• Adobe After Effects

  Render fast, preview slow

  Posted by Damien Cote on July 10, 2018 at 1:21 pm

  Hello !

  I have a issue with my new PC and After Effect. I really don’t know why.

  I have a project with a very simple shape (a square), moving on my precomp (100×100 px). I put this precomp in an other comp and I dupplicate it a lot (100x). When I pre-render my project, it’s very very slow… like if my PC isn’t enought powerfull (it still a simple scene for this kind of computer !). But when I did real render, it’s very fast (the render takes few seconds when the pre-render takes minutes).

  Have you got an idea to fix that ?

  My PC :
  Intel Core i7-7700HQ CPU 2.80 GHZ
  RAM 8GO
  NVIDIA GTX 1070

  Thanks !

  Walter Soyka replied 8 years, 2 months ago 2 Members · 1 Reply
• 1 Reply

• 

  Walter Soyka

  July 10, 2018 at 1:55 pm

  Once something is previewed, Ae caches the results so that subsequent previews and renders are faster. This might be what you’re seeing with this example.

  Walter Soyka
  Designer & Mad Scientist at Keen Live [link]
  Motion Graphics, Widescreen Events, Presentation Design, and Consulting
  @keenlive   |   RenderBreak [blog]   |   Profile [LinkedIn]

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