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Two GPUs to Rule Them All, and in the Software Bind Them—Photoshop CC Now Sharpens 4X Faster

A big thanks to Other World Computing for loaning the 8-core 3.3 GHz Mac Pro and authorized Apple dealer B&H Photo for loaning the 6-core 3.5 GHz Mac Pro.

With the release of Adobe Photoshop CC v14.2 as of Jan 15, 2014 we now have an existence proof of the huge potential for speedup using the GPUs. If more functions follow this path, this could be the biggest gain in performance in a decade or more.

But it’s not just the 2013 Mac Pro that’s a winner; the 2010 Mac Pro sees similar gains, at least with the NVidia 5870 video card, which has dual GPUs on board.

But are both GPUs being used, or just one? Not yet clear.

Nice job, Adobe!

Update March 7 2014: this improvement has apparently been reversed—OS X 10.9.2 and Photoshop CC 14.2.1 is about 3X slower (with GPU) than shown here, yet CPU-only test is identical.

Read more.

2013 Mac Pro performance: Photoshop CC sharpening with and without GPU

World of Panasonic

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