AE CC ram previews very slow - no GPU support? Newbie trying to become not newbie, falling at first hurdle...

Hello. I'm currently trialling After Effects CC though Adobe Cloud. But I've hit a snag immediately.
I have an HD video edit in Premiere Pro which I want to dynamically import into AE to work on some bits.... I have imported the project file into AE, it seems to open just fine but the playback is intensely slow!
I have an uncertified GPU - a Nvidia Geforce gtx 460 - too old? I was expecting it to help out a bit, I'm not doing anything too badass, just colour correcting a bit of HD footage.
My processor is an i5 3.4ghz 4 core.
Perhaps I'm missing something fundamental here!? Please tell me what I'm completely failing to grasp
Thank you for your time,
Tony

Yup -- you're misssing a very basic item: AE doesn't work like Premiere Pro. It's not anything like PP, and it doesn't behave like it.
One way is the method you need to play video. Space bars just don't work. You need to do a RAM Preview -- hit the zero key on the numeric keypad, let AE render the frames it can, and then it plays them back as fast as it can.

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I have the new mac pro with 8 cores, 64 Gb of Ram and dual AMD 700 graphic card, but the preview on After effects is slower than in the old mac pro (from 2010). I have set the preferences as told in your website and everything stills the same. Could you please advice? is very frustrating to see that a new machine works worse than the older one.
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Attached below you can see some screenshots from the settings I have on AE CC

Multiprocessing works for RAM preview, extremely slow and aeselflink crashes when in Render Queue

Hello all,
System specs:
Hackintosh
OSX 10.9
3.5Ghz (overclocked to 4.2Ghz) Core i7
Geforce GTX 580 classified 3GB Cuda GPU
AMD Radeon HD 6870 1GB Display GPU
32 GB of RAM
System SSD
5 drive internal RAID
After Effects CC 12.2.1.5
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I'm having a problem with the render queue and multiprocessing. I have a moderate sequence with several effects and 3D layers. When I'm working in the composition, everything goes great. I can RAM preview and all my CPU cores will kick up to 100% and render the composition in no time all; with full resolution with no skipped frames. It works fantastically.
Then when I go to render the exact same composition with the same multiprocessing settings, AE will hang at the "initializing background processes" for at least 5-10 minutes, during which the CPU will ramp up to 100% but no frames will be rendered. AE still remains responsive, as I can hit the stop or pause buttons and the queue will be cancled. But then the aeselflink processes (up to 8 of them depending on my settings, I've tried several) will still continue at 100% cpu load even with AE not set to render anything. I will have to go into the activity monitor and force quit each process. If I leave it for 5-10 minutes, it will finally stop initalizing and start the render, but the CPU will still run at 100% but the frames will crawl slowly forward at about 1 frame per minute, with an estimated 28 hours to render frames that were rendering in under a minute during RAM preview.
I have tried both reducing the number of cores AE will use, adjusting the allocated RAM, and disabling multiprocessing alltogether. When I disable multiprocessing, the render slows to a complete crawl, and it will render around 1 frame every 5-10 seconds. Again, this is on a composition that rendered in less than a minute on full resolution with RAM preview.
The only way to get this composition to render is to export it to Media Encoder, which will render it (without multicore processing, unfortunately) in about 8 minutes, still not the blazing fast RAM preview but at least it finishes it in under 3.5 hours (the amount of time that the multiprocessing disabled render in AE will take).
Here's the multiprocessing settings that have been very stable and carried me through other projects. Disk Cache is not enabled. The only other thing that is disabled is the "Disable Layer Cache" under the Secret menu as the plugins I'm using (Plexus 2 in this case) doesn't like to update when the camera moves so this option has been disabled to force it to reset each frame.
Does anyone know what is going on?
Also, please don't tell me that I should not use multiprocessing or instruct me on basic steps as to increase preformance on my machine. I have been tweaking my memory and multiprocessing settings for a long time now, and it is completely stable in everything but this setup. So please no answers saying "just don't use multiprocessing". It was made for a reason, it's effective, and it's needed. And please don't say that it's the hackintosh, either, as it's the most stable and powerful computer I've ever used. Sorry for the disclaimers, I just want to have constructive help.
Thank you in advance for your ideas!

Hi Rick, not sure if you saw the part where I said please don't reply with turning off Multiprocessing, and I did not say that it works and is effective in all areas. However, if you actally take the time to read my post, you will definately notice that RAM preview with multiprocessing takes under a minute to render a scene. Multiprocessing disabled and rendered in AE takes 3.5 hours. In Media Encoder it takes around 8 minutes. Clearly it IS working and IS effective for my case and my rig. Any vendettas against MP does not help my situation at all.

CS5 RAM preview is slow if I do other things while it's building

Good morning!
I'm experiencing a strange issue. 1080/29.97 comp on an 8-core w/ 16GB. Multi-proc rendering is off.
If I RAM preview the comp (800 frames or so) and wait while AE builds the RAM preview, it plays back fine & at speed.
If I start the RAM preview, then go work in Photoshop while it's building, then return to AE and attempt to play it down, I have the green bar like a normal RAM preview, but it plays very slowly -- almost as if it's re-rendering every frame (actually slower than if I just hit spacebar to render&play on the fly).. maybe 1fps. If I stop and play those frames that it's slogged through, they then play normally.
Is it possible that RAM previewing while I'm using another app (e.g., Photoshop) is resulting in the frames being written to swap disk or elsewhere so that they're being re-read into RAM when I actually try to play it? Disk caching is disabled in the AE Prefs, but...?
Thanks in advance for any ideas -- very annoying.

> Is it possible that RAM previewing while I'm using another app (e.g.,
Photoshop) is resulting in the frames being written to swap disk or
elsewhere so that they're being re-read into RAM when I actually try to
play it?
Yes. That is possible.
Be sure that you're reserving enough RAM for other applications.

Powerful System With Bottleneck: PPro CS6 Preview Very Slow.

Hello there!
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Initially, I suspected my video card since it was a GTX550Ti and wasn't fully-supported, but only has 192 CUDA cores. I went and got a GTX 680 with 1536 CUDA cores but noticed no real improvement. I am also not getting any kind of yellow pre-render indicator in Premiere. It's just all red and doesn't preview well at all.
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SSD Boot drive (OS)
Main Drive: Seagate Barracuda ST31000524AS 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive (Premiere installed here)
I have read other messages that indicate that PPro does not LIKE to be installed to anything other than the boot drive... and it sometimes (often?) does not work properly if installed to anything other than the boot drive
Since you have PPro installed to the same drive that you are using for video files, you are overloading your data transfer capability... in effect, you are using only one drive (see below)
Trying to use only ONE Hard Drive for Video Editing
You are a music conductor, with a baton that you use to point to various parts of the
orchestra... this is like Windows pointing to various parts of the hard drive to do
Windows housekeeping or to load program segments for various functions
Now, at the same time and with the same hand... while still using the baton to conduct
the orchestra... pick up a bow and play a fiddle... this would be doing something with
your video file at the same time as all the other work
You as a person cannot do both at the same time with the same hand
A computer is a LITTLE better, in that it can switch from one kind of task to another
very quickly... but not quickly enough for EASY video editing
You need AT LEAST two hard drives (separate drives, never a partition
http://forums.adobe.com/thread/650708 for more) with Windows (or Mac OS) and software
on your boot drive, and video files on a 2nd drive so the boot drive is not slowed down
by trying to do everything
Partition = Crash http://forums.adobe.com/thread/957286
My 3 hard drives for video editing are configured as...
1 - 320Gig Boot for Win7 64bit Pro and ALL program installs (2)
2 - 320Gig data for Win7 paging swap file and video project files
When I create a project on #2 drive, the various work files follow,
so my boot drive is not used for the media cache folders and files
3 - 1Terabyte data for all video files... input & output files (1)
(1) for faster input/output if you have 4 drives
- use drive 3 for all source files
- use drive 4 for all output files
(2) only 70Gig used, for Win7 & CS5 MC & MS Office & other smaller programs
Search Microsoft to find out how to redirect your Windows paging swap file
http://search.microsoft.com/search.aspx?mkt=en-US&setlang=en-US

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Open folder, select 'all' right click, open with 'preview'. Very slow & jerky.
Used to work fine with .nef in Mt. Lion.
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Same issue here, and 10.10.2 brings no solution… Haven't you heard yet, Apple is the new Microsoft?!
Anyway, here a few tips to speed up Preview at least a bit, so one can use it for work again:
tip1:
Delete /Library/Preferences/com.apple.windowserver.plist
Delete ~/Library/Preferences/ByHost/com.apple.windowserver*.plist
Shutdown OSX
Startup, immediately press and hold the P and R keys while holding down the option (⌥) and command (⌘) keys before the gray boot screen appears, which resets the PRAM
tip2:
Turn off "Smooth Text and Line Art" in the Preferences. Of course, that's really sad, because PDFs then look terrible, but at least they are easier to work with.
tip3:
For just viewing, use QuickLook: in the Finder, select the PDF and hit [SPACE]. Strangely, QuickLook isn't affected by the bug.
Anyway, those workarounds helped me a bit (thanks to those who posted them), but of course it's no proper solution. The last option would be to go back to Mavericks.
I heard the problem was reported to Apple when Yosemite was in beta, summer 2014. Nothing happened so far. Apple really has to get its act together…

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HI all
One thing I've noticed in leopard is the new preview is very slow to re-draw when I have multiple image files loaded in. As a hit the next arrow it forms the next pic in big slow blocks unlike the previous preview that switched smoothly no matter how large the images were.
Has anyone else experienced this

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Also, just now I've realsied, when I open up "System Information" it's saying there's only 2GB http://imgur.com/EKuszZP, even though the computer came with 4GB http://imgur.com/tSdlRz7 - is there another explantion for this besides them having removed some RAM?
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If I could add to what Kappy said:
There would normally be two 2GB RAM modules in your machine if it came with 4GB. Either one isn't seated correctly or they possibly swapped the RAM to see if that was your problem and didn't put yours back. Between that and swapping your hard drive and not putting yours back, you obviously shouldn't use those guys to work on a Mac again. If it were me, I'd be demanding my original RAM and drive from them.
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As for the whirring noise, the first question is do you have a CD or DVD in the internal optical drive? That would make a sound like that. The only other moving parts are in the hard drive or the fans.
The Apple Store would be your best bet as an eval is free, but it sounds like you went to a reseller rather than directly to an Apple store. That's why I thought I'd supplement Kappy.

Why do RAM previews get slower towards end of comp?

I was just wondering, why do RAM previews and even updates in the comp. monitor when playing with effects get slower as you get deeper into the comp.? When i first begin a comp everything is extremely fast but when 2 to 3 minutes of the comp is completed everything slows down and each frame takes like 4 or 5 seconds to load. Do you think it's a matter of RAM?

No. Whatever issues you have are specific to your setup like calculations on effects accumulating or multiplying. This can easily happen with particle effects or temporal effects like Timewarp - the later the time in the comp, the more particles or frames have to be processed. You have not provided any relevant info, anyway, so there is not much point to making generic claims based on such vague and incomplete info. We know nothing about your system or even what version of AE you use, so aprdon me, this is pointless.
Mylenium

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Even in the simplest comp (DV NTSC 29.97fps) my RAM previews playback at about 20fps.
On this same system in AE CS3 I could do HD Comps that were fairly complicated and get HD 24fps previews in realtime.
Any ideas on where to start looking for the problem? I've searched the forum for a similar issue, but the posts I have found don't relate to my issue.

