{"action":"created","issue":{"url":"https://api.github.com/repos/apache/spark/issues/13891","repository_url":"https://api.github.com/repos/apache/spark","labels_url":"https://api.github.com/repos/apache/spark/issues/13891/labels{/name}","comments_url":"https://api.github.com/repos/apache/spark/issues/13891/comments","events_url":"https://api.github.com/repos/apache/spark/issues/13891/events","html_url":"https://github.com/apache/spark/pull/13891","id":162120073,"number":13891,"title":"[SPARK-6685][MLLIB]Use DSYRK to compute AtA in ALS","user":{"login":"hqzizania","id":9315372,"avatar_url":"https://avatars.githubusercontent.com/u/9315372?v=3","gravatar_id":"","url":"https://api.github.com/users/hqzizania","html_url":"https://github.com/hqzizania","followers_url":"https://api.github.com/users/hqzizania/followers","following_url":"https://api.github.com/users/hqzizania/following{/other_user}","gists_url":"https://api.github.com/users/hqzizania/gists{/gist_id}","starred_url":"https://api.github.com/users/hqzizania/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hqzizania/subscriptions","organizations_url":"https://api.github.com/users/hqzizania/orgs","repos_url":"https://api.github.com/users/hqzizania/repos","events_url":"https://api.github.com/users/hqzizania/events{/privacy}","received_events_url":"https://api.github.com/users/hqzizania/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":25,"created_at":"2016-06-24T10:33:03Z","updated_at":"2016-10-24T02:54:06Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/13891","html_url":"https://github.com/apache/spark/pull/13891","diff_url":"https://github.com/apache/spark/pull/13891.diff","patch_url":"https://github.com/apache/spark/pull/13891.patch"},"body":"## What changes were proposed in this pull request?\r\n\r\njira: https://issues.apache.org/jira/browse/SPARK-6685\r\nThis is to swtich DSPR to DSYRK to use native BLAS to accelerate the computation of AtA in ALS. A buffer is allocated to stack vectors to do Level 3 BLAS routine\r\n\r\n## How was this patch tested?\r\n\r\njava and scala ut\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/apache/spark/issues/comments/255637431","html_url":"https://github.com/apache/spark/pull/13891#issuecomment-255637431","issue_url":"https://api.github.com/repos/apache/spark/issues/13891","id":255637431,"user":{"login":"AmplabJenkins","id":4031291,"avatar_url":"https://avatars.githubusercontent.com/u/4031291?v=3","gravatar_id":"","url":"https://api.github.com/users/AmplabJenkins","html_url":"https://github.com/AmplabJenkins","followers_url":"https://api.github.com/users/AmplabJenkins/followers","following_url":"https://api.github.com/users/AmplabJenkins/following{/other_user}","gists_url":"https://api.github.com/users/AmplabJenkins/gists{/gist_id}","starred_url":"https://api.github.com/users/AmplabJenkins/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AmplabJenkins/subscriptions","organizations_url":"https://api.github.com/users/AmplabJenkins/orgs","repos_url":"https://api.github.com/users/AmplabJenkins/repos","events_url":"https://api.github.com/users/AmplabJenkins/events{/privacy}","received_events_url":"https://api.github.com/users/AmplabJenkins/received_events","type":"User","site_admin":false},"created_at":"2016-10-24T02:54:06Z","updated_at":"2016-10-24T02:54:06Z","body":"Merged build finished. Test FAILed."}}
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