From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24719 invoked by alias); 10 Oct 2015 10:54:50 -0000 Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Workers List List-Post: List-Help: X-Seq: 36822 Received: (qmail 23192 invoked from network); 10 Oct 2015 10:54:48 -0000 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=3l1Tw8rF5jSMjXbRQgV8kpM0cbs+AfgJWbZtkGLSE1U=; b=JVK1N7dzbv/3tC4AQvAd1DB9xBMo+Z6Vr3lT1vVjBqm6WU54Z5cGltNA87ZDPA+wZq MF9EQmlR+eGqMUPj+APECbrCubuOqK4aHO2pZRSglIXyx9FZ+180qukNm//kiW9hp+a1 bStVMnfdM8S8vI2sTvoVQI0M0chYOGqrljzRJADKcACqJZe55jvbBegWw3xHccSviDHs dDv7ThxX/H72euXeeHS1h1kMTZb1K0vaeVg12Ot3F17WRtXQCexixTcwciLQI3cGyhrN TkZkHwpHeEJPV8/MdBt+SBN+rTz8imNu5O2pEmeb65FV/GbPI47bS0hdrbxEXuEnkjeX SlpQ== X-Received: by 10.112.72.193 with SMTP id f1mr9008467lbv.12.1444474484510; Sat, 10 Oct 2015 03:54:44 -0700 (PDT) MIME-Version: 1.0 From: Sebastian Gniazdowski Date: Sat, 10 Oct 2015 12:54:25 +0200 Message-ID: Subject: Slowdown around 5.0.5-dev-0 To: zsh-workers@zsh.org Content-Type: text/plain; charset=UTF-8 Hello, I was testing my scripts and saw that on 5.0.2 having 89k-elements long is much faster than on 5.1.1-dev-0. I ran git bisect and found the commit: 2014-01-18 23f98c3 32285: restart the fheap search in freeheap if the current fheap arena is about to be discarded; fixes crash I documented the behavior on video: https://youtu.be/Crfoh05eWKQ On good commit, the list works fast, with full possible speed, while on bad commit moving one row up or down takes 1 second or more. --- more details --- The good commit can also slow down but always digs itself out of the "crisis". The bad commit is always slow, and never digs out. Best regards, Sebastian Gniazdowski