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When you assign RAM to background processes for Render Multiple Frames Simultaneously multiprocessing, you choose from a small number of options in the RAM Allocation Per Background CPU menu. But you're not limited to the values in this menu. They are just presets. You can change these presets in the text preferences file.
For example, you could change the value for "MP - Allocation Per Background Process Preset V" to "4.000000" instead of "3.000000" to create a preset value of 4GB. Then, you could assign 4GB to each background process.
Here are the relevant lines of the text preferences file:
["MP - CS5 - 4"]
"MP - Allocation Per Background Process" = "1.500000"
"MP - Allocation Per Background Process Preset I" = "0.750000"
"MP - Allocation Per Background Process Preset II" = "1.000000"
"MP - Allocation Per Background Process Preset III" = "1.500000"
"MP - Allocation Per Background Process Preset IV" = "2.000000"
"MP - Allocation Per Background Process Preset V" = "3.000000"
For information about the preferences file, including its location, see this page:
Keep in mind that Adobe doesn't officially support making changes to the text preferences file, so be sure to be careful about making changes, be sure to make a backup before you make changes, et cetera.
Oh my god - why can't my brand new imac 2.7ghz i5 with 12 Gb of RAM do a simple ram preview at 1/3rd quality - System memory says there are 8.78Gb of free RAM and have tried everything that makes any sense - please help.
Can you provide a bit more detail on the project and version of AE that you are seeing the problem in? What bit depth is the project and what is the comp size? Are there any 3d party effects involved?
Hi Todd, I modified this file and saved. However, when I open AfterFX CS6 it resets the values to the default. Any suggestions?
C:\Users\mpowers\AppData\Roaming\Adobe\After Effects\11.0\Adobe After Effects 11.0-x64 Prefs.txt
Also, I there any scripting method to access turning on and off multiprocessing? (which I need to do quite ofter when it hangs with previews?)
nVidia Quadro 4000
Windows 7 enterprise
32 GB RAM
Here's a script for accessing multiprocessing settings, etc.:
Be sure to only manually modify the text preferences file when After Effects isn't running.
I was part-way into changing these settings in Ae CS5.5 when Ae crashed. Now it crashes everytime I open it .
After effects won't stay open long enough for me to reset the preferences.
- Windows 7 professional.
- i7 2600 quad core.
- 8 GB RAM.
Edit: I fixed the problem, and it's working fine now.
Message was edited by: El_Plates
I'm totally lost and reading everyone's numbers is giving me a headache; I'm not much of a techi but perhaps some one can help me who understands the research; none of the tables (easy to read for me lol) show my case not that I expect them to, here is my setup:
Intel i7 3960X 3.30 Ghz Sandy Bridge-E LGA2011
MSI Big Bang X-Power II X79 4 channel Mem
32GB Kingston Hyper X 1600mhz ram
nVidia Quadro 5000
I use one 480 Kingston Hyper X SSD for OS and programs one 240GB for Scratch disk
4- Seagate Baracuda 1tb 7200 rpm drives in RAID-0 for storage (additional drives for other projects and backup)
I'm using a corsair H100 on the cpu with quad push/pull fans and lots of fans in a Coolermaster Half-X 970 Case, I built this rig last year and have been fairly happy with it but every once and a while it gives me problems; I'm thining about getting more ram but perhaps my settings are not correct. Thank you for your time.
Europe, Middle East and Africa