From: Anton Farygin <rider@altlinux.com>
To: devel@altlinux.ru
Subject: Re: [devel] perlbench: -Os vs -O2
Date: Tue, 23 May 2006 11:15:47 +0400
Message-ID: <4472B6A3.9000604@altlinux.com> (raw)
In-Reply-To: <20060522175753.GE23861@localhost.localdomain>
Alexey Tourbin wrote:
>
> Своего рода объяснение полученным результатам можно прочитать здесь:
> http://www.faqs.org/docs/artu/ch12s03.html "The most effective way to
> optimize your code is to keep it small and simple." Это касается в том
> числе и бинарного кода. (Далее приводится правдоподобное с технической
> точки зрения объяснение: "Processor cycles are almost free", а любое
> непопадание в кеш сводит на нет всё оптимизацию по переупорядочиванию
> инструкций).
Кстати, может быть нам тоже стоит по умолчанию всё собирать с -Os ?
Rgds,
Rider
next prev parent reply other threads:[~2006-05-23 7:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-22 17:57 Alexey Tourbin
2006-05-23 7:15 ` Anton Farygin [this message]
2006-05-23 7:48 ` Victor Forsyuk
2006-05-23 10:39 ` Igor Zubkov
2006-05-23 10:54 ` Alexey Tourbin
2006-05-23 8:57 ` Led
2006-05-23 9:30 ` Alexey Tourbin
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