From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55412) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dR5tX-0004v4-IS for qemu-devel@nongnu.org; Fri, 30 Jun 2017 20:04:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dR5tT-00047g-AH for qemu-devel@nongnu.org; Fri, 30 Jun 2017 20:04:15 -0400 Date: Fri, 30 Jun 2017 20:04:08 -0400 From: "Emilio G. Cota" Message-ID: <20170701000408.GA16320@flamenco> References: <20170630183736.13222-1-rth@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170630183736.13222-1-rth@twiddle.net> Subject: Re: [Qemu-devel] [PATCH] target/ppc: Use tcg_gen_lookup_and_goto_ptr List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org On Fri, Jun 30, 2017 at 11:37:36 -0700, Richard Henderson wrote: > Cc: qemu-ppc@nongnu.org > Signed-off-by: Richard Henderson > --- > target/ppc/translate.c | 23 ++++++++--------------- > 1 file changed, 8 insertions(+), 15 deletions(-) Tested-by: Emilio G. Cota Just measured the speedup for linux-user: SPECint06 (test set), ppc64le-linux-user. Host: IBM POWER8 @ 3.42 GHz 1.6 +-+------+---------+--------+--------+--------+---------+--------+--------+---------+--------+--------+--------+---------+------+-+ | | | | | after | 1.5 +-+.................................................................................|...........................................+-+ | | | | ****** | 1.4 +-+.....+++.....................................................+++..............*..|.*.....+++.................................+-+ | | +++ | * | * | | | | | | * | * ***** | 1.3 +-+......|....................................|..................|...............*..|.*....*.|.*................................+-+ | | +++ ****** ***** * +++* * | * ****** | | ****** | * | * * | * * * *+++* *+++ * | 1.2 +-+....*.|..*...............|...............*.|..*.....+++.....*.|.*.............*....*....*...*.............*....*.............+-+ | * | * | * | * | *+++* * * * * * * ****** | | * | * ***** *+++ * ****** * * * * * * * * * +++* | 1.1 +-+....*+++.*.............*.|.*.............*....*...*.+++*....*...*.............*....*....*...*.....+++.....*....*...*....*....+-+ | * * * | * * * * * * * * * * * | * * * * | | * * * | * * * * * * * ****** * * * * | * * * * | 1 +-+....*....*.....+++.....*+++*.....+++.....*....*...*....*....*...*....*....*...*....*....*...*....*****....*....*...*....*....+-+ | * * | * * | * * * * * * * * * * * * * | * * * * * | | * * | * * ***** * * * * * * * * * * * * * | * * * * * | 0.9 +-+....*....*...******....*...*....*.|.*....*....*...*....*....*...*....*....*...*....*....*...*....*.|.*....*....*...*....*....+-+ | * * * | * * * * | * * * * * * * * * * * * * *+++* * * * * | | * * * +++* * * *+++* * * * * * * * * * * * * * * * * * * | 0.8 +-+----******---******----*****----*****----******---******----*****----******---******----*****----*****----******---******----+-+ 400.perlbench 401.bzip2 403.gcc 429.mcf445.gobmk 456.hmmer458.462.libquantu464.h264r471.omnetpp473.a483.xalancbmk gmean png: http://imgur.com/a/twj6V Thanks, Emilio PS. If you have spec06, you can very easily generate these plots. See https://github.com/cota/runspec-simple/commit/14211b927