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vivkumCommunity Manager
Community Manager
May 11, 2023
Question

After Effects Memory Handling Update

  • May 11, 2023
  • 2 replies
  • 723 views

Hello! The following Memory handling updates are available starting After Effects Beta v23.5x23. 

Faster renders 

After Effects now allocates memory more quickly, particularly when After Effects is processing intensely such as with multi-frame concurrent rendering. Memory allocations no longer wait for caches to be freed to create space. Instead, space is created asynchronously as needed. This change results in faster renders. 

Minimum Cache size for core After Effects 

Third Party plugins and Core After Effects share the memory limit as specified through “RAM available for” preference. In this latest build, we have reserved a small amount of memory specifically for the core After Effects functions, separate from the memory allocated for third-party plugins. This change is expected to have a positive impact on both render/playback performance and preview range, as it ensures that core After Effects functions are allocated sufficient memory to function properly, even when resource-intensive third-party plugins are being used. 

Improved Low Memory Warning 

 

The latest build has an improvement to the warning banner shown when AE encounters a low memory situation during preview. The amount of RAM After Effects is allowed to use is set by the “RAM available for” preference, but this amount is shared by all listed Adobe applications. This is not always clear so it can be confusing when “low memory” warnings are encountered during preview when multiple Adobe applications are open. To make this clearer, the updated warning banner now specifically indicates if other Adobe applications are open and recommends closing them to significantly increase AE’s share of the memory limit. 

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    2 replies

    S
    Scott.C.
    Inspiring
    September 26, 2023

    Did this get pushed into the main line of AE? I have been noticing some strange RAM / performance behaviors with multi-frame renders. AE will start rendering with about 10-15 frames simultaneously and then RAM will fill all the way up and performacne actually DECREASES as the render goes along. The render will start with 10-15FPS and then fall to about 6FPS 30min into the render and my CPU usage is basically in the low 10-15% range while ram usage remains really high (200GB).  Generally CPU usage on my 24 core CPU is low even though I install ed the max ammount of (RAM 256GB). Seems like a lot of performance is still being left on the table. 

    S
    Scott.C.
    Inspiring
    September 26, 2023

    I think I figured out part of my problem. The %reserved CPU was set to 1%, I took that to 0 and it doubled the FPS.

    C
    Chris Gunningham
    Participating Frequently
    July 24, 2023

    Hello. I have 256gb of ram, using AE beta 23.6.0 (build 58) I'm getting low memory warnings frequently on UHD Aces comps (simple comps, 1 layer of CAF)

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