90m clip render?

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90m clip render?
by Toby Tomkins on Dec 21, 2011 at 8:39:43 pm

Hi all,

I've got a feature I want to make a single node tweak on. With all the 'performance and stability' improvements with 8.1.1 could I render this out in a single project/timeline? or do I need to split it into rolls? This is on an a 2010 octo-core Mac Pro with 8gb ram and a Cubix.

Has anyone tried a render that long with 8.1.1 or 8.1?

Thanks!

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Re: 90m clip render?
by Peter Chamberlain on Dec 22, 2011 at 12:47:36 am

Hi, you don't mention the resolution. I would likely give it a try assuming its HD.
Peter

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Re: 90m clip render?
by Toby Tomkins on Dec 22, 2011 at 1:27:09 am

it'll be from 1080p ProRes422 and a 1080p timeline outputting to ProRes422.

But do you think the rolls attitude/approach is going to be a thing of the past? (i.e. could we expect to see entire feature timelines in Davinci without problems soon? What are the factors here, for example is it RAM allocation etc, does the source ie RED have an influence?)

Thanks,

Toby

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Re: 90m clip render?
by Peter Chamberlain on Dec 22, 2011 at 2:17:54 am

There are many parameters that make this challenging to define. What may work for some systems and file types may not work on another so we are conservative in our promotion of the one workflow for all approach. Resolve offers extremely high quality 32bit floating point processing by utilizing GPU processing but its usually the codec, resolution, bit depth, number of clips, file format, OS nuances, etc etc that dictate the potential speed bumps not the GPU side. That said, GPU ram does become an issue too when dealing with 4K and higher image sizes. These things are becoming easier to manage as GPU's, computers and OS develop but even in our fully spec'ed Linux configs most users separate the projects into some reel structure for speed and management of projects.

Peter

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Re: 90m clip render?
by Nook Kim on Dec 30, 2011 at 8:14:07 am

I've rendered a 100 min. R3D to 1080 Prores HQ without an issue. It was on a 2010 Octo with 16GB ram and a Cubix with three 4000/one RR.

Your mileage may vary though since I was rendering a single clip with such length.

Nook Kim
http://www.nookkim.com

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