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Rendering hell!
Posted by Videobiker on September 14, 2005 at 3:10 amI have an 11 minute seq in HD, roughly 165 edits. 100 of those have the following 4 filters applied: Sapphire Glow, Sapphire grain, BCC Blur, FCP Strobe….I have just finished upresing to 10 bit and what was a 7-10 minute render in DV is now a 3 hour monster according to the bar!
Can anyone tell me what and where I should check my Boris settings? I have a feeling the Boris stuff is my problem as there chroma key is acting differently on all clips.
TIA
Biker
Christopher Wright replied 20 years, 7 months ago 6 Members · 9 Replies -
9 Replies
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Shane Ross
September 14, 2005 at 3:29 am[videobiker] “0 of those have the following 4 filters applied: Sapphire Glow, Sapphire grain, BCC Blur, FCP Strobe”
And ONLY a 3 hour render? Boris and Sapphire, especially at high resolutions, take a while to render. I have one Boris transition (custom made) that for the 1 second transition takes 5 min to render.
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Bret Williams
September 14, 2005 at 3:43 amI used to do stuff like that on the old machines and it was like “ok, so this is an 18 hour render. Want to come by and check it out next Thursday?”
3 hours sounds pretty quick to me.
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Videobiker
September 14, 2005 at 4:15 amSorry, Big Typo…Project is SD NOT HD. If It was HD I would think the render times normal.
Also system is a new G5, DP, 2.7ghz, 2GB SDRAM runnibg fibre to Medea FCRX(?)1TB
Biker
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Shane Ross
September 14, 2005 at 4:54 amI mean SD too. Beta, digibeta and DV footage. The fact that your render times are 3 hours as opposed to 8 hours is due to the fact that you are on a G5.
Sapphire and Boris are HEAVY effects plugins.
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Videobiker
September 14, 2005 at 1:06 pmWOW! What a drag! What is the difference in the way Avid renders as to the way FCP renders? This same sequence in avid(express pro w/mojo)would only take about 15 minutes to render and I am guesstimating on the heavy side. I have been working on Avid’s only(Xpress pro w/mojo, adrenaline, composer….) for the past 5 years so I am very familiar with the product. I have been pretty happy with the FCP rig right up to the up rez stage. I have that sorted out now but this rendering thing is a bitch.
Would I see marked time improvement by going with 4GB of RAM?
Biker
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Walter Biscardi
September 14, 2005 at 1:15 pm[videobiker] “Would I see marked time improvement by going with 4GB of RAM?”
Nope, only faster processors give you faster rendering times. With the filters you mentioned, that sounds like the correct render time for an uncompressed SD project.
Walter Biscardi, Jr.
Creative Genius, Biscardi Creative Media
https://www.biscardicreative.comNow in Production, “The Rough Cut,” https://www.theroughcutmovie.com
Now editing “Good Eats” in HD for the Food Network
“I reject your reality and substitute my own!” – Adam Savage, Mythbusters
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Walter Biscardi
September 14, 2005 at 1:17 pm[videobiker] “.I have just finished upresing to 10 bit and what was a 7-10 minute render in DV is now a 3 hour monster according to the bar!”
Actually, one more thing to mention here too, FCP will calculate the remaining render based on what it’s doing right at that moment. So that render time changes as it moves from task to task. What shows up as 3 hours to start with may end up being 2 hours or less depending on how CPU intensive each effect is.
Walter Biscardi, Jr.
Creative Genius, Biscardi Creative Media
https://www.biscardicreative.comNow in Production, “The Rough Cut,” https://www.theroughcutmovie.com
Now editing “Good Eats” in HD for the Food Network
“I reject your reality and substitute my own!” – Adam Savage, Mythbusters
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Gary Oberbrunner
September 14, 2005 at 2:35 pmJust FYI, Sapphire should render at the same speed in 10 bit as 8 bit in FCP, although both the times you were getting in DV (faster than real time?) and your new 10 bits times (about 1/10 real time) seem a little unusual to me. Try replacing the BCC blur with a Sapphire blur and see if that makes a difference. And of course if there are parts of your sequence where you don’t need the effects, cut there and take the effects off. That may be obvious though 🙂
— Gary
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Christopher Wright
September 14, 2005 at 7:09 pmThe Boris effects are the definite culprit. They are EXTREMELY slow rendering on any system, including an AVID.
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