From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 68805] 48 fps and 50 fps video decoding is stutter on UVD Date: Mon, 02 Sep 2013 11:43:07 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2115926400==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 30D55E6282 for ; Mon, 2 Sep 2013 04:43:07 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============2115926400== Content-Type: multipart/alternative; boundary="1378122187.527Be0.9392"; charset="us-ascii" --1378122187.527Be0.9392 Date: Mon, 2 Sep 2013 11:43:07 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=68805 --- Comment #4 from Grigori Goronzy --- There are some known performance problems with UVD. I don't believe we know why it is slower than fglrx yet. Maybe something subtle related to UVD setup. Tiling is also disabled for UVD surfaces at the moment. This slightly reduces throughput, especially on GPUs with little memory bandwidth (such as APUs). -- You are receiving this mail because: You are the assignee for the bug. --1378122187.527Be0.9392 Date: Mon, 2 Sep 2013 11:43:07 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 4 on bug 68805 from 
There are some known performance problems with UVD. I don't believe we know why
it is slower than fglrx yet. Maybe something subtle related to UVD setup.

Tiling is also disabled for UVD surfaces at the moment. This slightly reduces
throughput, especially on GPUs with little memory bandwidth (such as APUs).

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