On 10/19/07, Bryan <[EMAIL PROTECTED]> wrote:
> On 10/19/07, Colby W. <[EMAIL PROTECTED]> wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > On 10/18/07, Bryan <[EMAIL PROTECTED]> wrote:
> > > I have a new Intel Core Duo, and I notice that many of the apps I use
> > > seem to favor only one processor.  If I built an app with gcc, can I
> > > make compile an app so that it utilizes both processors, or am I out
> > > of luck?
> > >
> >
> > Which kernel are you using? SMP is, IIRC, not available with the
> > default kernel (bsd), you'll need to use the bsd.mp kernel in order to
> > utilize multiple processors/cores.
> >
>
> Yes, I am using bsd.mp.  But if I use a program like Audacity, I find
> that it uses only one processor, while the other lies at nearly 100%
> idle.
>
> I'd like to be able to compile, or set a switch, that allows me to
> utilize the second processor in programs like mplayer, or audacity,
> since these often require lots of CPU when decoding/encoding video
> from DVD, or in the case of Audacity, creation and editing of large
> sound files.

last time I checked OpenBSD still had the big kernel lock. You might
want to try FreeBSD or DragonflyBSD which have had more work put into
their multithreading.

-Nick
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