{"action":"created","issue":{"url":"https://api.github.com/repos/monero-project/monero/issues/4218","repository_url":"https://api.github.com/repos/monero-project/monero","labels_url":"https://api.github.com/repos/monero-project/monero/issues/4218/labels{/name}","comments_url":"https://api.github.com/repos/monero-project/monero/issues/4218/comments","events_url":"https://api.github.com/repos/monero-project/monero/issues/4218/events","html_url":"https://github.com/monero-project/monero/pull/4218","id":347331467,"node_id":"MDExOlB1bGxSZXF1ZXN0MjA1OTc5Njcx","number":4218,"title":"Cryptonight variant 2","user":{"login":"SChernykh","id":15806605,"node_id":"MDQ6VXNlcjE1ODA2NjA1","avatar_url":"https://avatars0.githubusercontent.com/u/15806605?v=4","gravatar_id":"","url":"https://api.github.com/users/SChernykh","html_url":"https://github.com/SChernykh","followers_url":"https://api.github.com/users/SChernykh/followers","following_url":"https://api.github.com/users/SChernykh/following{/other_user}","gists_url":"https://api.github.com/users/SChernykh/gists{/gist_id}","starred_url":"https://api.github.com/users/SChernykh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/SChernykh/subscriptions","organizations_url":"https://api.github.com/users/SChernykh/orgs","repos_url":"https://api.github.com/users/SChernykh/repos","events_url":"https://api.github.com/users/SChernykh/events{/privacy}","received_events_url":"https://api.github.com/users/SChernykh/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":173,"created_at":"2018-08-03T09:47:47Z","updated_at":"2018-09-08T08:40:12Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/monero-project/monero/pulls/4218","html_url":"https://github.com/monero-project/monero/pull/4218","diff_url":"https://github.com/monero-project/monero/pull/4218.diff","patch_url":"https://github.com/monero-project/monero/pull/4218.patch"},"body":"Contains two modifications to improve ASIC resistance: shuffle and integer math.\r\n\r\nShuffle makes use of the whole 64-byte cache line instead of 16 bytes only, making Cryptonight 4 times more demanding for memory bandwidth.\r\n\r\nInteger math adds 64:32 bit integer division followed by 64 bit integer square root, adding large and unavoidable computational latency to the main loop.\r\n\r\nMore or less complete description of these changes and performance numbers are here: https://github.com/SChernykh/xmr-stak-cpu/blob/master/README.md\r\n\r\nDiscussion that preceded this pull request: https://github.com/SChernykh/xmr-stak-cpu/issues/1"},"comment":{"url":"https://api.github.com/repos/monero-project/monero/issues/comments/419624058","html_url":"https://github.com/monero-project/monero/pull/4218#issuecomment-419624058","issue_url":"https://api.github.com/repos/monero-project/monero/issues/4218","id":419624058,"node_id":"MDEyOklzc3VlQ29tbWVudDQxOTYyNDA1OA==","user":{"login":"MoneroCrusher","id":32360383,"node_id":"MDQ6VXNlcjMyMzYwMzgz","avatar_url":"https://avatars0.githubusercontent.com/u/32360383?v=4","gravatar_id":"","url":"https://api.github.com/users/MoneroCrusher","html_url":"https://github.com/MoneroCrusher","followers_url":"https://api.github.com/users/MoneroCrusher/followers","following_url":"https://api.github.com/users/MoneroCrusher/following{/other_user}","gists_url":"https://api.github.com/users/MoneroCrusher/gists{/gist_id}","starred_url":"https://api.github.com/users/MoneroCrusher/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MoneroCrusher/subscriptions","organizations_url":"https://api.github.com/users/MoneroCrusher/orgs","repos_url":"https://api.github.com/users/MoneroCrusher/repos","events_url":"https://api.github.com/users/MoneroCrusher/events{/privacy}","received_events_url":"https://api.github.com/users/MoneroCrusher/received_events","type":"User","site_admin":false},"created_at":"2018-09-08T08:40:12Z","updated_at":"2018-09-08T08:40:12Z","author_association":"NONE","body":"As a side note I think we should also implement a faster difficulty ajdustment algorithm. Masari's algo seems pretty good from what I've read. With the current way & the huge influx of ETH miners coming end of October we will most likely see similar behaviour as ETN had seen in the past:\r\nreally big farms mining blocks faster then leaving the network to mine something else while the rest of the network has to cope with higher difficulty/slower blocks for the rest of the day."}}
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