{"action":"opened","issue":{"url":"https://api.github.com/repos/dart-lang/dev_compiler/issues/304","labels_url":"https://api.github.com/repos/dart-lang/dev_compiler/issues/304/labels{/name}","comments_url":"https://api.github.com/repos/dart-lang/dev_compiler/issues/304/comments","events_url":"https://api.github.com/repos/dart-lang/dev_compiler/issues/304/events","html_url":"https://github.com/dart-lang/dev_compiler/issues/304","id":103612362,"number":304,"title":"batch compiler is too slow","user":{"login":"jmesserly","id":1081711,"avatar_url":"https://avatars.githubusercontent.com/u/1081711?v=3","gravatar_id":"","url":"https://api.github.com/users/jmesserly","html_url":"https://github.com/jmesserly","followers_url":"https://api.github.com/users/jmesserly/followers","following_url":"https://api.github.com/users/jmesserly/following{/other_user}","gists_url":"https://api.github.com/users/jmesserly/gists{/gist_id}","starred_url":"https://api.github.com/users/jmesserly/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jmesserly/subscriptions","organizations_url":"https://api.github.com/users/jmesserly/orgs","repos_url":"https://api.github.com/users/jmesserly/repos","events_url":"https://api.github.com/users/jmesserly/events{/privacy}","received_events_url":"https://api.github.com/users/jmesserly/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-27T23:02:53Z","updated_at":"2015-08-27T23:02:53Z","closed_at":null,"body":"Building tests...\r\n```\r\n$ dart -c test/codegen_test.dart\r\n00:27 +212: All tests passed!\r\n```\r\nwe're building 251 js files in 27 seconds, or about 100ms per file on my laptop. Now, it's not quite that bad, because processing the SDK takes some time at startup. Still, that feels way too slow.\r\n"}}