From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33618) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a6GKT-0000fu-35 for qemu-devel@nongnu.org; Tue, 08 Dec 2015 06:21:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a6GKP-0006zE-0N for qemu-devel@nongnu.org; Tue, 08 Dec 2015 06:21:09 -0500 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:50093) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a6GKO-0006z9-RS for qemu-devel@nongnu.org; Tue, 08 Dec 2015 06:21:04 -0500 Date: Tue, 8 Dec 2015 12:21:03 +0100 From: Aurelien Jarno Message-ID: <20151208112102.GC16874@aurel32.net> References: <20151208103907.GC6136@aurel32.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Aurelien Jarno Subject: Re: [Qemu-devel] tcg: improve MAX_CODE_GEN_BUFFER_SIZE for arm List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Laurent Desnogues Cc: TeLeMan , qemu-devel , Richard Henderson On 2015-12-08 11:51, Laurent Desnogues wrote: > Hello, > > On Tue, Dec 8, 2015 at 11:39 AM, Aurelien Jarno wrote: > [...] > > I already posted a patch a long time ago to remove the 16MB limit on ARM > > hosts: > > > > http://lists.gnu.org/archive/html/qemu-devel/2012-10/msg01684.html > > > > However as you can see in the thread, it has been rejected as it doesn't > > not bring improvement in all cases. > > We could perhaps resurrect it and do some more benchmarking? Who > would be able to do testing on (recent) ARM hardware? I can provide an updated patch, but I would prefer if someone else does the benchmarking on a really recent hardware. Not sure the hardware I have (cortex A7) is really representative of a modern ARM CPU. Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurelien@aurel32.net http://www.aurel32.net