From: "Emilio G. Cota" <cota@braap.org>
To: Richard Henderson <rth@twiddle.net>
Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] target/ppc: Use tcg_gen_lookup_and_goto_ptr
Date: Fri, 30 Jun 2017 20:04:08 -0400 [thread overview]
Message-ID: <20170701000408.GA16320@flamenco> (raw)
In-Reply-To: <20170630183736.13222-1-rth@twiddle.net>
On Fri, Jun 30, 2017 at 11:37:36 -0700, Richard Henderson wrote:
> Cc: qemu-ppc@nongnu.org
> Signed-off-by: Richard Henderson <rth@twiddle.net>
> ---
> target/ppc/translate.c | 23 ++++++++---------------
> 1 file changed, 8 insertions(+), 15 deletions(-)
Tested-by: Emilio G. Cota <cota@braap.org>
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
next prev parent reply other threads:[~2017-07-01 0:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-30 18:37 [Qemu-devel] [PATCH] target/ppc: Use tcg_gen_lookup_and_goto_ptr Richard Henderson
2017-07-01 0:04 ` Emilio G. Cota [this message]
2017-09-22 14:33 ` Thomas Huth
2017-10-26 12:22 ` [Qemu-devel] [Qemu-ppc] " Thomas Huth
2017-10-26 13:44 ` Philippe Mathieu-Daudé
2017-10-26 21:12 ` David Gibson
2017-10-27 13:44 ` David Gibson
2017-10-27 13:55 ` David Gibson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170701000408.GA16320@flamenco \
--to=cota@braap.org \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
--cc=rth@twiddle.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.