From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42503) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZVIGQ-000534-WB for qemu-devel@nongnu.org; Fri, 28 Aug 2015 07:56:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZVIGN-0002ix-LJ for qemu-devel@nongnu.org; Fri, 28 Aug 2015 07:56:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44272) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZVIGN-0002it-Fn for qemu-devel@nongnu.org; Fri, 28 Aug 2015 07:56:07 -0400 Message-ID: <1440762963.20725.3.camel@redhat.com> From: Gerd Hoffmann Date: Fri, 28 Aug 2015 13:56:03 +0200 In-Reply-To: <1440679585-13984-1-git-send-email-pl@kamp.de> References: <1440679585-13984-1-git-send-email-pl@kamp.de> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] vnc: allow fall back to RAW encoding List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Lieven Cc: qemu-devel@nongnu.org On Do, 2015-08-27 at 14:46 +0200, Peter Lieven wrote: > I have observed that depending on the contents and the encoding it happens > that sending data as RAW sometimes would take less space than the encoded data. > This is especially the case for small updates or areas with high color images. > If sending RAW encoded data is beneficial allow a fall back to RAW encoding > for the framebuffer update. Do you happen to have some stats for this, especially the "small update" case? We might want to go straight to raw (without trying other encodings) for small updates, to avoid encoding things twice. cheers, Gerd