GPU Acceleration Done Right

"Today's release of a beta version of the brand new 2.0 Stream SDK [offers] compliant OpenCL 1.0 support for everything from the HD 4350 up, including multi-GPU SKUs. The kit supports Windows and Linux, both 32- and 64-bit, and multiple compilers (including ICC) too"
"NVIDIA have released certified OpenCL drivers for Windows and Linux, after passing conformance tests at Khronos in June. The Windows version is available for XP, Vista and 7, both 32- and 64-bit in all cases...and any CUDA-capable GPU is an OpenCL compatible one"
OK, Adobe. ATI and nVidia have done their part. The ball to make this work is in your court. Make it a winner! OpenCL acceleration for ALL transitions and effects.

You may want to hold on to your wallet just now. Read posts 14, 16 and 29 in this thread:
http://forums.adobe.com/message/2370434#2370434
-Jeff

Similar Messages

GPU Acceleration In Premiere Pro CC

Do you have it when exporting via Adobe Media Encoder?
I don't seem to. I ran some tests several weeks back which clearly showed that GPU acceleration was not working when exporting through AME, but worked fine when doing a direct Export. I ran the following test again today.
10 minutes of 1080p/24 AVCHD
ProcAmp, Gaussian Blur, Three-way Color Corrector (All accelerated, 32 bit, YUV effects.)
Export to H.264 Blu-ray, default settings. (No MRQ, no previews.)
Here's what I got.
AME GPU Off - 14:03
AME GPU On - 14:10
Direct - 6:12
As before, it's pretty clear that hardware acceleration is not working through AME. In fact, it routinely takes just a tiny bit longer with GPU acceleration on.
The first time around I ran a duplicate test with CS6, and it very clearly showed that GPU acceleration was working via AME.
So...what are your results?

Jim Simon wrote:
I suspect operator/observer error on the first go round. Mind trying again through AME?
Uh, I can, but I'm not sure what you're hoping for. The times I reported were right from the text file log that AME keeps, and they were all done last night, just at different times.
07/31/2013 04:47:46 PM : Queue Resumed
- Source File: /Volumes/Opt/Users/jvp/Library/Caches/TemporaryItems/fatt-10122012-cc.prproj
- Output File: /Volumes/Opt/Users/jvp/Desktop/front.mp4
- Preset Used: Custom
- Video: 1280x720 (1.0), 29.97 fps, Progressive
- Audio: AAC, 320 kbps, 48 kHz, Stereo
- Bitrate: VBR, 1 pass, Target 5.00 Mbps, Max 5.00 Mbps
- Encoding Time: 00:13:19
07/31/2013 05:01:06 PM : File Successfully Encoded
07/31/2013 05:01:06 PM : Queue Stopped
07/31/2013 05:39:32 PM : Queue Resumed
- Source File: /Volumes/Opt/Users/jvp/Library/Caches/TemporaryItems/fatt-10122012-cc_1.prproj
- Output File: /Volumes/Opt/Users/jvp/Desktop/front_1.mp4
- Preset Used: Custom
- Video: 1280x720 (1.0), 29.97 fps, Progressive
- Audio: AAC, 320 kbps, 48 kHz, Stereo
- Bitrate: VBR, 1 pass, Target 5.00 Mbps, Max 5.00 Mbps
- Encoding Time: 00:09:17
07/31/2013 05:48:50 PM : File Successfully Encoded
07/31/2013 05:48:50 PM : Queue Stopped

GTX 750 Ti sufficient for GPU Acceleration in CC 2014?

Hi all,
Upgrading from a HD 5870 hopefully - just wanted to know if the GTX 750 Ti with its CUDA technologies would be sufficient for GPU accelerated applications like Pr, Ae, Sg, Ps, Lr and so on? Asking in the Pr forums because that's the application I use the most.
System specs:
ASUS P8Z68-V PRO/GEN3
Core i5 2500K @ 4.3GHz
Arctic Cooling Freezer 13
16GB RipJaws-X 1648MHz
ATI Sapphire Radeon HD 5870
OCZ Vertex 4 128GB | WD Green 2TB | WD Green 3TB
LG BH16NS40 Blu-Ray Burner
OCZ ZS 650W
NZXT Lexa S
Windows 8.1 Pro x64
Not too bothered about gaming performance. I don't want to spend a lot of money and the 750 Ti at around £100 seems a good balance between value for money and performance.
The 5870 did work fine with OpenCL and Adobe CC 2014 but for various reasons I'd like to upgrade and go back to NVIDIA.
Thanks all

