Gentoo Archives: gentoo-user

From: Randy Barlow <randy@×××××××××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] which -march flag to pick for Intel Core 2 Duo in make.conf?
Date: Mon, 28 May 2007 03:11:34
Message-Id: 465A4704.4030903@electronsweatshop.com
In Reply to: Re: [gentoo-user] which -march flag to pick for Intel Core 2 Duo in make.conf? by Denis
1 Denis wrote:
2 > I often need to run Monte Carlo simulations (in C) which involve a lot
3 > of array storage and array scanning/searching operations... I wonder
4 > what the speed-up would be for those simulations if run under a 64-bit
5 > mode. Are there any requirements on how the simulations should be
6 > programmed in order to take advantage of the 64-bit arch, or is that
7 > automatically done by the GCC compiler and the kernel?
8
9 Just use the -m64 flag when you compile using gcc.
10
11 R
12 --
13 gentoo-user@g.o mailing list