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After Effects CS5.5 Performance Issue

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Randy Rubin
After Effects CS5.5 Performance Issue
on Oct 10, 2012 at 5:51:56 pm


I am currently using a 27" imac at work. The specs are as follows:

3.4GHz i7 (4 core)

16 GB ram

1TB 7200 rpm drive

4TB graid attached via firewire

This computer was originally purchased as mainly an editing machine for internet videos. As time passed we have been doing more and more animations in After Effects using 5D video and graphics from illustrator.

In the projects utilizing large illustrator files and pre-comps, my After Effects runs to a halt. It is incredibly frustrating. When I scroll through the timeline I have to wait 15-30 seconds for the image to update. To watch the animations I find it easier to render out a video as opposed to attempt a RAM preview.

My question is, if I upgrade to 32GB of ram, will it improve the in app performance? As it is a work computer, my company doesn't want to spend a lot of time and money on upgrades. I'm trying to figure out where the bottleneck is, and I'm aware an iMac is not ideal - but it's what I'm stuck with.

My after effects settings are as follows:

RAM reserved for other apps : 3GB

Installed CPUS 8

CPUs for other apps 1

RAM per background CPU 2GB

Actual CPUS that will be used 5

Disk Cache Size: 20 GB

(cache is located on my desktop drive. Should it be on the external?)


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Kevin Monahan
Re: After Effects CS5.5 Performance Issue
on Oct 10, 2012 at 6:47:20 pm

This free video tutorial series should help you speed up your workflow:

Kevin Monahan
Sr. Content and Community Lead
Adobe After Effects
Adobe Premiere Pro
Adobe Systems, Inc.
Follow Me on Twitter!

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Randy Rubin
Re: After Effects CS5.5 Performance Issue
on Oct 11, 2012 at 2:50:47 pm

Thanks, I'll check that out.

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Brent Dunn
Re: After Effects CS5.5 Performance Issue
on Oct 12, 2012 at 5:20:34 pm

What Mac OS are you running?

Brent Dunn
Owner / Director / Editor
DunnRight Films
Video Marketing

Sony EX-1,
Canon 5D Mark II
Canon 7D
Mac Pro Tower, Quad Core,
with Final Cut Studio

HP i7 Quad laptop
Adobe CS-5 Production Suite

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