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Ram allocation

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Marc Lucas
Ram allocation
on Mar 7, 2011 at 11:06:47 pm

I have an 8 core MacPro with 8gig of ram installed. I have 6.5 allocated to AE and I'm still getting some hangs and spinning beachball even with some relatively easy rendering and playback. I thought that I had to leave a little power(1.5gig) for the computers system to run would it harm the system if I increase the ram allocated to AE?

Thanks


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Dave LaRonde
Re: Ram NON-allocation
on Mar 7, 2011 at 11:43:01 pm

[Marc Lucas] "I have an 8 core MacPro with 8gig of ram installed"

I also have a dual quad-core Mac Pro with 8 GB RAM. I wouldn't dream of using multiprocessing. At home, I have dual quad-core machine, but with 24 GB. Multiprocessing works fine there.

Turn off multiprocessing and leave it off until you get yourself more memory.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Kevin Camp
Re: Ram allocation
on Mar 9, 2011 at 4:17:21 pm

it's probably not quite as bad as dave makes it sound, but you'll probably be doing more setting tweaks between comps than you would if you had more ram...

for a base setting, i think you could enable multiprocessing, leave about 2gb and 4 cpus for 'other apps' and try 1gb min allocation for each cpu.

when you work with ae, try not to have other apps open, especially other ram hogs like photoshop.

also, try running the activity monitor as you render or preview to see how efficiently the cpus are running. if you have consistently low cpu levels, then you'll want to tweak some mp & memory settings. sometimes giving ae a few more cpus will make it faster, other times taking a few cpus away (which give more ram to the available cpus) can improve performance... it really just depends on what's going on in the comp.

Kevin Camp
Senior Designer
KCPQ, KMYQ & KRCW


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Marc Lucas
Re: Ram allocation
on Mar 9, 2011 at 4:28:27 pm

Thanks guys.

I'll have a play with some different settings and report back.

Thanks


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