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Performance issues AECC / DA Flicker Free

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Ben O'LearyPerformance issues AECC / DA Flicker Free
by on Mar 23, 2015 at 8:39:48 pm

Hi, I can see that there have been a lot of performance related questions recently, sorry to add a new one!

I am trying to understand why AE does not utilise the resources of my system effectively. I'd like to identify the bottle neck.

My current project is a single 1080p video clip, one adjustment layer applying Flicker Free to the whole clip, and another adjustment layer applying Flicker Free to a masked area of the clip.

When I ram preview the clip, it renders at about 1/8 real time. All of my processors run at 50%, RAM utilisation goes to 50% - then it just carries on, at the same speed and processor utilisation. Disk is sat at 0%.

The machine is a 32GB I7 with 6 (12HT) cores, at 4.2ghz. I don't understand why the RAM preview doesn't utilise more CPU, can any one suggest a fix, or is this normal behaviour?

Many thanks,


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