{"action":"created","issue":{"url":"https://api.github.com/repos/graalvm/truffleruby/issues/792","repository_url":"https://api.github.com/repos/graalvm/truffleruby","labels_url":"https://api.github.com/repos/graalvm/truffleruby/issues/792/labels{/name}","comments_url":"https://api.github.com/repos/graalvm/truffleruby/issues/792/comments","events_url":"https://api.github.com/repos/graalvm/truffleruby/issues/792/events","html_url":"https://github.com/graalvm/truffleruby/issues/792","id":278038921,"number":792,"title":"\"Reverse Complement\"  benchmark slower than MRI","user":{"login":"Ichaelus","id":1349321,"avatar_url":"https://avatars1.githubusercontent.com/u/1349321?v=4","gravatar_id":"","url":"https://api.github.com/users/Ichaelus","html_url":"https://github.com/Ichaelus","followers_url":"https://api.github.com/users/Ichaelus/followers","following_url":"https://api.github.com/users/Ichaelus/following{/other_user}","gists_url":"https://api.github.com/users/Ichaelus/gists{/gist_id}","starred_url":"https://api.github.com/users/Ichaelus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Ichaelus/subscriptions","organizations_url":"https://api.github.com/users/Ichaelus/orgs","repos_url":"https://api.github.com/users/Ichaelus/repos","events_url":"https://api.github.com/users/Ichaelus/events{/privacy}","received_events_url":"https://api.github.com/users/Ichaelus/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2017-11-30T08:43:03Z","updated_at":"2017-12-01T03:44:20Z","closed_at":null,"author_association":"NONE","body":"The [reverse complement](https://benchmarksgame.alioth.debian.org/u64q/revcomp-description.html#revcomp) example of the Debian Toygame project seems to run ~ 5-10 times slower on truffleruby 0.29 than on MRI1.8.7.\r\n\r\nTo reproduce this issue, clone `git@github.com:Ichaelus/scripts_slower_in_truffle.git` and run `revcomp.rb` with both interpreters.\r\n\r\nMichael"},"comment":{"url":"https://api.github.com/repos/graalvm/truffleruby/issues/comments/348393616","html_url":"https://github.com/graalvm/truffleruby/issues/792#issuecomment-348393616","issue_url":"https://api.github.com/repos/graalvm/truffleruby/issues/792","id":348393616,"user":{"login":"nirvdrum","id":12584,"avatar_url":"https://avatars2.githubusercontent.com/u/12584?v=4","gravatar_id":"","url":"https://api.github.com/users/nirvdrum","html_url":"https://github.com/nirvdrum","followers_url":"https://api.github.com/users/nirvdrum/followers","following_url":"https://api.github.com/users/nirvdrum/following{/other_user}","gists_url":"https://api.github.com/users/nirvdrum/gists{/gist_id}","starred_url":"https://api.github.com/users/nirvdrum/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nirvdrum/subscriptions","organizations_url":"https://api.github.com/users/nirvdrum/orgs","repos_url":"https://api.github.com/users/nirvdrum/repos","events_url":"https://api.github.com/users/nirvdrum/events{/privacy}","received_events_url":"https://api.github.com/users/nirvdrum/received_events","type":"User","site_admin":false},"created_at":"2017-12-01T03:44:20Z","updated_at":"2017-12-01T03:44:20Z","author_association":"MEMBER","body":"I think I've fixed the most egregious issue. Using the default settings from https://github.com/Ichaelus/scripts_slower_in_truffle the benchmark dropped from 298s -> 100s for me. MRI 2.3.5 takes 91s and JRuby 9.1.14.0 takes 67s, so we're still slower but we're considerably closer now."}}
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