From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 93466] [r600g] Emulate fp64 OpenCL operations using integer arithmetic Date: Mon, 21 Dec 2015 13:02:27 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0034906938==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 9DAF06E3F0 for ; Mon, 21 Dec 2015 05:02:27 -0800 (PST) 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 --===============0034906938== Content-Type: multipart/alternative; boundary="1450702947.E8dA6D0.30354"; charset="UTF-8" --1450702947.E8dA6D0.30354 Date: Mon, 21 Dec 2015 13:02:27 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=93466 Bug ID: 93466 Summary: [r600g] Emulate fp64 OpenCL operations using integer arithmetic Product: Mesa Version: git Hardware: Other OS: All Status: NEW Severity: enhancement Priority: medium Component: Drivers/Gallium/r600 Assignee: dri-devel@lists.freedesktop.org Reporter: rivanvx@gmail.com QA Contact: dri-devel@lists.freedesktop.org For teaching and demonstration purposes it would be cool to have emulated fp64 arithmetic on low-end Evergreen and Northern Islands chips which don't support it (e.g. Caicos). However slow it might end up being, it would be really useful to have it at least for teaching GPU computing. glennk, iive and others discussed this in #radeon on 2015-09-13: http://people.freedesktop.org/~cbrill/dri-log/?channel=radeon&highlight_names=&date=2015-09-13 -- You are receiving this mail because: You are the assignee for the bug. --1450702947.E8dA6D0.30354 Date: Mon, 21 Dec 2015 13:02:27 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"
Bug ID 93466
Summary [r600g] Emulate fp64 OpenCL operations using integer arithmetic
Product Mesa
Version git
Hardware Other
OS All
Status NEW
Severity enhancement
Priority medium
Component Drivers/Gallium/r600
Assignee dri-devel@lists.freedesktop.org
Reporter rivanvx@gmail.com
QA Contact dri-devel@lists.freedesktop.org 

For teaching and demonstration purposes it would be cool to have emulated fp64
arithmetic on low-end Evergreen and Northern Islands chips which don't support
it (e.g. Caicos). However slow it might end up being, it would be really useful
to have it at least for teaching GPU computing.

glennk, iive and others discussed this in #radeon on 2015-09-13:
http://people.freedesktop.org/~cbrill/dri-log/?channel=radeon&highlight_names=&date=2015-09-13

You are receiving this mail because:
  • You are the assignee for the bug.
--1450702947.E8dA6D0.30354-- --===============0034906938== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK --===============0034906938==--