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Aperture sluggishness

It does things when it wants to, not when I tell it to

in Apple Aperture , Tuesday, May 20, 2008

I'm in the process of moving, or trying to move, from using Adobe Lightroom to Apple Aperture. The reasons for this I'll get into later, but I'm getting the feeling it may not be a fully satisfying experience. It seems that Aperture 2.1 still has serious performance issues. I'm running it on new MacBook Pro, with 2.5Ghz CoreDuo processor, GeForce 8600M GT graphics card, and 4Gb RAM. Should be enough, really. But I'm beginning to think it isn't.

Aperture 2.1 zips along fast enough in image browsing mode, but as soon as I start adding adjustments, things start going downhill fast. The loupe, for example, starts staggering around like an intoxicated tortoise, and strange video artifacts show up, such as half the image blanking out, or the image disappearing altogether when I move a slider.

Most irritating, the histogram in the levels "brick" doesn't display, and frequently the main histogram doesn't either.


Levels adjustment histogram missing in action...

The histogram itself is very sluggish, and cannot be used to evaluate the effects of adjustments in real time. All in all, it is quite worrying, and also a bit baffling. This is the top end Mac laptop. It is used in PR shots for Aperture 2. And yet it performs at a level which, honestly, is barely adequate. Do I really need a Quad Core Mac Pro to run this thing ?

UPDATE: deleting Aperture's preferences has restored the histogram, and, it seems, performance. I suppose the fact that I repeatedly created and deleted a lot of projects whilst trying to get Lightroom metadata to come across may have had some side effects. Hopefully they won't return.