* Re: [gentoo-user] which -march flag to pick for Intel Core 2 Duo in make.conf?
@ 2007-05-28 3:05 99% ` Randy Barlow
0 siblings, 0 replies; 1+ results
From: Randy Barlow @ 2007-05-28 3:05 UTC (permalink / raw
To: gentoo-user
Denis wrote:
> 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?
Just use the -m64 flag when you compile using gcc.
R
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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 99% ` Randy Barlow
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