I have just completed running the entire PPBM8 script with the GTX 750 Ti, and compared it to the results that I had obtained over two weeks ago with the older GTX 560 card.
GTX 750 Ti on CC 2014.8.2 (1TB Samsung F3 as project disk):
GTX 560 on CC 2014.8.1 (1TB Western Digital Black WD1002FAEX as project drive):
It appears that the first-generation Maxwell (GM107) GPU somehow improved the H.264 rendering/encoding performance compared to the older Fermi (GF114) GPU. The MPEG-2 rendering/encoding performance is practically equal with both of these particular GPUs.
Verdict? The GTX 750 Ti is the right choice for a PC that's equipped (however less than ideally) with a higher-end i5 without hyperthreading or a quad-core i7 that cannot be overclocked much if at all (and this is assuming that that PC has a sufficiently fast disk subsystem).
By the way, the GT 740 that was suggested for the OP's system (given the "Green" drives) is not a Maxwell-generation GPU at all - but a Kepler-generation GPU (in this case, based on the GK107) instead. The GT 730 with GDDR5 memory that I recommended as an alternative to the GT 740 DDR3 is based on the GK208 GPU. (And I do not recommend most GT 730s on the market as they are based on an old Fermi-generation GPU - the GF108 that debuted with the GT 430 back in 2010.)

Is there a reference test code for Android to see if GPU acceleration is working on a device or not?

The subject says it all:
Is there a reference test code (available for downloading) for Android to see if GPU acceleration is working on a device or not once the AIR RC1 with GPU is installed ?
Perhaps something 'like' away3d info panel which shows if GPU is active or not...
I will try to build one in the meantime. Just didnt want to reinvent the wheel here.
TIA for any pointers. //GH

I agree with the above posts, it would be great to have a place with a list of already known problems, and a way for those of us with the time and interest to participate in making the FiOS experience better. Several thoughts:
1) Send a PM to a moderator here asking to participate in a test, or asking for improvements to the Forum. I have done that, some of the improvements I suggested have occurred (thanks Kathleen and CharlotteS), hoping more will; it can't hurt. And I understand my request to be a beta tester has been forward to development. At least one poster put that kind of request in a forum post and I think his was also forwarded.
2) Go to the following Verizon Products Trial site and sign up to test new things: https://www36.verizon.com/MM/Protected/TestTrack/SignIn.aspx. No guarantees, not much on the site right now, but if you sign up you might get to participate in the future.
3) Consider using the Verizon Direct forum at http://www.dslreports.com to report problems rather than the FSC (or after a frustrating experience with the FSC). You have to be a registered user to post in that forum, but I have had a good experience using it. Verizon employees monitor the forum and respond, and only they and you can see the details of your and their posts (one of the things I have suggested to the moderators here is something like Verizon Direct here).
I am retired, I have time to put into an effort to improve FiOS TV. Plus I have quite a bit of experience in testing new computer hardware and software before announcment and/or delivery to customers (IBM), so I think I could help (and I really don't think I could hurt it...). Plus in two more days I will have had FiOS TV for three full years, I have gone through all of the good (and a little bad.....) along the way.
FWIW...
Justin
Verizon FiOS TV, Internet, and phone
IMG 1.5.0
Keller, TX

Resolution loss in multicam when GPU acceleration enabled

Hello all,
Strange multicam problem here. I know others besides me have struggled with multicam playback resolution, but at least on the surface, this particular problem seems counter-intuitive.
When I enable GPU acceleration (I have a GTX 650 Ti BOOST), playback resolution is decreased in the multi-cam monitor. With CS5.5, this was extremely noticeable; now in CC, it's less apparent, but still detectable. The footage will blur slightly when playback begins, and then sharpen again when paused. If I disable GPU acceleration, playback resolution in the multicam-monitor is the same as the paused resolution.
Is this a bug, or something that should be expected? I can live with this, but it'd be nice not to have to disable GPU acceleration for multi-cam, and then re-enable it for other tasks.
Thanks in advance.

Update: At least in some cases, I can see that the paused image is sharper with GPU acceleration enabled than the paused image without it. So the playback resolutions may well be the same with or without GPU, and all I'm seeing is a greater difference between playback and paused during GPU acceleration. Also, there may in fact be a drop during playback resolution in software only mode, albeit less noticeable.
(As mentioned though, this was certainly an issue I experienced in 5.5; don't know if anyone else has experienced something similar.)
My new question would be, is it possible with the right hardware to guarantee full resolution playback in multi-cam? I'm currently editing 4 cameras: 2 5DMIIIs, a GH2, and a Sony NX5U. Editing system is comprised of an i7 4770K overclocked to 4.2GHz, 16GB RAM, GTX 650 Ti Boost, and three HDDs: an SSD for OS and Programs, a 7200 for media and projects, and another 7200 for pagefile, previews, and media cache. Would creating a RAID 0 for the media files help at all in this case? Or is the drop in resolution I experience something I likely won't be able to change?

