same here, version 16.1.3 and renders is 200% to 300% slower when mac screen goes off Energy saver settings are: computer never goes to sleep screen goes to sleep after 15 min. when screen is ON, rendering frames to images gives 1 frame per ~1 minute, when screen is OFF it goes for 2~3 minutes (it takes some minutes to start slowing down) as soon as screen is ON render start faster again. Weird, I have to keep screen ON, as I chave 3 screens, this is a lot of power comsumption over nigth, of course I disconnetc 2 screens, but anyway, very awkward Could this be becasue when screen is OFF, AE is no longer the main task for OSX and the OS reduces processor resources???? My bet is this hapens to everyone, but is hard to tell if the render has been slower than it could be, as to tell the difference you have to do the render twice, one with the screen ON and other with the screen locked or screensaver ON. This drives me nuts as I can't leave the computer without locking screen because I'm in a co-working. check the times: one minute difference is while websurfing, as soon as I left computer, and screen locks times rises!! red label marks screen lock, grey ones using the computer (web surfing or files handle)
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