On Mon, 2005-02-21 at 21:34 +0100, Daniel Egger wrote:
> On 21.02.2005, at 19:07, Jay Cox wrote:
> > I'm not sure what system the benchmark is being run on, but the cache
> > line size on a P4 is 128Byes (most other systems have smaller cache 
> > line
> > sizes).  A simple test to see if this is the problem would be to change
> > the tile allocation code to allocate an extra 128 bytes of memory per
> > tile.  See app/base/tile.c line 221
> Dual Opteron.

Should only need 64 bytes then.

> > I think it would be a good idea to get some timings from some other
> > operations also.  Perhaps painting with a large brush, or flattening a
> > complicated image.
> Sven, what procedures are currently "parallelized"?

My recolection from many years ago is this:  
        All of the tools->color_tools
        Histogram calculation
        All compositing(?) including:
                Layer stack compositing
                Brush->drawable compositing

More recently sven has parallelized:

Jay Cox

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