From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42573) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XWV2Z-00041K-Ek for qemu-devel@nongnu.org; Tue, 23 Sep 2014 14:42:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XWV2T-0001lj-HX for qemu-devel@nongnu.org; Tue, 23 Sep 2014 14:42:19 -0400 Received: from mail-we0-x236.google.com ([2a00:1450:400c:c03::236]:40981) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XWV2T-0001kU-Bj for qemu-devel@nongnu.org; Tue, 23 Sep 2014 14:42:13 -0400 Received: by mail-we0-f182.google.com with SMTP id u57so3125567wes.27 for ; Tue, 23 Sep 2014 11:42:07 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <5421BEFB.6050500@redhat.com> Date: Tue, 23 Sep 2014 20:42:03 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <5421B93B.7030009@twiddle.net> In-Reply-To: <5421B93B.7030009@twiddle.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Fwd: Re: [PULL 07/11] tcg: Compress TCGLabelQemuLdst List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson , qemu-devel Il 23/09/2014 20:17, Richard Henderson ha scritto: > Ug. Failure to operate the mail program on my phone properly; > the following went to Paolo only instead of the list too. And my reply too, which was basically "np, just asking". Paolo > > -------- Forwarded Message -------- > Subject: Re: [PULL 07/11] tcg: Compress TCGLabelQemuLdst > Date: Mon, 22 Sep 2014 16:10:40 -0700 > From: Richard Henderson > To: Paolo Bonzini > > We probably average less than 10 memory operations per TB, but we reserve space > for 640 of them. > > Probably what ought to be fixed is tcg's entire notion of preallocated arrays. > Obstacks, or similar pooled memory, may well work much better. > > I can certainly drop this patch, but Claudio was the only one to comment when > it was posted three weeks ago. > > > r~ >