From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 83436] Sudden framerate drops in multiple games Date: Thu, 04 Sep 2014 19:26:25 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2121877832==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 028D96E351 for ; Thu, 4 Sep 2014 12:26:25 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============2121877832== Content-Type: multipart/alternative; boundary="1409858784.5D5b0.27369"; charset="us-ascii" --1409858784.5D5b0.27369 Date: Thu, 4 Sep 2014 19:26:24 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=83436 --- Comment #14 from Emil Velikov --- (In reply to comment #12) > That happens with default ./autogen blah blah > > As i said earlier if i pass -mtune=native -march=native flags perf is > normal, very weird and funny thing in the same time :D Unless you're provided --enable-debug mesa does mess around with the compiler optimisation/debug options (-O* and -g*). And it never touches -mtune or -march. Might be that the compiler is going for some different heuristics before/after the commit causing substantially different code to be generated ? -- You are receiving this mail because: You are the assignee for the bug. --1409858784.5D5b0.27369 Date: Thu, 4 Sep 2014 19:26:24 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 14 on bug 83436 from 
(In reply to comment #12)
>  That happens with default ./autogen blah blah
> 
>  As i said earlier if i pass -mtune=native -march=native flags perf is
> normal, very weird and funny thing in the same time :D

Unless you're provided --enable-debug mesa does mess around with the compiler
optimisation/debug options (-O* and -g*). And it never touches -mtune or
-march. Might be that the compiler is going for some different heuristics
before/after the commit causing substantially different code to be generated ?

You are receiving this mail because:
  • You are the assignee for the bug.
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