From: Victor Forsyuk <force@altlinux.org>
To: ALT Devel discussion list <devel@lists.altlinux.org>
Subject: Re: [devel] perlbench: -Os vs -O2
Date: Tue, 23 May 2006 10:48:37 +0300
Message-ID: <20060523074836.GA23019@mail.gu.net> (raw)
In-Reply-To: <4472B6A3.9000604@altlinux.com>
On Tue, May 23, 2006 at 11:15:47AM +0400, Anton Farygin wrote:
> 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 ?
+1
next prev parent reply other threads:[~2006-05-23 7:48 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
2006-05-23 7:48 ` Victor Forsyuk [this message]
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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