From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60853) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dUc6q-0000cT-Vr for qemu-devel@nongnu.org; Mon, 10 Jul 2017 13:04:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dUc6m-0005Dg-PO for qemu-devel@nongnu.org; Mon, 10 Jul 2017 13:04:32 -0400 Received: from mail-qt0-x230.google.com ([2607:f8b0:400d:c0d::230]:34109) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dUc6m-0005DJ-LA for qemu-devel@nongnu.org; Mon, 10 Jul 2017 13:04:28 -0400 Received: by mail-qt0-x230.google.com with SMTP id 32so78198114qtv.1 for ; Mon, 10 Jul 2017 10:04:28 -0700 (PDT) Sender: Richard Henderson References: <1499586614-20507-1-git-send-email-cota@braap.org> <87wp7gaadu.fsf@linaro.org> From: Richard Henderson Message-ID: <598548f9-24e4-ff3d-4e7e-ce90d1f5dae6@twiddle.net> Date: Mon, 10 Jul 2017 07:04:23 -1000 MIME-Version: 1.0 In-Reply-To: <87wp7gaadu.fsf@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH 00/22] tcg: per-thread TCG List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?Q?Alex_Benn=c3=a9e?= , "Emilio G. Cota" Cc: qemu-devel@nongnu.org On 07/09/2017 11:50 PM, Alex Bennée wrote: > Side issue. Have we considered the impact on codegen buffer utilisation > by doing an "off-code_gen_buffer" no cache translation the first time we > ever see a TB? No we haven't. Possibly because we'd need additional infrastructure to do even that -- we'd want to record somehow that we've seen a given TB before, so that we *could* generate permanent code for it in future. r~