From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:41900) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ULXv4-0002r2-Tr for qemu-devel@nongnu.org; Fri, 29 Mar 2013 07:56:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ULXv3-0001wu-Pf for qemu-devel@nongnu.org; Fri, 29 Mar 2013 07:56:30 -0400 Received: from hall.aurel32.net ([2001:470:1f15:c4f::1]:36890) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ULXv3-0001wB-Iu for qemu-devel@nongnu.org; Fri, 29 Mar 2013 07:56:29 -0400 Date: Fri, 29 Mar 2013 07:50:15 +0100 From: Aurelien Jarno Message-ID: <20130329065015.GE5000@ohm.aurel32.net> References: <1364484781-15561-1-git-send-email-rth@twiddle.net> <1364484781-15561-15-git-send-email-rth@twiddle.net> <20130328200946.GD5000@ohm.aurel32.net> <5154ACAA.8010107@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <5154ACAA.8010107@twiddle.net> Subject: Re: [Qemu-devel] [PATCH v3 14/20] tcg-arm: Cleanup goto_tb handling List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: Peter Maydell , qemu-devel@nongnu.org On Thu, Mar 28, 2013 at 01:48:42PM -0700, Richard Henderson wrote: > On 2013-03-28 13:09, Aurelien Jarno wrote: > >I already proposed such a patch, but it seems to improve things only on > >some specific cases (kernel boot), while increasing the I/D cache and > >TLB pressure. > > > >See https://lists.gnu.org/archive/html/qemu-devel/2012-10/msg01684.html > > Hmm. I see that your previous attempt didn't also go with a removal of > the 16MB limit on code_gen_buffer. Given the default is 32MB, I wonder > if the decrease in translation makes enough difference. > My patch also removed the 16MB limit. Note also the default is 1/4th of the emulated RAM, so it can be a lot bigger than 32MB. -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurelien@aurel32.net http://www.aurel32.net