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Graphics Card: NVIDIA GeForce GT 610
RAM: 8GB
Processor: AMD FX - 4300 Quad-Core Processor
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Start reading Tweakers Page and don't stop till you have read all the articles there.

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MacBook Pro 15'
early 2011
OS X 10.9 (13A603) Maverics
2 GHz Intel Core i7
8 GB 1600 MHz DDR3
Intel HD Graphics 3000 512 MB
+my battery is dead and Im using cable all the time
When I turn ON my Macbook everything is OK, but after ~1h of doing whatever (surfin on net, listetning iTunes or watching movies) it's suddenly getting super slow. After that even scrolling down the websites is lagging and watching movies from HDD is impossible (glitchy and low fps). Macbook is not getting hot at all. Normal restarting doesn't work - it's slow as it was before (I need to wait long time to turn in ON again). Yesterday I decided to restart the SMC (Control+Option+Shift+Power Button) and after restarting Macbook it was OK again for another 1h.
I've already tried:
- cleaning with Clean my Mac 2
- scan with ClamXav
- restarting SMC

I'm updating OS X right now (downloading).
Etrecheck informations:
Hardware Information:
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          MacBook Pro - model: MacBookPro8,2
          1 2 GHz Intel Core i7 CPU: 4 cores
          8 GB RAM
Video Information:
          Intel HD Graphics 3000 - VRAM: 512 MB
          AMD Radeon HD 6490M - VRAM: 256 MB
System Software:
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Disk Information:
          Hitachi HTS545050B9A302 disk0 : (500,11 GB)
                    EFI (disk0s1) <not mounted>: 209,7 MB
                    System (disk0s2) / [Startup]: 145,4 GB (71,97 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
                    Heaven (disk0s4) /Volumes/Heaven: 301,98 GB (41,36 GB free)
                    **** (disk0s5) /Volumes/****: 51,73 GB (978,4 MB free)
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          Apple Inc. BRCM2070 Hub
                    Apple Inc. Bluetooth USB Host Controller
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          Apple Computer, Inc. IR Receiver
Thunderbolt Information:
          Apple Inc. thunderbolt_bus
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Gatekeeper:
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Kernel Extensions:
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          [not loaded] com.silabs.driver.CP210xVCPDriver64 (3.0.0d1) Support
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          [loaded] com.macpaw.CleanMyMac2.Agent.plist Support
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          [running] com.wacom.wacomtablet.plist Support
User Launch Agents:
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          QuickTime Plugin: Version: 7.7.3
          AdobePDFViewerNPAPI: Version: 11.0.06 - SDK 10.6 Support
          AdobePDFViewer: Version: 11.0.06 - SDK 10.6 Support
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          WacomNetscape: Version: 2.1.0-1 - SDK 10.8 Support
          Silverlight: Version: 5.1.20913.0 - SDK 10.6 Support
          WacomTabletPlugin: Version: WacomTabletPlugin 2.1.0.2 Support
          JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
Safari Extensions:
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Audio Plug-ins:
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          AirPlay: Version: 1.9 - SDK 10.9
          AppleAVBAudio: Version: 2.0.0 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
          Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
3rd Party Preference Panes:
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          Growl Support
          Perian Support
          WacomTablet Support
          Tuxera NTFS Support
Time Machine:
          Time Machine not configured!
Top Processes by CPU:
               4%          WindowServer
               2%          storeagent
               0%          ps
               0%          syslogd
               0%          mds_stores
Top Processes by Memory:
          229 MB          Safari
          90 MB          mds_stores
          54 MB          com.apple.WebKit.WebContent
          49 MB          Finder
          49 MB          WindowServer
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          1.17 GB          Active RAM
          114 MB          Inactive RAM
          1.22 GB          Wired RAM
          192 MB          Page-ins
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AE CC ram previews very slow - no GPU support? Newbie trying to become not newbie, falling at first hurdle...

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