NUMA and Photoshop CS6 Performance on Multiprocessor Machine

Question

I've been doing a bit of experimenting with the various performance settings in my BIOS in my dual processor Precision T5500 Workstation running Windows 7 x64.
One of the settings is SMP / NUMA - Symmetric MultiProcessing vs. Non Uniform Memory Access.
Since I have two processors, the motherboard offers the choice of mapping the blocks of RAM to the processors in two different ways - the first being every other memory block to each processor, the second being each processor gets one big block and the operating system tries to assign threads to processors so that they more often access the RAM that's tied directly to that processor.
I have been running up to now with the more generic setting - SMP.  But today I decided to try out the NUMA setting.  Since the Windows x64 operating systems since XP x64 have been capable of intelligently allocating memory in the NUMA environment, there is some promise of performance improvement.   But the question, in the chaotic world of multithreading in Windows, is how much?
Overall, having tested Photoshop today with this new setting, I've seen generally positive performance improvements from this setting, with about a 10% to 20% speed improvement in most Photoshop operations, and notably several operations showed larger jumps in performance.
For example, my run time for the Photoshop benchmark at http://clubofone.com/speedtest/ went down from a best of 12.8 seconds to 11.2 seconds.
Opening a large 8000 x 8000 pixel 1.7 GB test file went down from 21.6 to 19.4 seconds.
A fairly large improvement was seen in responsiveness in dragging very large, complex layers around.  Dragging one of the layer groups in the 8000 x 8000 pixel test file went from 5 screen updates per second to about 8 (hard to count, but it got pretty smooth).
Painting with a 5000 pixel soft brush across the 8000 x 8000 pixel image went down from 6.4 seconds to 5.0 seconds.
I haven't really found anything that ends up running slower.
If you've got a modern multi-processor machine and are running Windows x64, and you have the option to set up Non-Uniform Memory Access, I recommend using this setting.
-Noel

Answer 1

Here is the email I got from Wacom.
This is the person that contacted me after I sent them an email
Dick,
If you downloaded and installed the latest Mac OS X driver, it will not work with your Intuos2 tablet.  If you OS X is 10.6+, here are driver directions to follow for a clean install and a link to the last driver:
Open your Applications folder and locate any Tablet or Wacom Tablet folders you have
Use the Utility in each of these folders and click ‘Remove’ under ‘Tablet Software’
Once the software is removed, restart the computer
After restarting, download and install the latest 6.20 driver from:http://cdn.wacom.com/U/drivers/mac/pro/WacomTablet_6.2.0w4.dmg
As always, make sure your tablet is connected directly to your computer.
Avoid using USB hubs, keyboard/monitor ports, or docking stations with the tablets, as they can cause inconsistent behavior.
Linda Evenson
From:
Sent: Monday, December 02, 2013 6:22 PM
To: Support Group Email
Subject: Support Email - Installation
<Email Edited by Host>