Re: EM64T compiling options?
Many thanks, I'll read your link with attention. Do you have further
links on threads and IPC ?
I'm thinking in rewriting an old and unfinished logical interpreter in C
that used assembly code (nasm) for truth evaluation of the smallest
elements. I'd like also to create a "small" database for prime numbers
(using John Moyer's storage code) in order to test several things on
prime numbers distribution.
A+
Emmanuel
On Tue, 15 Jul 2008 12:56:18 +0200, "Cyril Jaquier"
<cyril.jaquier@jaqpot.net> said:
> Hi,
>
> > I'm migrating from an i686 to an EM64T machine (Intel core 2 quad) and
> > I'd like to know whether there are specific options that I can pass to
> > gcc for an optimization of my code or if everything is blindly set up.
> > How would I manage the 4 cpu cores if I was to write in assembly?
> >
>
> GCC has a lot of optimization/architecture flags. Just have a look here
> [1]. However, this won't make your software use the 4 cores.
>
> You should use threads or multiple processes with IPC. I don't know what
> you want to do but I think you should forget about writing in assembly
> and use an higher level language. You probably don't need assembly at
> all. Moreover, higher level language have sometimes concurrency and
> synchronization facilities which will help you getting the most of your
> 4 cores.
>
> Regards,
>
> Cyril Jaquier
>
> [1] http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
>
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