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Date:      Sun, 5 Jan 2003 18:08:04 +1030
From:      Greg 'groggy' Lehey <grog@FreeBSD.org>
To:        Brett Glass <brett@lariat.org>
Cc:        Rahul Siddharthan <rsidd@online.fr>, chat@FreeBSD.ORG
Subject:   Re: Bystander shot by a spam filter
Message-ID:  <20030105073804.GA72674@wantadilla.lemis.com>
In-Reply-To: <4.3.2.7.2.20030104202908.03c3b100@localhost>
References:  <4.3.2.7.2.20030104201251.029387d0@localhost> <4.3.2.7.2.20030104112015.026a5530@localhost> <4.3.2.7.2.20030104201251.029387d0@localhost> <4.3.2.7.2.20030104202908.03c3b100@localhost>

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On Saturday,  4 January 2003 at 20:31:52 -0700, Brett Glass wrote:
> At 08:22 PM 1/4/2003, Rahul Siddharthan wrote:
>
>> So you disassembled and examined it?  Or did you benchmark it?
>
> Actually, both. In heavy matrix math (with lots of determinants,
> inversions, etc.), Intel beats GCC by a mile. Ditto on "bit-banging"
> (bit manipulation, especially for graphics). Didn't disassemble the
> code, though; just asked the compilers to output assembler. The
> GCC output was so naive it made me wince.

I'd be interested to see some examples.

Greg
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