{"action":"created","issue":{"url":"https://api.github.com/repos/penberg/helix/issues/2","labels_url":"https://api.github.com/repos/penberg/helix/issues/2/labels{/name}","comments_url":"https://api.github.com/repos/penberg/helix/issues/2/comments","events_url":"https://api.github.com/repos/penberg/helix/issues/2/events","html_url":"https://github.com/penberg/helix/issues/2","id":99603515,"number":2,"title":"unordered_map & map usage","user":{"login":"divaykin","id":331169,"avatar_url":"https://avatars.githubusercontent.com/u/331169?v=3","gravatar_id":"","url":"https://api.github.com/users/divaykin","html_url":"https://github.com/divaykin","followers_url":"https://api.github.com/users/divaykin/followers","following_url":"https://api.github.com/users/divaykin/following{/other_user}","gists_url":"https://api.github.com/users/divaykin/gists{/gist_id}","starred_url":"https://api.github.com/users/divaykin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/divaykin/subscriptions","organizations_url":"https://api.github.com/users/divaykin/orgs","repos_url":"https://api.github.com/users/divaykin/repos","events_url":"https://api.github.com/users/divaykin/events{/privacy}","received_events_url":"https://api.github.com/users/divaykin/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":6,"created_at":"2015-08-07T08:17:11Z","updated_at":"2015-08-08T20:44:02Z","closed_at":null,"body":"i think `unordered_map` is rather slow thing. can we consider something else? like own fixed size hash map? also you want to NOT resize at all cost"},"comment":{"url":"https://api.github.com/repos/penberg/helix/issues/comments/129043444","html_url":"https://github.com/penberg/helix/issues/2#issuecomment-129043444","issue_url":"https://api.github.com/repos/penberg/helix/issues/2","id":129043444,"user":{"login":"divaykin","id":331169,"avatar_url":"https://avatars.githubusercontent.com/u/331169?v=3","gravatar_id":"","url":"https://api.github.com/users/divaykin","html_url":"https://github.com/divaykin","followers_url":"https://api.github.com/users/divaykin/followers","following_url":"https://api.github.com/users/divaykin/following{/other_user}","gists_url":"https://api.github.com/users/divaykin/gists{/gist_id}","starred_url":"https://api.github.com/users/divaykin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/divaykin/subscriptions","organizations_url":"https://api.github.com/users/divaykin/orgs","repos_url":"https://api.github.com/users/divaykin/repos","events_url":"https://api.github.com/users/divaykin/events{/privacy}","received_events_url":"https://api.github.com/users/divaykin/received_events","type":"User","site_admin":false},"created_at":"2015-08-08T20:44:02Z","updated_at":"2015-08-08T20:44:02Z","body":"according to `perf report` this line https://github.com/penberg/helix/blob/master/src/nasdaq/itch50_session.cc#L132 takes a lot of time, just lookup by `uint16_t`.\r\n\r\neven though entire 14GB file was processed in about a minute"}}