{"action":"closed","issue":{"url":"https://api.github.com/repos/fmxy/k-means/issues/1","repository_url":"https://api.github.com/repos/fmxy/k-means","labels_url":"https://api.github.com/repos/fmxy/k-means/issues/1/labels{/name}","comments_url":"https://api.github.com/repos/fmxy/k-means/issues/1/comments","events_url":"https://api.github.com/repos/fmxy/k-means/issues/1/events","html_url":"https://github.com/fmxy/k-means/issues/1","id":146243599,"number":1,"title":"Performance of Thread-Based k-means","user":{"login":"fmxy","id":11218261,"avatar_url":"https://avatars.githubusercontent.com/u/11218261?v=3","gravatar_id":"","url":"https://api.github.com/users/fmxy","html_url":"https://github.com/fmxy","followers_url":"https://api.github.com/users/fmxy/followers","following_url":"https://api.github.com/users/fmxy/following{/other_user}","gists_url":"https://api.github.com/users/fmxy/gists{/gist_id}","starred_url":"https://api.github.com/users/fmxy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fmxy/subscriptions","organizations_url":"https://api.github.com/users/fmxy/orgs","repos_url":"https://api.github.com/users/fmxy/repos","events_url":"https://api.github.com/users/fmxy/events{/privacy}","received_events_url":"https://api.github.com/users/fmxy/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-04-06T09:07:18Z","updated_at":"2016-07-20T17:22:02Z","closed_at":"2016-07-20T17:22:02Z","body":"The first introduced thread-based version is considerably slower than sequential version. \r\nIt seems that the overhead of creating a thread (Callable) and passing arguments will never allow the overall execution to be accelerated, even with a high number of iterations/data points.\r\nThere shall be further investigation on the Callable in terms of return value and parameters, as well as a variation in number of created threads. "}}
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