{"action":"created","issue":{"url":"https://api.github.com/repos/fireice-uk/xmr-stak/issues/1352","repository_url":"https://api.github.com/repos/fireice-uk/xmr-stak","labels_url":"https://api.github.com/repos/fireice-uk/xmr-stak/issues/1352/labels{/name}","comments_url":"https://api.github.com/repos/fireice-uk/xmr-stak/issues/1352/comments","events_url":"https://api.github.com/repos/fireice-uk/xmr-stak/issues/1352/events","html_url":"https://github.com/fireice-uk/xmr-stak/issues/1352","id":312238452,"number":1352,"title":"4gb vs 8gb card hashrate on cryptonight-heavy","user":{"login":"heavyarms2112","id":10115686,"avatar_url":"https://avatars1.githubusercontent.com/u/10115686?v=4","gravatar_id":"","url":"https://api.github.com/users/heavyarms2112","html_url":"https://github.com/heavyarms2112","followers_url":"https://api.github.com/users/heavyarms2112/followers","following_url":"https://api.github.com/users/heavyarms2112/following{/other_user}","gists_url":"https://api.github.com/users/heavyarms2112/gists{/gist_id}","starred_url":"https://api.github.com/users/heavyarms2112/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/heavyarms2112/subscriptions","organizations_url":"https://api.github.com/users/heavyarms2112/orgs","repos_url":"https://api.github.com/users/heavyarms2112/repos","events_url":"https://api.github.com/users/heavyarms2112/events{/privacy}","received_events_url":"https://api.github.com/users/heavyarms2112/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":11,"created_at":"2018-04-07T20:05:28Z","updated_at":"2018-05-26T20:33:56Z","closed_at":"2018-04-25T16:13:18Z","author_association":"NONE","body":"Algo - cryptonight-heavy\r\n\r\n8 x RX570 4GB\r\n6 x RX580 4GB \r\n\r\nAll cards hash around 750-780 on different intensities whereas I read that 8gb cards do 1000-1100 on dual threads config.  \r\n\r\nIs this an algo specific to favor 8gb over 4gb? If not what would be the intensity, worksize for 4gb cards.\r\n\r\nI have tried the following with work_size of 8 for all tests,\r\nsingle thread: intensities 864,896,920, 960\r\ndual thread: intensities 448, 464, 472\r\n\r\nThe best results were on 960 single thread and best in dual thread was 472.  Cryptonight algo used to work fine with 896 intensities dual threads.   Any recommendations?\r\n"},"comment":{"url":"https://api.github.com/repos/fireice-uk/xmr-stak/issues/comments/392286511","html_url":"https://github.com/fireice-uk/xmr-stak/issues/1352#issuecomment-392286511","issue_url":"https://api.github.com/repos/fireice-uk/xmr-stak/issues/1352","id":392286511,"user":{"login":"psychocrypt","id":25899446,"avatar_url":"https://avatars0.githubusercontent.com/u/25899446?v=4","gravatar_id":"","url":"https://api.github.com/users/psychocrypt","html_url":"https://github.com/psychocrypt","followers_url":"https://api.github.com/users/psychocrypt/followers","following_url":"https://api.github.com/users/psychocrypt/following{/other_user}","gists_url":"https://api.github.com/users/psychocrypt/gists{/gist_id}","starred_url":"https://api.github.com/users/psychocrypt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/psychocrypt/subscriptions","organizations_url":"https://api.github.com/users/psychocrypt/orgs","repos_url":"https://api.github.com/users/psychocrypt/repos","events_url":"https://api.github.com/users/psychocrypt/events{/privacy}","received_events_url":"https://api.github.com/users/psychocrypt/received_events","type":"User","site_admin":false},"created_at":"2018-05-26T20:33:56Z","updated_at":"2018-05-26T20:33:56Z","author_association":"COLLABORATOR","body":"we are not saying you should use 3x SMX this the the default setting which\nruns good on the most systems. For the optimal performance you need to hand\ntune the miner.\n"}}
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