LR3 and ramdisk?

Has anyone used a ramdisk with LR3 to make it run faster (particularly in the Develop module)? If so, can you share how you did it?

I have a Windows 7 64-bit machine with 12GB of RAM, so I am willing to give up 4GB or so for a ramdisk. Thanks.

My thoughts on the issue:
1. you need a ramdisk software that works with Win7; some people suggest SuperSpeed Ramdisk http://www.superspeed.​com/desktop/ramdisk.ph​p (it's NOT free)
2. you should use the ramdisk for RAW cache directory

Disclaimer: I didn't try it. It's just theory.

Which is the RAW cache directory? How do you tell LR3 to put it somewhere else?

BTW, I plan to use http://memory.dataram.​com …services/softwa​re/ramdisk which is free for 4GB or less RAM drive.

File Handling tab in Edit - Preferences

When I built my latest system I tried using SuperSpeed Ramdisk Pro to create a Ramdisk and I didn't notice any appreciable increase in performance. Albeit, I don't recall trying Lightroom but I did use Photoshop. I edit extremely large, layered files and I didn't see the expected speed increase. With large amounts of RAM on a 64-bit system the app doesn't swap files to your hard drive as it would with a 32-bit OS. I ended up removing the Ramdisk and software.

PixelMagic wrote in post #11368992
When I built my latest system I tried using SuperSpeed Ramdisk Pro to create a Ramdisk and I didn't notice any appreciable increase in performance. Albeit, I don't recall trying Lightroom but I did use Photoshop. I edit extremely large, layered files and I didn't see the expected speed increase. With large amounts of RAM on a 64-bit system the app doesn't swap files to your hard drive as it would with a 32-bit OS. I ended up removing the Ramdisk and software.

Thanks for that info. I guess you just saved me a lot of time.

If you put the cache on RAM disk you need to regenerate it every time you look at the images, unless it's somehow persistent. 4GB is pretty small for a ram disk too.

tim wrote in post #11377635
If you put the cache on RAM disk you need to regenerate it every time you look at the images, unless it's somehow persistent. 4GB is pretty small for a ram disk too.

Hmm, good info, Tim, and enough to give someone second thought, especially since it can help performance to enlarge the Camera Raw/LR cache to larger.