Gpu acceleration on win8.1pro with gtx770 not working

Hello All,
I have a pc installed with windows 8.1 pro, a GeForce gtx 770 with 4096 MB GDDR5, with the latest driver installed : 344.48
I am now on premiere 8.1.0(81) Build. but i have been using premiere in this machine since the first CC and the problem was the same.
I canot have gpu acceleration in premiere, the only option for video rendering is software only (it is greyed out and i can't change the option).
Now, from this adobe link :
http://helpx.adobe.com/premiere-pro/system-requirements.html#Adobe Premiere Pro CC (2014) system requirements and language versions
My GPU should be supported.
Extra specs of pc:
MB: asus p9x79
cpu: 4930k
Ram: 64Gb
Hardrives: ssd for system and raid 0 of two WDred 4Tb
My question is, what can i do to pinpoint the problem? what can i do to make premiere use the gpu.
Thanks,
Romeu

Hi all,
Thanks everyone for the help, just wanted to let you know that i finally got it WORKING! YEAH!!!
Long story short, re-installed windows carefully and without even installing the nvidia drivers it worked...
So what is wrong with all this? Before starting to rant, adobe wasn't even slightly in the problem equation, so thumbs up for adobe.
As i wrote above in another post, the first time that i installed this machine, i had some weird issues with windows 8.1, or so i thought that it was due to the new version of windows.
But the real problem came with the various software provided with Asus main-board and with the corsair cooler.
Although in win7 you could install everything without a problem, any software that came with the hardware that somehow was meant to control overclocking or fan speeds, would break windows 8 installation. I would get some TDR errors from windows(this means that some time the graphic driver would simply stop working and windows, attempting to restart it would give me some Blue screens of death!)
The solution:
First i updated the mother bios to the latest update, this is a process that should be done carefully due to it's possible outcomes.
Just as a side note, after backing up all my files, a time consuming job because of my 8Tb raid, you have to be careful updating the bios, because it will set your settings to default! that is the only way it could be done, and it is all good.
But if you have your sata controller set to raid as i do, so you can set up a raid disk, the default value in the bios is IDE! and if you restart your pc with this setting changed, it will break down your raid drive! so after updating your bios, your main concern should be entering the bios right away and put the sata controller in raid mode again. I had some raids destroyed in the past due to this simple switch of setting, and god luck after this to get it back. it is not impossible, but i never managed to do it.. the only thing that i could do after this was to get back my data with Testdisk. if you know what testdisk is, you know what i'm talking about.
Now, simply install windows 8.1 and only install drivers. If possible, as i did, with the latest drivers downloaded form the manufacturers site.
Then do ALL updates from windows, this takes a while, because there are updates that only show up for install after others updates, about an hour of update, download,update,download....
After that you will see, that through windows update, you will get nvidia driver, not the latest but surely the most recommended by windows and every thing should work corectly.
I then downloaded the latest nvidia driver, and installed it also, but i only installed the driver, by selecting custom installation and unchecking everything except for the nvidia driver.
And now, everything runs smoothly
I am a bit frustrated that, not one support from Microsoft, Nvidia or even Adobe, although adobe came closer that the others in helping me out, could tell me exactly what was wrong with my configuration.
I know this from the past but come on! you have to re install an OS to fix issues? Mac OS isn't perfect but it is a lot closer to it than windows 8. you can actually fix things instead of having to re-install everything.
What if all this big software companies could write a simple software for debuging? you know,
instead of asking if i have done all the steps for troubleshooting a problem, that i usualy have and this is why i'm contacting support to ask for extra help other than the one they're offering in troubleshooting guides.
A software that would run, and check these simple things, drivers versions, windows configurations, registry keys, software versions, conflicting IRQ's etc... and then, after having a good report of the situation, offer a good approach to resolve the solution.
Well, sorry for the long post, but maybe this will help others in similar situations.
Thanks again to all those who helped me.
Cheers!
Romeu

GPU Acceleration in Flash

Hi all,
This is my first post here so if this is the wrong place please excuse the post and move it to the appropriate forum. I'm working for a company who is using flash to play HD media. Right now, the systems they are having to buy to play the media conent must have relatively decent CPUs in them due to flash relying mostly on the CPU. With the flash 10.1 beta there is now obviously a focus on GPU acceleration and we are quite excited about this as it could considerably drop the cost of each of our hardware units. We have tried some tests thus far however it appears that our flvs are not taking advantage of the GPU acceleration. The only way I know how to test this is by enabling/disabling the hardware acceleration from the settings menu in flash and then restart the browser to be sure the setting has changed. I am assuming that our flv is perhaps not encoded in a format that flash will be able to use hardware acceleration for however I am not completely sure of this. The media encoding is not part of my job on this project howeve I am tasked with the testing of the flv's on carious hardware. Is there a specific codec that needs to be used or a way of encoding the flv so that flash player 10.1 beta can play the video with hardware acceleration?
Thanks for your response. Again as mentioned, I don't know the ins and outs of the encoding process that is currrently being used, but I will pass any infomation gathered here onto our media guys and developers. I do know that using the flash 10.1 beta on youtube I can play 1080p videos fullscreen using nVidia GPU and an intel atom cpu without any issues with the hardware acceleration on. WIthout it, the cpu hits 90+% and the video is way to choppy to be of use so hardware acceleration is definitely working there.
Terry

Flash Player 10.1 has its own forum: http://forums.adobe.com/community/labs/flashplayer10/flashplayer10
Regarding your question, the easiest thing to do is host an example stream somewhere using that encoding. It can be a test pattern if you wish, content doesn't matter, just the encoding.    The most common mistake is to use interlaced encoding. It must be progressive, interlaced will always default to SW decoding.   Its much more inefficient than progressive encoding for SW playback as well. Its always a bad idea to use interlaced.    Apart from that, there are some harder to describe encoding options that can disable HW decoding. We would need to see an example encoded stream to tell you what option is defaulting you to software.
Are you only testing on nVidia ION gpus?   If so, there is a known limitation of that gpu that certain unusual video widths (such as 864) are not supported for HW decode.
If you are testing on other machines, you might also want to make sure the GPUs and GPU drivers you are testing with are supported.   Apart from nVidia gpus, you will need to update your video drivers to enable HW acceleration.    You can get more details in the release notes for the 10.1 beta: http://labs.adobe.com/technologies/flashplayer10/releasenotes.pdf    You can find out what card and driver version# you have installed by running "dxdiag.exe" from the windows start program ui, or the DOS command line.   Check the "display" tab in the application that starts up.
-chris
Flash Player Engineering.

Nvidia or Radeon for Photoshop CS5/6 for GPU acceleration

Hi there-
Im buying a new videocard for my photoshop PC, and Im trying to figure out if Photoshop supports GPU acceleration on both Nvida and Radeon cards. Ive heard in the past that it only supported CUDA (Nvidia). I currently use CS5, but will update to CS6 at some point.
Thanks,

From a pure quality perspective - and you should know I develop OpenGL graphics software myself - I find ATI/AMD's display drivers to be more consistently of good quality. Both companies flub driver releases occasionally, as they focus primarily on computer game development, but ATI seems to deliver "golden" versions, which just work right with Adobe products, more often. I have had to work around problems in display drivers from nVidia more often.
Also note that Photoshop and company tend to prefer single video cards, rather than dual/multiple GPU arrangements sometimes found inside certain video cards, or creatable by the user by buying multiple cards. Many modern video cards can support multiple monitors on a single GPU.
If you do choose one or the other video card, also keep in mind you'll want to make sure you don't push your computer's power supply past its design limits. I like the ATI x670 line (e.g., the current VisionTek ATI Radeon HD 6670 1GB DDR5) because it balances power consumption against GPU performance, and doesn't emit "on the runway" fan sounds. Don't get me wrong, these cards are plenty fast, but they don't even require a separate power connector.
-Noel

Premiere CS6 crashes after enabling GPU acceleration

is there a reason this would be happening? i'm running the Nvidia 680M.

I'm currently running 8.17.13.271. when i attempt to install the new driver (306.97) for the 680M i get 'could not find compatible hardware'
The GPU seems to run fine when i don't enable GPU acceleration. after i enable GPU acceleration in the nvidia control panel i get major problems. computer crashes on boot on premiere and after effects. It takes me about 2 hours to get it to boot out of safe mode after it crashes.
Date: Wed, 28 Nov 2012 13:33:01 -0700
From: [email protected]
To: [email protected]
Subject: premiere CS6 crashes after enabling GPU acceleration
    Re: premiere CS6 crashes after enabling GPU acceleration
    created by John T Smith in Premiere Pro CS5, CS5.5, & CS6 - View the full discussion
>happened after i installed the 680M That is now what Hunt asked "What is the driver version/date for the nVidia" So... what is the driver version? Example... I have a GTX285 and my driver is 296.10
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Missing GPU Acceleration With NVIDIA Quadro 4000

Hi -
I have a PC running Windows 7 with an NVIDIA Quadro 4000 card and 16GB of RAM. I have both Premiere Pro CS6 v6.0.5 and Premiere Pro CC v7.2.2 (just installed).
When I create a new project in CC, my only option under Video Rendering and Playback is Mercury Playback Engine Software Only. However, when I open a project in CS6, I get that option and also Mercury Playback Engine GPU Accelerated (CUDA).
Any thoughts on why the GPU option would not be available to me in CC?
Ed

Hi Mesmer3001,
I will suggest you to do a clean uninstall of all NVidia drivers and then re-install the latest one from the NVidia website. So, please follow the steps mentioned below.
Go to Device manager, right click on the graphivs card and select update driver software.
Select Browse my computer for driver software option.
Then on next screen choose Let me pick from a list option
Choose standard VGA graphics adapter which will choose VGA mode for your machine.
Then go to Control Panel and uninstall all the NVidia drivers. Restart the machine once it is done. Then go to the below link and re-install the Drivers again.
Hope it helps and please update if you need further assistance.
http://www.nvidia.com/Download/index.aspx?lang=en-us
Regards,
Vinay

IMAC's Top graphics card frustration - Cheap and no support for Adobe Mercury Playpack Engine GPU Acceleration?

If anyone has a solution for getting the Mecury Playpack Engine GPU acceleration to work with Premiere Pro CS6 on an iMAC 2011, please let me know. Like I wonder if you could Thunderbolt an External graphics card somehow? Or is an upgrade possible? Ahh...not worth the risk.
Please, if you have a solution for me, let me know. Otherwise I find it pretty frustrating that I purchased a top-end iMAC, fully maxed-out in every way possible, and that the iMac doesn't support Adobe Premiere's Mercury Playback Engine GPU acceleration. Also, an old USB 2.0 Hub and thus the built-in SD card reader is slow. If you have SD cards with 95MB/s Transfer, Read and Write speeds, the iMAC will only transfer at around 30MB/s if you're lucky. Technically 480Mbs which is around 50MB/s but I haven't seen those speeds.
I figured this could at least be circumvented with a Thunderbolt SD card reader or a Thunderbolt to USB 3.0 adapter but of course no such thing exists.
Well, nothing with a reasonable price tag. This all might seem trivial to some but when you're uploading 24 hours of HD video footage from a 128GB SDXC card, the speed makes a big difference.
And come on, no BluRay support? Ridiculous. I get the politics of why but still, just ridiculous. It would be nice to be able to burn a BluRay to watch in my home theater system. There are other methods but BluRay is convenient and great for backing up large Video Files. Unfortunately BluRay looks like it's not going to make it. Maybe cable distribution companies will increase their Internet upload speeds one day and I can just store everything in the cloud and watch full length movies(that I've created) on Vimeo.
Anyways, I went and took a look at the hardware Apple stuffed inside my fancy (3.4 Ghz i7, 16GB 1333 DDR3, 2GB AMD 6970M, 256 GB SSD Internal and 2TB 7200 Internal) machine and it appears to be pretty middle of the range stuff. It's an iMAC, not a Mac Pro so why am I griping? Because my 2009 PC(which I tricked out over the last two years) is faster and does support the Mercury Playback Engine. I spent $2100 total on this PC which includes all my upgrades. I spent around $3300 on the iMAC. I feel ripped off.
Yes, I do love my iMAC on multiple levels but had I known my dated 2009 PC would render video projects faster, I would have gone with a MAC Pro or just a new PC. It seems that Mac is moving completely away from making high-end computers for niche markets(video editing) and focusing on their tiny laptops, IPADS and IPhones for the masses. Obviously smart from a capitalistic perspective(at present at least) but very frustrating for some.
I was actually told to purchase a MAC for video editing. I've been a PC guy for 15 years. I went with the iMAC because I had read many good things about it(probably just Apple propaganda) and also the MAC PRO was to be discontinued. Also the MAC Pro would have been triple the cost for what didn't seem like a whole lot more.
It's one's thing to prepackage a computer with inferior hardware(the iMAC I have is fast for most things and more than enough for 99% of the population) but to not allow us to pop open the computer and make a quit upgrade to the machine is what really makes me feel like I'm using a computer built for Grannies. I mean there is a reason my mother loves iMacs and Iphones. Amazing that I was able to upgrade my memory from 4 to 16GB but I've heard Apple has even done away with that. I get why they do it. Apple Warranty, Apple Care issues, Profit and World Domination: Apple wants a monopoly on everything.
Was great to see Adobe bounce back after the whole Flash/HTML5 thing and knock Final Cut Pro off the face of the Earth for good. People are still buying it b/c of the brand name but Final Cut is done. David Fincher used Adobe's Workflow for everything when he made The Girl with The Dragon Tattoo. Hollywood is making the shift and the world will follow. The Adobe Workflow has finally come together and there is just no way Apple can compete with Adobe Creative Cloud and an Engine that can just swap from Premiere to After Effects to Prelude to SpeedGrade to Photoshop to Story with speed for $29 bucks a month(or $49 for some). Apple better start supporting Adobe's Mercury Engine or they may have a problem. And if you're using Final Cut X, you're severely handicapping yourself. Problem is that people don't want to take the time to learn Adobe's products(steep learning curve for sure) which is where Apple's Granny software, and perhaps computers, comes in to play. Arnold Schwarzenegger once said "Milk is for babies, Real Men Drink Beer". I'm beginning to think that "Mac's are for Grannies, Real Men Use Adobe and PCs".
The major problem with Apple is you're forced to use Apple. Not sure but history has proven that people don't like to be forced into anything. Autocracies don't work. These systems eventually topple, even in the corporate world.
Amazon.com, now that's the company to emulate. What an amazing machine!
I've read that Apple may even discontinue the iMAC after 2013. Who knows?
If anyone has a solution for getting the Mecury Playpack Engine GPU acceleration to work with Premiere Pro CS6 on an iMAC 2011, please let me know. Like I wonder if you could Thunderbolt an External graphics card somehow? Or is an upgrade possible? Ahh...not worth the risk.
1) Graphcis Card - AMD Radeon HD 6970M 2048 MB (6990 would have been better or something from NVIDIA.
2) USB 2.0 Hub with only 480 Mb/sec
3) Seagate Baracude SATA I 7200 RPM drive with 3GB/s transfer rate and only a 32 GB Cach. It's ok. I would have expected at least a Western Digital Caviar Black 2 TB SATA III 7200 RPM 64 MB or the Velociraptor at 10,000RPM.
4)APPLE SSD TS256C Flash Drive. As you can see, it doesn't stack up so well against other SSD Drive.
Just average. http://www.harddrivebenchmark.net/hdd_lookup.phphdd=APPLE+SSD+TS256C

