{"action":"created","issue":{"url":"https://api.github.com/repos/dotnet/coreclr/issues/8346","repository_url":"https://api.github.com/repos/dotnet/coreclr","labels_url":"https://api.github.com/repos/dotnet/coreclr/issues/8346/labels{/name}","comments_url":"https://api.github.com/repos/dotnet/coreclr/issues/8346/comments","events_url":"https://api.github.com/repos/dotnet/coreclr/issues/8346/events","html_url":"https://github.com/dotnet/coreclr/pull/8346","id":192245075,"number":8346,"title":"string.Join small optimization","user":{"login":"AlexRadch","id":6407980,"avatar_url":"https://avatars.githubusercontent.com/u/6407980?v=3","gravatar_id":"","url":"https://api.github.com/users/AlexRadch","html_url":"https://github.com/AlexRadch","followers_url":"https://api.github.com/users/AlexRadch/followers","following_url":"https://api.github.com/users/AlexRadch/following{/other_user}","gists_url":"https://api.github.com/users/AlexRadch/gists{/gist_id}","starred_url":"https://api.github.com/users/AlexRadch/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AlexRadch/subscriptions","organizations_url":"https://api.github.com/users/AlexRadch/orgs","repos_url":"https://api.github.com/users/AlexRadch/repos","events_url":"https://api.github.com/users/AlexRadch/events{/privacy}","received_events_url":"https://api.github.com/users/AlexRadch/received_events","type":"User","site_admin":false},"labels":[{"id":197462704,"url":"https://api.github.com/repos/dotnet/coreclr/labels/cla-already-signed","name":"cla-already-signed","color":"009800","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2016-11-29T10:35:42Z","updated_at":"2016-11-30T14:36:12Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/dotnet/coreclr/pulls/8346","html_url":"https://github.com/dotnet/coreclr/pull/8346","diff_url":"https://github.com/dotnet/coreclr/pull/8346.diff","patch_url":"https://github.com/dotnet/coreclr/pull/8346.patch"},"body":"string.Join small optimization by calling string.JoinCore"},"comment":{"url":"https://api.github.com/repos/dotnet/coreclr/issues/comments/263888508","html_url":"https://github.com/dotnet/coreclr/pull/8346#issuecomment-263888508","issue_url":"https://api.github.com/repos/dotnet/coreclr/issues/8346","id":263888508,"user":{"login":"jamesqo","id":9159214,"avatar_url":"https://avatars.githubusercontent.com/u/9159214?v=3","gravatar_id":"","url":"https://api.github.com/users/jamesqo","html_url":"https://github.com/jamesqo","followers_url":"https://api.github.com/users/jamesqo/followers","following_url":"https://api.github.com/users/jamesqo/following{/other_user}","gists_url":"https://api.github.com/users/jamesqo/gists{/gist_id}","starred_url":"https://api.github.com/users/jamesqo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jamesqo/subscriptions","organizations_url":"https://api.github.com/users/jamesqo/orgs","repos_url":"https://api.github.com/users/jamesqo/repos","events_url":"https://api.github.com/users/jamesqo/events{/privacy}","received_events_url":"https://api.github.com/users/jamesqo/received_events","type":"User","site_admin":false},"created_at":"2016-11-30T14:36:12Z","updated_at":"2016-11-30T14:36:12Z","body":"@AlexRadch \r\n\r\n> How to create performance test for System.Private.CoreLib? Do you have any instruction or example? Also here is small optimization.\r\n\r\nI have posted instructions previously at https://github.com/dotnet/coreclr/pull/3163#issuecomment-254064753."}}
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