From: Sven Eckelmann <sven.eckelmann@gmx.de>
To: b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [PATCH] batman-adv: Calculate hamming weight using optimized kernel functions
Date: Tue, 20 Jul 2010 16:54:10 +0200 [thread overview]
Message-ID: <201007201654.12258.sven.eckelmann@gmx.de> (raw)
In-Reply-To: <1279616589-3086-1-git-send-email-sven.eckelmann@gmx.de>
[-- Attachment #1: Type: Text/Plain, Size: 725 bytes --]
Sven Eckelmann wrote:
> The Kernighan algorithm is not able to calculate the number of set bits
> in parallel and the compiler cannot replace it with optimized
> instructions.
>
> The kernel provides specialised functions for each cpu which can either
> use a software implementation or hardware instruction depending on the
> target cpu.
>
> Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
> ---
Maybe someone could do me the favor and add before the Signed-off-by: line one
that mentions that David S. Miller is the actual reporter. This would look
something like this:
Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
thanks,
Sven
[-- Attachment #2: This is a digitally signed message part. --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
next prev parent reply other threads:[~2010-07-20 14:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 9:03 [B.A.T.M.A.N.] [PATCH] batman-adv: Calculate hamming weight using optimized kernel functions Sven Eckelmann
2010-07-20 14:54 ` Sven Eckelmann [this message]
2010-07-22 15:50 ` Marek Lindner
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=201007201654.12258.sven.eckelmann@gmx.de \
--to=sven.eckelmann@gmx.de \
--cc=b.a.t.m.a.n@lists.open-mesh.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