From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:36017)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1ZXu8X-00050b-2W
	for qemu-devel@nongnu.org; Fri, 04 Sep 2015 12:46:49 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1ZXu8S-0005Y2-R5
	for qemu-devel@nongnu.org; Fri, 04 Sep 2015 12:46:48 -0400
Received: from mail-qk0-x232.google.com ([2607:f8b0:400d:c09::232]:33538)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1ZXu8S-0005Xv-Nl
	for qemu-devel@nongnu.org; Fri, 04 Sep 2015 12:46:44 -0400
Received: by qkdv1 with SMTP id v1so10956982qkd.0
	for <qemu-devel@nongnu.org>; Fri, 04 Sep 2015 09:46:44 -0700 (PDT)
Sender: Richard Henderson <rth7680@gmail.com>
References: <1441173123-25540-1-git-send-email-rth@twiddle.net>
	<CAMo8BfLtNUU4_Tb5jW7NJ0XtjMG4BZjkY2bNoMm2JDDJ2tFt1g@mail.gmail.com>
	<55E705EF.6010403@twiddle.net>
	<CAMo8BfKaow+K76K0ZYOSSCXWe-9omhXgmeZkinmAKyhstkWwUA@mail.gmail.com>
From: Richard Henderson <rth@twiddle.net>
Message-ID: <55E9CAF0.30902@twiddle.net>
Date: Fri, 4 Sep 2015 09:46:40 -0700
MIME-Version: 1.0
In-Reply-To: <CAMo8BfKaow+K76K0ZYOSSCXWe-9omhXgmeZkinmAKyhstkWwUA@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Max Filippov <jcmvbkbc@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>

On 09/04/2015 08:18 AM, Max Filippov wrote:
> On Wed, Sep 2, 2015 at 5:21 PM, Richard Henderson <rth@twiddle.net> wrote:
>> git://github.com/rth7680/qemu.git tcg-search-2
> 
> That makes an impressive speedup for native kernel build on xtensa softmmu:
> down from 1240 minutes to 690.
> 

Yowza.  Is xtensa a hardware or software managed tlb?

I guess that's a data point for going ahead with this, supposing that I can
find the mips+sparc bugs I introduced.

I recall xtensa being one of the trivial conversions.  You didn't notice
anything odd/broken on your target, then?


r~