{"action":"opened","issue":{"url":"https://api.github.com/repos/systemjs/builder/issues/296","labels_url":"https://api.github.com/repos/systemjs/builder/issues/296/labels{/name}","comments_url":"https://api.github.com/repos/systemjs/builder/issues/296/comments","events_url":"https://api.github.com/repos/systemjs/builder/issues/296/events","html_url":"https://github.com/systemjs/builder/issues/296","id":103753753,"number":296,"title":"Systemjs builder seems slow","user":{"login":"jonricaurte","id":1715240,"avatar_url":"https://avatars.githubusercontent.com/u/1715240?v=3","gravatar_id":"","url":"https://api.github.com/users/jonricaurte","html_url":"https://github.com/jonricaurte","followers_url":"https://api.github.com/users/jonricaurte/followers","following_url":"https://api.github.com/users/jonricaurte/following{/other_user}","gists_url":"https://api.github.com/users/jonricaurte/gists{/gist_id}","starred_url":"https://api.github.com/users/jonricaurte/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jonricaurte/subscriptions","organizations_url":"https://api.github.com/users/jonricaurte/orgs","repos_url":"https://api.github.com/users/jonricaurte/repos","events_url":"https://api.github.com/users/jonricaurte/events{/privacy}","received_events_url":"https://api.github.com/users/jonricaurte/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-28T16:45:34Z","updated_at":"2015-08-28T16:45:34Z","closed_at":null,"body":"Here is my gulp task:\r\n\r\ngulp.task('js', function() {\r\n\r\n  console.log(new Date());\r\n  var builder = new Builder({\r\n    baseURL: '.',\r\n    transpiler: 'babel'\r\n  });\r\n\r\n  builder.loadConfig('config.js')\r\n    .then(function() {\r\n      builder.buildSFX('app/assets/javascripts/application.js', 'public/assets/application.js')\r\n        .then(function () {\r\n          console.log(new Date());\r\n          console.log('Build complete');\r\n        })\r\n        .catch(error);\r\n    })\r\n    .catch(error);\r\n\r\n  function error(msg) {\r\n    console.log('Build error');\r\n    console.log(msg);\r\n  }\r\n});\r\n\r\nIt takes around 30 seconds for it to compile everything the first time, and around 20 seconds the second time. Is there any way to optimize this? I am using jspm and importing my third party references.\r\n\r\nThanks."}}