From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: poffice@blade.nagaokaut.ac.jp Delivered-To: poffice@blade.nagaokaut.ac.jp Received: from kankan.nagaokaut.ac.jp (kankan.nagaokaut.ac.jp [133.44.2.24]) by blade.nagaokaut.ac.jp (Postfix) with ESMTP id BB91017D914C for ; Wed, 9 Jul 2014 16:45:58 +0900 (JST) Received: from funfun.nagaokaut.ac.jp (funfun.nagaokaut.ac.jp [133.44.2.201]) by kankan.nagaokaut.ac.jp (Postfix) with ESMTP id 41C96B5D828 for ; Wed, 9 Jul 2014 17:09:14 +0900 (JST) Received: from funfun.nagaokaut.ac.jp (localhost.nagaokaut.ac.jp [127.0.0.1]) by funfun.nagaokaut.ac.jp (Postfix) with ESMTP id 56DBB97A839 for ; Wed, 9 Jul 2014 17:09:16 +0900 (JST) X-Virus-Scanned: amavisd-new at nagaokaut.ac.jp Authentication-Results: funfun.nagaokaut.ac.jp (amavisd-new); dkim=fail (1024-bit key) reason="fail (message has been altered)" header.d=sendgrid.me Received: from funfun.nagaokaut.ac.jp ([127.0.0.1]) by funfun.nagaokaut.ac.jp (funfun.nagaokaut.ac.jp [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id x1i6Qplzap8x for ; Wed, 9 Jul 2014 17:09:16 +0900 (JST) Received: from voscc.nagaokaut.ac.jp (voscc.nagaokaut.ac.jp [133.44.1.100]) by funfun.nagaokaut.ac.jp (Postfix) with ESMTP id 05DE297A834 for ; Wed, 9 Jul 2014 17:09:16 +0900 (JST) Received: from neon.ruby-lang.org (neon.ruby-lang.org [221.186.184.75]) by voscc.nagaokaut.ac.jp (Postfix) with ESMTP id 91F5395243E for ; Wed, 9 Jul 2014 17:09:12 +0900 (JST) Received: from [221.186.184.76] (unknown [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id AE1EB12045B; Wed, 9 Jul 2014 17:09:10 +0900 (JST) X-Original-To: ruby-core@ruby-lang.org Delivered-To: ruby-core@ruby-lang.org Received: from o10.shared.sendgrid.net (o10.shared.sendgrid.net [173.193.132.135]) by neon.ruby-lang.org (Postfix) with ESMTPS id CF353120440 for ; Wed, 9 Jul 2014 17:08:59 +0900 (JST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sendgrid.me; h=from:to:references:subject:mime-version:content-type:content-transfer-encoding:list-id; s=smtpapi; bh=csEOD62SbVLQ+/lXsZXFm3M8h3w=; b=kucQ1UvTpRVr4jWlyK auFW/ja5lt6tH27OBF36+JpK283z/zwsNlslvQcwMor7OarH/3hDemb7V+Wu9E2e W5+EXgzi9i2qtUSSFzZrZ1NeiGdCC3s0Apj1nvGXpL4BmFeMjN/cuvOdtMiQVvkI NScLMqFBM8yg0CkPM61aaSOQA= Received: by mf149.sendgrid.net with SMTP id mf149.25340.53BCF8992C 2014-07-09 08:08:57.594510046 +0000 UTC Received: from herokuapp.com (ec2-54-197-40-71.compute-1.amazonaws.com [54.197.40.71]) by ismtpd-031.iad1.sendgrid.net (SG) with ESMTP id 1471a2b039d.791e.991ebe for ; Wed, 09 Jul 2014 08:08:52 +0000 (GMT) Date: Wed, 09 Jul 2014 08:08:52 +0000 From: nobu@ruby-lang.org To: ruby-core@ruby-lang.org Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Redmine-MailingListIntegration-Message-Ids: 37693 X-Redmine-Project: ruby-trunk X-Redmine-Issue-Id: 10015 X-Redmine-Issue-Author: tenderlovemaking X-Redmine-Sender: nobu X-Mailer: Redmine X-Redmine-Host: bugs.ruby-lang.org X-Redmine-Site: Ruby Issue Tracking System X-Auto-Response-Suppress: OOF Auto-Submitted: auto-generated X-SG-EID: ync6xU2WACa70kv/Ymy4QrNMhiuLXJG8OTL2vJD1yS6NN594IW7u92DBeRFtRUwgtM0uhJrYTANUC607ny5uWfPNJxi6sGOYGMGWbhe6tYzPerpTeVSHMrmjuomNP+yY9d71/YUS17Z/FAY17++aYIOyqUojc6JIUWdu8EbzEMw= X-SendGrid-Contentd-ID: {"test_id":"1404893337"} X-ML-Name: ruby-core X-Mail-Count: 63599 Subject: [ruby-core:63599] [ruby-trunk - Bug #10015] Performance regression in Dir#[] X-BeenThere: ruby-core@ruby-lang.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Ruby developers List-Id: Ruby developers List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: ruby-core-bounces@ruby-lang.org Sender: "ruby-core" Issue #10015 has been updated by Nobuyoshi Nakada. Description updated Yes. Or use case-sensitive platforms. ---------------------------------------- Bug #10015: Performance regression in Dir#[] https://bugs.ruby-lang.org/issues/10015#change-47654 * Author: Aaron Patterson * Status: Open * Priority: Normal * Assignee: * Category: * Target version: * ruby -v: ruby 2.2.0dev (2014-02-04 trunk 44802) [x86_64-darwin13.0] * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN ---------------------------------------- r44802 seems to have introduced a performance regression in Dir#[]. Here is the test program: ~~~ruby require 'benchmark' puts Benchmark.realtime { glob = "minitest/*_plugin.rb{,.rb,.bundle}" $LOAD_PATH.map { |load_path| Dir["#{File.expand_path glob, load_path}"] }.flatten.select { |file| File.file? file.untaint } } ~~~ Here is the test time for me: ~~~ $ ruby -v test.rb ruby 2.2.0dev (2014-02-04 trunk 44801) [x86_64-darwin13.0] 0.000341 $ ruby -v test.rb ruby 2.2.0dev (2014-02-04 trunk 44802) [x86_64-darwin13.0] 0.009333 ~~~ r44801 seems much faster than r44802. -- https://bugs.ruby-lang.org/