Adobe Photoshop CS6 definitely seems better with multithreading than CS5/CS5.5
In the continuing march of improvements, the Photoshop CS6 Public Beta runs on multiple core processors faster than its predecessors. So, yes, CS6 is multicore aware. And yes, it is mutlithreaded as with all recent versions.
If you have a CPU processor system with more than 4 cores, you can expect to see improved performance on those functions which can really take advantage of the multiple cores. As in the past, not all Photoshop routines can be beneficially run on more processors. On the other hand, some Photoshop commands and routines will scale up nicely, and run on as many processors as you’ve got.
I am running the Photoshop CS6 Beta on a hexcore X5680 @ 3.33 GHz and it runs very smoothly and faster than CS5/CS5.5 ever did for most of the things I do. The feeling is one of fluidity in my workflow. This is one of my fave things about CS6.
I’m told that there are a few things you can try to see if the beta really will benefit from th extra core processors. Run Task Manager or Activity Monitor and try:
- Radial Blur
- Free Transform
- Painting with the Bristle Brushes
- Warp on the GPU
Here a couple of links that speak to Photoshop Performance, Processors and Cores:
- How to tune Photoshop CS5 for peak performance – pdf
- Photoshop CS5: Scaling And Rotation – Tom’s Hardware