaded processes rises. \r\n\r\nTo test this I used the following line of python 3 in an interactive session:\r\n```i = 3; while True: i ** 15; print(i)```\r\nThis raises CPU usage on a four-threaded system to 25%. mgba-qt stuttered to the point of being unplayable, whereas SDL mgba functioned perfectly.\r\n\r\nEdit: I try to always compile and test the latest git revisions when possible."},"comment":{"url":"https://api.github.com/repos/mgba-emu/mgba/issues/comments/162078810","html_url":"https://github.com/mgba-emu/mgba/issues/181#issuecomment-162078810","issue_url":"https://api.github.com/repos/mgba-emu/mgba/issues/181","id":162078810,"user":{"login":"endrift","id":605502,"avatar_url":"https://avatars.githubusercontent.com/u/605502?v=3","gravatar_id":"","url":"https://api.github.com/users/endrift","html_url":"https://github.com/endrift","followers_url":"https://api.github.com/users/endrift/followers","following_url":"https://api.github.com/users/endrift/following{/other_user}","gists_url":"https://api.github.com/users/endrift/gists{/gist_id}","starred_url":"https://api.github.com/users/endrift/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/endrift/subscriptions","organizations_url":"https://api.github.com/users/endrift/orgs","repos_url":"https://api.github.com/users/endrift/repos","events_url":"https://api.github.com/users/endrift/events{/privacy}","received_events_url":"https://api.github.com/users/endrift/received_events","type":"User","site_admin":false},"created_at":"2015-12-04T20:51:01Z","updated_at":"2015-12-04T20:51:01Z","body":"@Q3CPMA can you try this on the 0.3 branch in git to see if it works there?"}}