Whining and ranting about how iMacs can't do this or iMacs/orMacs can't do that is not going to get you a lot of help here.
Your "I love my MAC" is typical of the ever ubiquitous PC whiner.
If your video work needs were that computer intensive and critical , you should've done some online research and you should have budgeted for a Mac Pro.
Mac Pros are completely expandable and upgradeable unlike the iMac.
Mac Pros have much more faster and more CPU cores than the iMac line.
iMac line is limited to CPUs with 8 cores. The Mac Pros, I believe, are up to 16 core CPUs, now.
The Mac Pros can have their GPU upgraded and you even add/expand to use specialty audio/video cards.
Mac Pros are the defacto standard for real video work.
iMacs, even the high end model, is not really designed to do really heavy and intensive video work.
iMacs do do video creation and editing. Just not on the level that is needed from a more "Pro" computer.
It seems to me you are asking your iMac to do more than it was originally designed for, in terms of professional video editing.
You get a lot more out of a Mac Pro than an iMac for any real serious video, CGI or animation work.
You just didn't want to spend that much cash on one.
iMacs are not user upgradeable or friendly to user upgrades at all!!!
If you purchased a Mac Pro, you could've had that better, faster HD, better faster SSDs.
That said, I can offer no real help to but because of the nature of your post and the fact you just simply annoyed me, I feel some advice and explanations are in order
First off, you picked Adobe video editing software suite as your video creation software on the Mac. It's no secret to long-time video content creators on the Mac that Adobe products, especially those for video creation and editing are very user unfriendly on the Mac. Even though Macs are supported from Adobe, Adobe for a long time has treated the Mac and Mac users as second class citizens.
Before purchasing and installing Adobe Premiere, did you even check Adobe's site for the preferred system hardware and software requirements? Hmmm?
This is why you should KNOW what software you are going to be running on a computer first then research what computer make and model will run said software.
That's why Apple has its own apps like Aoerture, Logic and Final Cut.
Despite your ignorance in this matter, Final Cut Pro X is alive and doing well, thank you, and using this software on your iMac would kick Adobe Premier in the you know whats.
Final Cut Pro X is a complete video solution for and completely designed around the Mac.
Why are you using USB 2.0 connections for video work when you have a perfectly good FireWire 800 connection.
In case you are not aware, FireWire 800 is called so because it has a max throughput of 800 Mbps.
Your 2011 iMac can take up to 32 GBs of RAM. Not just 16 GBs.
This changed when the 2010 model iMacs came out.
Blu-ray? I believe you can buy external Blu-ray writers that work with Mac using said FW800 connection.
So you cite one movie and one videographer using Adobe Premier for your premise that Final Cut is dead in Hollywood?
Your argument that Apple locks you into everything in their world can be countered by saying Windows and Windows PCs lock you into the Windows world. What's your point?
Apple is not discontinuing their computers platforms any time soon.
All you are regurgitating is rumor. Probably from all of the PC crowd.
iMacs and professional desktop Macs are not going anywhere.
Currently, Apple is the only desktop/laptop computer maker that is still making a profit on their Macs and increasing their market share percentages for the last 5 years during which the PC market has continually slumped/dropped in its market share.

