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RAM Usage During Render

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Chip Hess
RAM Usage During Render
on Jun 3, 2016 at 2:15:04 pm

Last night I did what I thought was a pretty simple render which uses 3D extruded text.
The clip is only about 10 seconds, 720 23.98 fps.

It took almost 5 hours.
iMac 27", 32GB RAM. OSX 10.9.5, AE CC 2015.

According to the text at the bottom of the render window,
it was using only 8% of available RAM.
I have allocated 22GB to AE.

I must be missing something in the settings,
can anyone point it out?

Thanks!


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Walter Soyka
Re: RAM Usage During Render
on Jun 3, 2016 at 2:43:37 pm

Were you using the ray-tracing renderer? Ray-tracing is slow in general, and Ae's ray-tracer is slow by ray-tracing standards (unless you have an NVIDIA GPU, in which case you can use CUDA to accelerate it a bit).

This kind of stuff is lightning-fast in Element 3D or Shapeshifter.

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


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Chip Hess
Re: RAM Usage During Render
on Jun 3, 2016 at 2:51:58 pm

Here is my card -
NVIDIA GeForce GTX 780M 4096 MB
and yes, Ray traced. But when I try to enable the GPU,
a warning says this card is untested/supported.
I have option to override that warning,
not sure which way to go on that!


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Walter Soyka
Re: RAM Usage During Render
on Jun 3, 2016 at 3:10:10 pm

[Chip Hess] "But when I try to enable the GPU, a warning says this card is untested/supported. I have option to override that warning,
not sure which way to go on that! "


Override and use the GPU if you want to render fast. Stick with CPU rendering if you want to render slow.

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


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Dave LaRonde
Re: AM Usage During Render
on Jun 3, 2016 at 3:14:41 pm

Until otherwise notified, AE will be incapable of multiprocessing. It uses just one processor for now.

But I bet that isn't the source of your render time woes. I bet you'rd doing ray traced 3D, and it is agonizingly slow. It'z been supplanted by C4D Lite, which comes bundled with AE. You should start using it.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Chip Hess
Re: AM Usage During Render
on Jun 3, 2016 at 3:19:32 pm

Can one use 4D to just create the 3D text, and then animate in AE?
Or is it necessary to do the moves in Cinema 4D?


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Walter Soyka
Re: AM Usage During Render
on Jun 3, 2016 at 3:24:45 pm

[Dave LaRonde] "Until otherwise notified, AE will be incapable of multiprocessing. It uses just one processor for now."

The ray-tracing renderer never used the old multiprocessing architecture, but is highly multi-threaded itself and can peg all your cores.

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


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hanna dean
Re: AM Usage During Render
on Jun 3, 2016 at 4:09:10 pm

i have currently gtx 750 ti in machine 2gb will this help render little fast ? also how do i speed up preview in timeline as i scroll through wiht mouse ? when i start to add heavy particles or blues gets slow.


i have a gtx 980 not installed yet waiting for psu , wil this help boost render


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Dave LaRonde
Re: AM Usage During Render
on Jun 3, 2016 at 6:33:28 pm

Who knows? Not us! You need to tell us which AE version you are using... the EXACT version. "AE CC 2015" is nowhere near an exact version. The version number down to the last decimal point, please.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Chip Hess
Re: AM Usage During Render
on Jun 3, 2016 at 6:41:21 pm

Dave,

If that was directed at me, it is

AE CC 13.7.2


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Dave LaRonde
Re: AM Usage During Render
on Jun 3, 2016 at 7:59:45 pm

Actually, it was directed at the lady. It sounds as if you're on the way to a good solution.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Walter Soyka
Re: AM Usage During Render
on Jun 3, 2016 at 8:16:53 pm

[hanna dean] "i have currently gtx 750 ti in machine 2gb will this help render little fast ? i have a gtx 980 not installed yet waiting for psu , wil this help boost render"

Very little of After Effects is GPU-accelerated. Please note that this entire conversation has been about the ray-tracing renderer: this is the main feature in Ae that is capable of GPU acceleration.

See here for more on how Ae currently uses the GPU:
https://helpx.adobe.com/after-effects/using/rendering-opengl.html


[hanna dean] "also how do i speed up preview in timeline as i scroll through wiht mouse ? when i start to add heavy particles or blues gets slow."

See here for suggestions on improving performance with After Effects:
https://helpx.adobe.com/after-effects/using/improve-performance.html

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


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