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From: Rusty Russell <rusty@rustcorp.com.au>
To: Wedson Almeida Filho <wedsonaf@gmail.com>, Joe Perches <joe@perches.com>
Cc: Tim Abbott <tabbott@ksplice.com>,
	linux-kernel@vger.kernel.org,
	Wedson Almeida Filho <wedsonaf@gmail.com>
Subject: Re: [PATCH v2] lib: One less subtraction in binary search iterations.
Date: Mon, 15 Jul 2013 14:37:21 +0930	[thread overview]
Message-ID: <87ehb01kdy.fsf@rustcorp.com.au> (raw)
In-Reply-To: <1373351822-52050-1-git-send-email-wedsonaf@gmail.com>

Wedson Almeida Filho <wedsonaf@gmail.com> writes:
> The subtraction is removed at the expense of generality: when the element size
> is 1, the array length cannot exceed half the architecture's addressable
> memory.

People do copy code, so I prefer to set the best example possible.

Unless it's a useful optimization, I think it should stay the way it is.

Cheers,
Rusty.

  reply	other threads:[~2013-07-15  5:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-06 23:07 [PATCH] lib: One less subtraction in binary search iterations Wedson Almeida Filho
2013-07-07  4:59 ` Joe Perches
2013-07-09  3:51   ` Wedson Almeida Filho
2013-07-09  4:12     ` Joe Perches
2013-07-09  4:58       ` Wedson Almeida Filho
2013-07-09  6:37         ` [PATCH v2] " Wedson Almeida Filho
2013-07-15  5:07           ` Rusty Russell [this message]
2013-07-09  7:47     ` [PATCH] " Vineet Gupta
2013-07-09  9:19       ` Mikael Pettersson
2013-07-08  1:46 ` Rusty Russell

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