From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 110781] Radeon: heavy r300 performance drop regression between 11.x and 19.x Date: Mon, 03 Jun 2019 10:11:35 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0461135363==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id 1F37A89217 for ; Mon, 3 Jun 2019 10:11:35 +0000 (UTC) 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 --===============0461135363== Content-Type: multipart/alternative; boundary="15595566950.260D5fdDE.1377" Content-Transfer-Encoding: 7bit --15595566950.260D5fdDE.1377 Date: Mon, 3 Jun 2019 10:11:35 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D110781 --- Comment #11 from Richard Thier --- Slowdown cause is found when bisecting: 8b3a257851905ff444d981e52938cbf2b36ba830 is the first bad commit commit 8b3a257851905ff444d981e52938cbf2b36ba830 Author: Marek Ol=C5=A1=C3=A1k Date: Tue Jul 18 16:08:44 2017 -0400 radeonsi: set a per-buffer flag that disables inter-process sharing (v4) For lower overhead in the CS ioctl. Winsys allocators are not used with interprocess-sharable resources. v2: It shouldn't crash anymore, but the kernel will reject the new flag. v3 (christian): Rename the flag, avoid sending those buffers in the BO list. v4 (christian): Remove setting the kernel flag for now Reviewed-by: Marek Ol=C5=A1=C3=A1k --=20 You are receiving this mail because: You are the assignee for the bug.= --15595566950.260D5fdDE.1377 Date: Mon, 3 Jun 2019 10:11:35 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Comme= nt # 11 on bug 11078= 1 from = Richard Thier 
Slowdown cause is found when bisecting:

8b3a257851905ff444d981e52938cbf2b36ba830 is the first bad commit
commit 8b3a257851905ff444d981e52938cbf2b36ba830
Author: Marek Ol=C5=A1=C3=A1k <marek.olsak@amd.com>
Date:   Tue Jul 18 16:08:44 2017 -0400

    radeonsi: set a per-buffer flag that disables inter-process sharing (v4)

    For lower overhead in the CS ioctl.
    Winsys allocators are not used with interprocess-sharable resources.

    v2: It shouldn't crash anymore, but the kernel will reject the new flag.
    v3 (christian): Rename the flag, avoid sending those buffers in the BO
list.
    v4 (christian): Remove setting the kernel flag for now

    Reviewed-by: Marek Ol=C5=A1=C3=A1k <marek.olsak@amd.com>

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