{"action":"opened","issue":{"url":"https://api.github.com/repos/SanchoGGP/ggp-base/issues/340","labels_url":"https://api.github.com/repos/SanchoGGP/ggp-base/issues/340/labels{/name}","comments_url":"https://api.github.com/repos/SanchoGGP/ggp-base/issues/340/comments","events_url":"https://api.github.com/repos/SanchoGGP/ggp-base/issues/340/events","html_url":"https://github.com/SanchoGGP/ggp-base/issues/340","id":95399922,"number":340,"title":"Consider only expanding children after parent has multiple visits","user":{"login":"arr28","id":3194913,"avatar_url":"https://avatars.githubusercontent.com/u/3194913?v=3","gravatar_id":"","url":"https://api.github.com/users/arr28","html_url":"https://github.com/arr28","followers_url":"https://api.github.com/users/arr28/followers","following_url":"https://api.github.com/users/arr28/following{/other_user}","gists_url":"https://api.github.com/users/arr28/gists{/gist_id}","starred_url":"https://api.github.com/users/arr28/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/arr28/subscriptions","organizations_url":"https://api.github.com/users/arr28/orgs","repos_url":"https://api.github.com/users/arr28/repos","events_url":"https://api.github.com/users/arr28/events{/privacy}","received_events_url":"https://api.github.com/users/arr28/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/SanchoGGP/ggp-base/labels/experiment","name":"experiment","color":"5319e7"},{"url":"https://api.github.com/repos/SanchoGGP/ggp-base/labels/P2","name":"P2","color":"666666"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-07-16T10:05:29Z","updated_at":"2015-07-16T10:05:29Z","closed_at":null,"body":"Whilst reading the literature, I gather that there's some mileage in not doing the expand step until the parent has had at least N visits (with N=4 being recommended for Go).\r\n\r\nEspecially in games where we expand all the children simultaneously, this stands to give us a reasonable perf. boost for likely little impact on quality.  Therefore, a reasonable chance of an overall positive impact."}}