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From: Josh Triplett <josh@freedesktop.org>
To: Al Viro <viro@ftp.linux.org.uk>, linux-sparse@vger.kernel.org
Subject: Re: [PATCH] switch to hash-based get_one_special()
Date: Tue, 24 Oct 2006 08:42:34 -0700	[thread overview]
Message-ID: <453E346A.1010203@freedesktop.org> (raw)
In-Reply-To: <20061001185502.GA29920@ftp.linux.org.uk>

Al Viro wrote:
> Weird, but true: the set of C two-character punctuators and
> two-symbol prefices of three-character punctuators is
> distinguishable by 5-bit hash function (27 out of 32).
> Application is obvious - we get much faster get_one_special()
> out of that...
> 
> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
> ---
>
> [and now all patches older than a month are gone]
> 
>  token.h    |   18 +++++++-------
>  tokenize.c |   78 +++++++++++++++++++++++++++++++++++++++++++++++++++---------
>  2 files changed, 75 insertions(+), 21 deletions(-)

Added to my sparse tree at:
git://git.kernel.org/pub/scm/linux/kernel/git/josh/sparse.git

Thanks,
Josh Triplett

      reply	other threads:[~2006-10-24 15:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-01 18:55 [PATCH] switch to hash-based get_one_special() Al Viro
2006-10-24 15:42 ` Josh Triplett [this message]

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