Participant

Question

AE only using 25 percent of my CPU

Forum|Forum|16 years ago
June 8, 2009
5 replies
63419 views

I would like to get faster renders. I have noticed that after effects is only using 25 percent of my cpu. Is there any way to crank that all the way up to 100 percent like Premier does automatically?

J

joshua5EF1

Participant

Has anyone found a fix to this or are you just going to keep glorifying adobes garbage product that they dont help you with whatsoever no reason it should take 10 hours to render something that is 10 seconds long several other software have a high render with 100x more things in the scenes you get this effect WITHOUT even using 3D stuff... What kind of ripoff is this where yall cant fix your product and charge this much for a product that wont even finish the rendering process without failing on small projects. FIX IT

F

faithfultennyson

Participating Frequently

this is realy frustrating am usung after effects v22.0.1.2 and my processeor doesnt go more that 50% and 20 most of the time my ram is 77% pls what can i do to fix this its not fair am tired an i have just 12 hours to finish this project
PC spec

Intel Core i7-4770 3.4ghz up to 3.9ghz boost
24GB ram
windows 10 professional
SSD for Drive C

comp size

5120x3000 25fps 32bpc

am using the GLOW effects together with hue saturation and tint

and screen, overlay blending in different layers

ColetonGGG

Participant

Did you ever figure out what was the issue ? Cause I have a RTX 3080 , 32 GB of RAM and a I9 9900k and im still struggling in after effects.

3

345712473471

Participant

THe only way ive managed to make use my quadcore with AE is to use gridiron's nucleo pro 2.

FYI render multiple frames doesnt do squat, adobe doesnt have any clue what its doing when it comes to performance, all they can do is add bells and whistles and try to keep it all in one piece.

Mylenium

Legend

Oceanking wrote:
Is there any way to crank that all the way up to 100 percent like Premier does automatically?

Nope. In addition to what was said before, you have to consider that many effects simply aren't that computationally intense. Even applying particle systems with several thousand particles is a walk in the park on modern computers. Furthermore, there is a difference whether an effect requires a lot of temporal information and thus needs to calculate several frames at once or if it's a "dumb" effect that just modifies color values or gnerates elements. It's really more a matter of how they are combined. Also note, that several functions and effects only use conventional multithreading, meaning that by themselves they will use 2 cores at most.

Mylenium

S

spoof

Participant

HI

I have just upgraded to an i7 intel from a q6600 quad core pc.

Im seeing only 16% cpu usage and my renders are taking the same amount of time on the new pc as the old.

So am I right in thinking that there was no point in upgrading my pc if AE cant use any more of the processor?

I find this hard to believe, especially considering my RAM and hard drives are faster. My ram is now DDR3 compared to DDR1 and my hard drives are being accessed at less than 1mb/sec. So I dont see any bottlenecks there!

Todd_Kopriva

Inspiring

You've told us very little about your setup, such as how much RAM you have, whether you're using Render Multiple Frames Simultaneously multiprocessing, what operating system you're using, etc.

Please read this page ("Memory & Multiprocessing preferences") and this page ("Performance tip: Don't starve your software of RAM") to learn about how memory settings can affect performance.

You also might want to read this page, including the comments:

"Improve performance"

Todd_Kopriva

Inspiring

There are a lot of ways to get faster rendering. See the "Improve performance" section of After Effects Help.

Note that you won't always see your CPU being maxed out. Maybe the bottleneck in processing is your hard disk, your RAM, et cetera. The rendering of some compositions is memory-intensive, such as when you are working with very large background plates that are several thousands of pixels tall and wide. The rendering of some compositions is bandwidth-intensive (I/O-intensive), such as when you are working with many source files, especially if they are not served by a fast, local, dedicated disk drive. The rendering of some compositions is processor-intensive .

B

Benjamin Hoch

Participant

What I dont understand is why After Effect only uses 8% of my RAM. I have set a video to render and it used to say it was using like 65% of my RAM and when I went from CS3 to CS5 is suddenly is only using 8%. In the preferences I have set it to use the max 6.5GB. It seems rediculous that a 10 sec clip that took me an hour to render in CS3 takes 4 hours in CS5. Any help?

CARLOSA345

Participant

CARLOSA345 wrote:

Resolutions are getting larger and AE rendering is outdated.

First of all, you're replying to a thread that's over three years old. A lot has changed in AE between then and now.

That being said, the AE team is aware of the issues you're experiencing. As the Adobe team has been saying for a while, the majority of the team is working on redoing the way AE does things to improve performance across the board.

Now, as to your current issues, I'd suggest starting a new thread and letting folks on here help you troubleshoot. I am not experiencing any of the woes you describe, so something is different in your system vs. mine. And, if the issues you describe were widespread, I'm pretty sure you'd be hearing more about it rather than having to wake a three-year-old thread. That seems to indicate to me that your problem is solvable.

As Todd mentioned in this thread, different comps will have different requirements as far as RAM, I/O, CPU, etc. and they can all be very different. AE works very differently from C4D because it's doing an entirely different job, so some differences should be expected.

However, I understand your frustrations. It can be annoying to try to fine-tune things on the technical end of things when you just want to be creative. I can only say that you should look forward to the future as the AE team continues their work and we will soon have a whole new experience of working in After Effects.

First of all do you work for Adobe? I dont think so much trouble shooting

should be required for a software that has been in production for as many

years as AE. All 3d applications which are doing more intense calculations

than AE dont require fine tuning to work properly. Second of all i work in

the industry as a 3d artist and motion graphics animator. Every single

person ive ever encountered through my career has had the same issues and

ive heard about multiprocessing being buggy and crashing your software

since it was implemented. Also you tell me that the team is working on the

problem so what good would it do to start a thread on it you can find

threads on this subject by the bunches and its never really resolved. Im

only writing on here in hope that somebody at adobe realizes that this is

an issue that needs fixing before anything else. AE is not using your

computers full power and maxing out the ram even without multiprocessing it

uses 4 to 25 percent of your cpu and maxes out ram. This my friend is a

well known problem in the industry i dont know what you do but i use AE for

a living and have encountered this issue over many years.

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