From: Dan Farrell <dan@spore.ath.cx>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] which -march flag to pick for Intel Core 2 Duo in make.conf?
Date: Wed, 30 May 2007 20:11:53 -0500 [thread overview]
Message-ID: <20070530201153.5496d3f7@pascal.spore.ath.cx> (raw)
In-Reply-To: <d9a0a6da0705251126n388a5b4au8bd6343824ea708e@mail.gmail.com>
On Fri, 25 May 2007 14:26:32 -0400
Denis <denis.che@gmail.com> wrote:
> On 5/25/07, Andreas Claesson <andreas.claesson@gmail.com> wrote:
> > Since you (Denis) are doing a lot of mathematical calculations you
> > will probably benefit from running in 64bit mode.
>
> I often need to run Monte Carlo simulations (in C) which involve a lot
> of array storage and array scanning/searching operations... I wonder
> what the speed-up would be for those simulations if run under a 64-bit
> mode. Are there any requirements on how the simulations should be
> programmed in order to take advantage of the 64-bit arch, or is that
> automatically done by the GCC compiler and the kernel?
Would you mind telling us what kind of performance difference you
experience?
--
gentoo-user@gentoo.org mailing list
next prev parent reply other threads:[~2007-05-31 1:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-25 9:10 [gentoo-user] which -march flag to pick for Intel Core 2 Duo in make.conf? burlingk
2007-05-25 17:03 ` Andreas Claesson
2007-05-25 18:26 ` Denis
2007-05-28 3:05 ` Randy Barlow
2007-05-31 1:11 ` Dan Farrell [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-05-24 13:55 Denis
2007-05-24 14:15 ` Ryan Sims
2007-05-24 14:17 ` Mark Shields
2007-05-24 15:13 ` Denis
2007-05-24 15:43 ` Neil Bothwick
2007-05-24 15:55 ` Graham Murray
2007-05-24 16:38 ` Denis
2007-05-25 7:22 ` Randy Barlow
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070530201153.5496d3f7@pascal.spore.ath.cx \
--to=dan@spore.ath.cx \
--cc=gentoo-user@lists.gentoo.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox