[PD] PDP: better optimization for OSX?
doelie at zzz.kotnet.org
Thu Mar 4 18:23:02 CET 2004
there are no specific optimizations for mac in pdp: it doesn't use
altivec, while on intel the basic operations use mmx.
it's on my list for one of the next versions. it should be quite
straightforward to add in the new design.. problem is that 0.13 is still
not finished. i used the big broom this time..
On Thu, 4 Mar 2004, derek holzer wrote:
> Just playing around this week with PDP on a fairly new TiBook and have
> noticed it is horribly inefficient. A patch which runs between 50 and
> 80% on my Gentoo 1.6 GHz laptop peaks out between 250 and 300% on the G4
> 1 GHz Mac! I can forward the patch to the list, but it is a simple video
> mixer with the capability to loop sequences of 1-50 frames in a somewhat
> random order. Really only two [pdp_qt] objects going to a [pdp_mixer2]
> and a few [metro]s and [random]s to play the clips. Nothing special.
> We are using Yves' packages. I wonder if it is possible to optimize the
> Makefile better for the G4 processor?
> Any ideas?
> derek holzer ::: http://www.umatic.nl
> ---Oblique Strategy # 203:
> "When is it for?
> Who is it for?"
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