From: Joe Perches <joe@perches.com>
To: Alexey Dobriyan <adobriyan@gmail.com>, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] seq_file: delete small-value optimization
Date: Wed, 17 May 2017 00:11:40 -0700 [thread overview]
Message-ID: <1495005100.31562.22.camel@perches.com> (raw)
In-Reply-To: <20170516204246.GA18123@avx2>
On Tue, 2017-05-16 at 23:42 +0300, Alexey Dobriyan wrote:
> num_to_str() optimizes printing small integers [0..9], so the same
> check higher in callchain is unnecessary.
Doesn't the optimization exists for the frequent use of 0
in seq output?
These seq_put_decimal calls are now slightly more expensive.
next prev parent reply other threads:[~2017-05-17 7:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-16 20:42 [PATCH] seq_file: delete small-value optimization Alexey Dobriyan
2017-05-17 7:11 ` Joe Perches [this message]
-- strict thread matches above, loose matches on Subject: below --
2017-05-17 10:33 Alexey Dobriyan
2017-05-17 23:25 ` Joe Perches
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=1495005100.31562.22.camel@perches.com \
--to=joe@perches.com \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox