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Grand Central doesn't speed up anything come September

honeymonster 9th Jun 2009

But maybe in the future.

It requires applications to use an entirly new API to perform tasks leveraging the GPU power.

No existing applications will be able to use this out of the box. The developers will need to go back and change the code to use the new API and offer a new "grand central enabled" version in order to take advantage of this.

Only then will you see speed increase.

Some application types lend themselves really good to parallelization, others don't.

Applications processing large quantities of numerical data like e.g. PhotoShop can potentially benefit a great deal from this (unfortunately Apple left Adobe hanging with their lack of backwards compatibility, so PhotoShop CS4 is still a 32bit app - but that's another story).