{"action":"created","issue":{"url":"https://api.github.com/repos/pmix/master/issues/232","repository_url":"https://api.github.com/repos/pmix/master","labels_url":"https://api.github.com/repos/pmix/master/issues/232/labels{/name}","comments_url":"https://api.github.com/repos/pmix/master/issues/232/comments","events_url":"https://api.github.com/repos/pmix/master/issues/232/events","html_url":"https://github.com/pmix/master/pull/232","id":193715753,"number":232,"title":"dstor: reduce storage space for the key 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1.2","color":"c2e0c6","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/pmix/master/milestones/6","html_url":"https://github.com/pmix/master/milestones/v1.2.0","labels_url":"https://api.github.com/repos/pmix/master/milestones/6/labels","id":2062297,"number":6,"title":"v1.2.0","description":"","creator":{"login":"rhc54","id":2440928,"avatar_url":"https://avatars.githubusercontent.com/u/2440928?v=3","gravatar_id":"","url":"https://api.github.com/users/rhc54","html_url":"https://github.com/rhc54","followers_url":"https://api.github.com/users/rhc54/followers","following_url":"https://api.github.com/users/rhc54/following{/other_user}","gists_url":"https://api.github.com/users/rhc54/gists{/gist_id}","starred_url":"https://api.github.com/users/rhc54/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rhc54/subscriptions","organizations_url":"https://api.github.com/users/rhc54/orgs","repos_url":"https://api.github.com/users/rhc54/repos","events_url":"https://api.github.com/users/rhc54/events{/privacy}","received_events_url":"https://api.github.com/users/rhc54/received_events","type":"User","site_admin":false},"open_issues":4,"closed_issues":8,"state":"open","created_at":"2016-10-11T13:59:51Z","updated_at":"2016-12-06T08:56:16Z","due_on":"2016-12-17T00:00:00Z","closed_at":null},"comments":12,"created_at":"2016-12-06T08:56:16Z","updated_at":"2016-12-07T03:22:46Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/pmix/master/pulls/232","html_url":"https://github.com/pmix/master/pull/232","diff_url":"https://github.com/pmix/master/pull/232.diff","patch_url":"https://github.com/pmix/master/pull/232.patch"},"body":"Currently in dstor the key names are stored in the arrays of 512 bytes.\r\nThis causes memory loss because real key names usually less\r\nthan 16 bytes.This commit reduces the memory footprint by using\r\nonly requested amount memory size to store the key name.\r\n\r\nBeside memory footprint, the key access performance was also\r\nsignificantly improved on PPC (Power8).\r\nAverage amount of L1-dcache-load-misses was decreased by 30%,\r\namount of LLC-load-misses was decreased by 59%."},"comment":{"url":"https://api.github.com/repos/pmix/master/issues/comments/265345018","html_url":"https://github.com/pmix/master/pull/232#issuecomment-265345018","issue_url":"https://api.github.com/repos/pmix/master/issues/232","id":265345018,"user":{"login":"rhc54","id":2440928,"avatar_url":"https://avatars.githubusercontent.com/u/2440928?v=3","gravatar_id":"","url":"https://api.github.com/users/rhc54","html_url":"https://github.com/rhc54","followers_url":"https://api.github.com/users/rhc54/followers","following_url":"https://api.github.com/users/rhc54/following{/other_user}","gists_url":"https://api.github.com/users/rhc54/gists{/gist_id}","starred_url":"https://api.github.com/users/rhc54/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rhc54/subscriptions","organizations_url":"https://api.github.com/users/rhc54/orgs","repos_url":"https://api.github.com/users/rhc54/repos","events_url":"https://api.github.com/users/rhc54/events{/privacy}","received_events_url":"https://api.github.com/users/rhc54/received_events","type":"User","site_admin":false},"created_at":"2016-12-07T03:22:46Z","updated_at":"2016-12-07T03:22:46Z","body":"@artpol84 @jjhursey Thanks for clarifying!! This sounds much more positive than I had interpreted. Let's get it into master and update OMPI so we can see the results on some large machines."}}
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