AE CS6 performance problem

I have an eccentric performance issue that I am looking for help on. I found this in AE CS5, and it's still in AE CS6, so I thought I should sue here. It is on a platform of win7. For the record, everything is fully updated and patched, including display drivers.

First of all, a context. Most of my work is interviews and classes, for the most part two cameras. Most of the interviews are one-man-band with me handling everything. A few times, I had to film in conditions of low light, resulting in a noisy capture one or two cameras. Both cameras are capture in AVCHD 1080 p 30. When we are lucky, we get one interviewee who is hinged, and has much to say, these clips can be long for long minutes. If we were talking about a second clip seven here I won't be wasting your precious time. I'm talking as much as 25 minutes of film.

What I've done so far, is send the noisy images of the body to AE via dynamic links and run the effect of "reducing grain. This isn't a problem of editing - I just disable the effect in AE so it does not interfere. But when it comes to export, a few seconds of these sequences is painful and a few minutes is ridiculous. I had one piece of 3.5 minutes take 16 hours to export, or right to 10.25 seconds for each image.

Naturally, I ran win7 Task Manager / resource monitor to see what was going on. What I've found, is that the machine was not limited - I couldn't find a bottleneck. It's a nuclei of i7 930 machine, so four eight hyper-threads. Everything works in about 20-30% in this case. I got 12 GB memory and had as much as 6 GB free. I have three hard drives and none of them were busy - the target drive, getting a continuous line of images in Scripture, but of it is average queue length was zero. The system was written only about 2 MB per second. Like I said, without bottlenecks. So, what's the problem?

I have since tried to isolate the problem. Using this same sequence, if I have AE make internal make the queue, she turns on the machine - all Hyperthreaded running hard (85-100%), all of the memory used and target the disc is hammered. 10.25 sec/frame to 1fps, it goes 10 times faster. But if I made the same images through the Media Encoder, I'm back for a very slow rendering.

It seems that when EI is called through hotlinks, it runs only on a single hyper-thread. And when AE must touch each image (as it does in using an effect of "reducing grain"), he actually makes a hyper-threaded machine eight in one hyper-thread machine. Why is this? What can I do about it?

I can't find the settings for this effect in some way. I played with memory and multiprocessing preferences without success (my best settings to aid internal queue of EI turned out be book 4 GB memory for other processes and turn on the simultaneous rendering of multiple images with the allocation of RAM / CPU at 1.5 GB resulting 4 hyper-fils used for this background). Y at - it the parameters for this effect?

In summary, if I turn off the grain effect to reduce in AE and the export of the body, the machine blazes far and finished my export of 3.5 minutes in about 35 minutes. If I turn on the effect of grain reduction, it takes more than 16 hours to do the exact same job. If I turn just 3.5 minutes of the camera which needs the grain effect to reduce, with ME directly (taking the body of the equation), it takes the same 16 + hours.

So I think that it is a performance problem with AE and how it works with dynamic linking.

Certainly I'm not the first person to see it. So, I hope that there is good workaround solutions. I don't want to make an intermediate AE file if there are good alternatives. This is a workflow that dynamic binding was supposed to eliminate. In addition, I want to avoid re - compress these files, and I don't have the disk space to make an intermediate file lossless image I (even a CODEC moderately compressed as Cineform generates more of 10 x).

Suggestions? Please?

Nothing to correct because nothing is broken. Read it here at the end down.

Mylenium

Tags: After Effects

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