When I chose the GPU Acceleration on my general settings I only get audio and not video play back

It has been extremely frustrating for me because my computer can render files fast just couldn't read the graphics card I had so I had to unlock it. I am hoping someone on here has done something similar to help me get this to work because the only thing that I am having trouble with as far as when it is on software only is on play back. I kept dropping several frames and it was really frustrating me. I think I may have found why I am having this problem and hope someone on here can help me out.
15. Now just add the name of the card between the “Renderer string:” and the forward slash “/” to the cuda_supported_cards.txt file.
This was on of the steps that I did not understand and could be the reason why it is not working properly because I did not know how to do this.
Like I said it is letting me switch to the GPU Acceleration mode just not letting me see any video on anything in cs6.
This is the link to where I learned how to get premiere cs6 to read my graphics card http://www.studio1productions.com/Articles/PremiereCS5-2.htm
I have a GeForce GT 525M graphics card and according to that site I can get premiere to read my graphics card to help me playback without dropping frames.
I also installed the latest driver so that can not be the issue as of now. If you know the answer please help this is very frustrating.
Thanks!

See http://www.nvidia.com/Download/index.aspx

GPU Acceleration causes random frame in encode?

New Mac Pro (6 core, d500 cards, 32GB RAM, OSX10.9.4). Adobe Media Encoder CC 2014.0.1. Tested on two separate machines of the same configuration.
I have a just over 2 hour long 1080p ProRes file that I was encoding to MPEG2 for DVD. During QC of the disc, a random frame from another part of the movie was found in a spot about 39 minutes into the encode. The issue was in the encoded MPEG2 stream.
The client also wanted a lower resolution h264 proof of the video, and that was encoded on the same machine at a separate time. That had the same random frame at the exact same spot.
I encoded the preview h264 in just a few minute segment of the video around the glitch on the second Mac Pro. It showed up again. I used the same setting but turned off GPU Acceleration, and the frame is gone.
Does anyone have any ideas as to what is going on here? Obviously there is a problem with GPU acceleration on the new Mac Pro's with Media Encoder, but what could be specifically causing it and what could be done to fix this? With all of the issues in Premiere and After Effects, some of which are being caused by software updates, and the issues with the one Mac Pro needing to be replaced due to bad video cards, I feel like there is just a ton of problems that didn't exist on our outdated Mac Pro with Final Cut Pro 7.
Please let me know of any ideas to make me not doubt every encode I do on these machines with GPU Acceleration turned on. Thanks.
-Phil

Does anyone have any additional ideas on this? I heard from the CreativeCow forums that this has been a known bug with GPU Acceleration on the new Mac Pros. Is this the case? Has anyone else had this issue looked at by Adobe?

How did I get better compression when using GPU acceleration?

