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RAM preivew – evn wireframe is slow!
Hi,
I’m having trouble with RAM previews. I have a not too complex comp, a few big nested comps, a couple of lights, but I’m getting really slow previews. Even wireframe only runs at 6.5 fps rather than 25. Bear in mind this is an SD project.
It’s the first time I’ve run AE on my T3400. I’ve set up RAM cache options as per recommendations. Is there something I’m missing?
Thanks!
Fab.
Dell Precision T3400/Core2duo 2.66GHz/4GB/Nvidia Quadro FX 1700 Running Avid Media Composer 3.0
Dell Precision M90 Core2duo 2.33GHz/4GB/Nvidia Quadro FX 2500M Running Avid Media Composer 3.0
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4 Replies
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Thanks for your reply Dave.
I haven’t any long GOP media in my project, indeed I don’t have any video at all, just vectors psds and jpgs. That is useful information though – HDV etc. is such a headache – added a whole unwanted step to my Avid workflow since I’m used to lovely Digibeta and DVCPro HD.
I’ve already disabled open GL and set up my preferences in line with several good guides on the subject. What is such a surprise is that the RAM preview is much slower on my T3400 than on my little M90 laptop.
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Just to be clear, you are not just hitting space bar to play the movie are you ??? Sorry if that is basic, but a lot of the people that I train make that mistake. The PC needs to create a render type file that it buffers to the ram for previews. Even if the scene is complex, AE should be able to create a preview that can playback at full frame rate, it is just that the more complex a scene, the longer it takes to build the ram preview. Again sorry if you already knew this.
Regards
Mark
Mark Harvey
Senior Editor
Le R -
Thanks to you both for your thoughtful replies.
As per the subject line, the weird thing about this issue is that RAM preview is unaffected by just about any setting I try. Even in wireframe it’s playing at most 7fps. This is once it’s created the preview i.e I have a nice green line atop my timeline. Even weirder is that once it’s generated a preview it’ll play back at roughly the same speed it does when I select draft/quarter res settings and hit spacebar.
Just to be clear, I have two nested comps that I built in 1080 nested within my SD comp. They’re not particularly complex, nor do they contain any 1080 vt. The two lights are only used in the first 8 seconds of the main comp, at which point they are switched off. Switching them off for the purpose of identifying the bottleneck yielded little conclusion.
There must be something I’m doing wrong here since the actual renders of my final files are coming out superspeed – in fact in half the time my quad core MugBug Pro has managed. It’s far from my first AE project but it is the first on the T3400.
Thanks again!
Fab.
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I would bring up the task manager when trying to play the ram preview to see what is going on with system resources.
Regards
Mark
Mark Harvey
Senior Editor
Le R
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