lift adobe premiere ram allocation limit? I am working on my fight premiere video. I do have a really expensive high end computer. First I only used 16 gb of ram and when it would use the 16gb adobe would freeze and it would kind of get stuck. Now I plugged in 32 additional gigs and I have 48 gigs of ram. However my computer isn't using more then 31 GB. At first I had issues because the standby ram wasn't being reduced and there would be no free ram. I downloaded microsoft's utility to free stanby ram.  Now I have 17 gigs free. 

It still refuses to allocate more ram to premiere. 
Is this because premiere isn't used to have 48 gigs? can I lift this ram cap somewhere? 

it hits a ceiling of 31 gigs of ram and refuses to allocate further. 





I upgraded from premiere cs6 to 2014.1 cc pro and pro started using almost all the ram at times. However that didn't solve issues for me.
Premiere does not have a maximum memory usability limit. As several others pointed out, this is probably a motherboard limitation issue. @nofare's solution for working with proxies is one way to reduce the memory needs for your project. 

My guess would be, based on your original statement, that the problem is not memory allocation, but disk read speed or perhaps some overly-gargantuan source files. I edit HD and 4K in Premiere on a MBP with 16GB ram all the time and can't ever remember maxing out my RAM. 

A few other things to check, assuming for the sake of argument that your motherboard is not the problem:


What is Premiere's internal "soft" maximum memory allocation set to? This will not only tell you how much your OS is actually seeing, but also how much Premiere is willing to consume. 
Where are your source files located - on internal storage, a USB drive, in the cloud, etc? Premiere could be slowing down as a result of trying to read your source files, particularly if you are using multiple streams simultaneously, from slow I/O sources like USB 2.0 or cloud-based drives.
What is your largest-resolution timeline asset? And, how is it encoded? If you're using gigantic Photoshop files on your timeline, yeah, well...it's gonna be slow. Same goes for RAW video or even 4k mpeg files. They just don't edit easily and could contribute to choppiness or temporary "freezing" in the interface.
What is your playback display quality set to? I typically work with this set to 1/2 or even 1/4 for optimum fps.