Hello,
I was just making a short, 1:12-long video encoded as H.264 in an MP4 wrapper. I had edited the video in Premiere Pro CC, and was exporting through Adobe Media Encoder at a framerate of 29.97 FPS and a resolution of 1920x1080. I wanted to do a test to see how much GPU acceleration benefits me. So, I ran two different tests, one with and one without. The one with GPU acceleration finished in 2:09. The one without it took 2:40, definately enough to justify using GPU acceleration (my GPU is an NVidia GTX 660 Ti which I have overclocked). I am sure my benefits would be even greater in most videos I make, since this one had relatively few effects.
However, I checked the file sizes out of curiosity, and found that the one made with GPU acceleration was 175 MB in size, and the other was 176 MB. While the difference is pretty small, I am wondering why it exists at all. I checked the bitrates, and the one made with GPU acceleration is 19,824 KB/s, whereas the other is 19,966 KB/s. I used the exact same presets for both. I even re-encoded the videos again just to test it and verify the results, and the second test confirms what the first showed.
So, what I am wondering is: What is it that made this possible, and could this be used to my advantage in future productions?
In case it is in any way relevant, these are my computer's specifications:
-Hardware-
Case- MSI Interceptor Series Barricade
Mainboard- MSI Z77A-G45
Power Supply Unit- Corsair HX-750
Processor- Third-Generation Quad-Core Intel Core i7-3770K
Graphics Card- ASUS NVidia GeForce GTX 660 Ti Overclocked Edition (with two-gigabytes of dedicated GDDR5 video memory and the core overclocked to 1115 MHz)
Random Access Memory- Eight gigabytes of dual-channel 1600-MHz DDR3 Corsair Dominator Platinum Memory
Audio Card- ASUS Xonar DSX
System Data Drive- 128-gigabyte Samsung 840 Pro Solid-State Drive
Storage Data Drive- One-terabyte, 7200 RPM Western Digital Caviar Black Hard Disk Drive
Cooling System- Two front-mounted 120mm case fans (intake), one top-mounted 120mm case fan (exhaust), and a Corsair Hydro H60 High-Performance Liquid CPU Cooler (Corsair SP120 rear exhaust fan)
-Peripherals-
Mouse- Cyborg R.A.T. 7
Keyboard- Logitech G110
Headset- Razer Tiamat Elite 7.1
Joystick- Saitek Cyborg Evo
-Software-
Operating System- Windows 8.1 64-bit
DirectX Variant- DirectX 11.1
Graphics Software- ASUS GPU Tweak
CPU Temperature/Usage Monitoring Software- Core Temp
Maintainance Software- Piriform CCleaner and IObit Smart Defragmenter
Compression Software- JZip
Encryption Software- AxCrypt
Game Clients- Steam, Origin, Games for Windows LIVE, and Gamestop
Recording Software- Fraps and Hypercam 2
Video Editing Software- Adobe Premiere Pro CC
Video Compositing/Visual Effects Software- Adobe After Effects CC
Video Encoding Software- Adobe Media Encoder
Audio Editing/Mixing Software- Adobe Audition CC
Image Editing/Compositing Software- Adobe Photoshop CC
Graphic Production/Drawing Software- Adobe Illustrator CC

As I said in my original post, I did test it again. I have also ran other tests, with other sequences, and they all confirm that the final file is smaller when GPU acceleration is used.
Yes, the difference is small but I'm wondering how there can even be a variable at all. If you put a video in and have it spit it out, then do that again, the videos should be the same size. It's a computer program, so the outputs are all based on variables. If the variables don't change, the output shouldn't either. For this reason, I cannot believe you when you say "I can, for example, run exactly the same export on the same sequence more than once, are rarely are they identical in export times or file size."

Adobe Photoshop CS6 Extended 64-Bit GPU Acceleration Stopped Working

I've been using Photoshop CS6 Extended 64-bit when one day the GPU acceleration features stopped working. I closed the application and restarted it and the GPU acceleration still didn't work. I couldn't rotate the canvas or use scrubby zoom. I rebooted my system and it still wasn't working. I check my performance preferences and my graphics processor was detected with the "Use Graphics Processor" box checked. I unchecked it and rechecked but the GPU acceleration still wasn't working. I uninstalled Photoshop CS6 and reinstalled it. I got the GPU acceleration to work opening the application right after the install. I close Photoshop CS6 64-bit and reopened it and the GPU acceleration wasn't working again. I am able to use GPU acceleration features in Photoshop CS6 32-bit with no problem. I'm running Windows 7 Ultimate 64-bit Ultimate Edition and I have a GeForce 280m GTX GPU. Would there be anyone out there who can help me with this issue. Thanks.

From what I gathered on this Forum there is a good chance that it may be related to the driver – unfortunately it could be either becasuse it’s obsolete or a bad new version.
http://helpx.adobe.com/photoshop/kb/photoshop-cs6-gpu-faq.html

GPU Acceleration Done Right

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