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Instructions adapted from theBostonian (previous page):

Yosemite 10.10 driver:
http://www.nvidia.com/download/driverResults.aspx/78853

Expand the .pkg
Code:
pkgutil --expand ~/Desktop/WebDriver-WebDriver-343.01.01f01 ~/Desktop/WebDriver
use TextWrangler or other editor to edit ~/Desktop/WebDriver/Distribution file on the line which contains the code var found_hardware = 0 to
Code:
var found_hardware = 1
Delete old .pkg then run this command:

Code:
pkgutil --flatten ~/Desktop/WebDriver ~/Desktop/WebDriver-343.01.01f01.pkg

In terms of performance, the nVidia WebDriver didn't help too much my 9400m GPU. According to the GfxStatus app, it performs the same as the bundled OSX driver.

Edit all Nvidia web driver installers to pass system checks

This method works too: https://forums.macrumors.com/thread...k-nvidia-drivers.1853748/page-5#post-20878271

Just put two // in the “Distribution” file:

String.png


However, I highly doubt enabling Nvidia web drivers is useful for CUDA with a GeForce 320M. The weak 320M has only 48 CUDA cores and 256 MB RAM. AFAIK all CUDA accelerated apps need at least 1 GB RAM to work. Also the screen went sluggish on my MacBook Pro 2010 when I enabled Nvidia web driver and CUDA.

I think it's better to use a MacBook Pro 13' 2012 or Mac Mini 2012 with Thunderbolt and go the eGPU way: https://forums.macrumors.com/threads/building-external-gpus-on-mac-egpu.1893792/
 
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However, I highly doubt enabling Nvidia web drivers is useful for CUDA with a GeForce 320M. The weak 320M has only 48 CUDA cores and 256 MB RAM. AFAIK all CUDA accelerated apps need at least 1 GB RAM to work. Also the screen went sluggish on my MacBook Pro 2010 when I enabled Nvidia web driver and CUDA.

Not everyone has the same needs. I think that enabling CUDA on a 320m is useful for learning programming with CUDA or running your own apps made for CUDA. It will run your parallel code faster than the cpu you have anyway. Also, my Mini has 16GB of RAM while my Retina Macbook has only eight. That is, the Mini can handle more data than my rMBP, although the latter will handle a smaller amount of data around 5x faster. If it needs swapping to the SSD, the Mini will probably outperform the rMBP.

There are multiple variables. For Photoshoping or video editing, your answer makes a lot of sense, but CUDA can be interesting on old machines with some uses.
 
Hi guys!
I just wanted to let you know that I modded the latest nVidia web driver for 10.9.3 so it can install on any computers (You need to have 10.9.3 installed or it will create a javascript error).
Previously the package was looking for Mac Pro 2008, 2009 & 2010. Now it will install on any computers with an nVidia GPU.
I had the chance to test it on my Retina MacBook Pro 2013 (GT 650m 1Gb), my 2010 13" MacBook Pro (320m 256Mb) and my Mac Pro 12 cores 2010. I obtained some performance gains in Cinebench and the latest Hitman game available on the app store, it is now softer and gives me less stutter.
You can also access new options in the system preferences that will allow you to select between nVidia's driver (334.01.01f01) or Apple's driver (310.10.35f08) with a mouse click and select to enable ECC memory for supported GPUs!
I hosted the modded driver on Mega. The link is the following https://mega.co.nz/#!s4EQgaTC!dVP4dXsCsUwpvC176Gqk1SfStVNRxnE5DjvOJfxz-QY
Let me know if you have questions or problems!
Have a nice day!

Edit:
Here is the driver for 10.9.4

Hosted on mega again.
https://mega.co.nz/#!YtMRUDZY!HoB_3Cd21mqWB_FR8GJBKWMK-a2lRYPFSwqYPgUftKM

Wish u could've posted a method on how to mod the drivers instead so I could do this myself on future driver releases. Just my 2 cents.
 
2013 RMBP here running mavericks - will I see any increase in day to day usage? (non gaming)

Not sure about that bu on gaming the performance increase is huge.

New update from OS X Mavericks (10.9.5 13F1507) made the latest NVIDIA web driver incompatible. NVIDIA hasn´t released an updated driver yet.
 
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