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Activity Forums Adobe After Effects slow rendering anomoly

  • slow rendering anomoly

    Posted by Paddy Uglow on November 24, 2015 at 5:29 am

    This is rather ancient history – for various reasons I still use CS3, but maybe someone can help anyway.
    I’ve imported a movie, set up a comp and exported it, and it takes about 40 mins, which is fine.

    But I’ve got quite a few movies to export as separate comps, so I imported them all and set up a comp for each. Now each one is taking about 8 HOURS to export. If I remove everything from the Project window apart from one comp and one movie, it renders at a decent speed again.
    What’s going on? I’d like to be able to batch render all these comps rather than doing one at a time.
    Thanks

    Paddy, CreativeMedia.org.uk

    Kalleheikki Kannisto replied 10 years, 5 months ago 3 Members · 4 Replies
  • 4 Replies
  • Kalleheikki Kannisto

    November 24, 2015 at 9:37 pm

    “Export as comps”? I’m not understanding what you trying to do: What file format are you trying to export as?

    I would likely suggest Media Encoder, but unsure of what you’re trying to accomplish.

  • Ivan Myles

    November 25, 2015 at 5:55 am

    Difficult to identify the root cause without more info: system specs, sequence settings, project complexity, codec, etc. One definite issue is that CS3 was designed for a 32-bit OS, so memory is quite likely one of constraints. Also, HDD/SSD might be slowing you down. How full are your drives?

  • Paddy Uglow

    November 25, 2015 at 11:35 am

    Sorry for unclear specs and terminology, folks. I’m turning a collection of ProRes LT and DV-PAL files into 720p AIC files.
    I think I may have worked it out – I went to prefs and deleted all caches and databases, and moved them to my biggest disk (though I had around 70GB free on the disk where it was cacheing before).
    It seemed to be rendering (I’m just adding some curves) at a more sensible rate (2.5 hours, rather than 28 that it was predicting yesterday), but I’ve just checked it and it’s crashed! 🙁
    Thankfully I’ve been saved (again) by the wonderful JES Deinterlacer.

    Paddy, CreativeMedia.org.uk

  • Kalleheikki Kannisto

    November 25, 2015 at 3:10 pm

    Another consideration is reading and writing on the same disc, it would be faster to read from one disc and write to a different one, if that is possible in your setup.

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