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Slow render with G-Drive

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Maria-Luisa Meredith
Slow render with G-Drive
on May 25, 2012 at 3:35:02 pm

Hi

I've recently purchased a G-Drive 750GB Drive which I have connected to my Macbook Pro via FW800.

I'm working on an edit that requires an hour long sequence with Timecode in vision.

My previous drives were Lacie D2's (also via FW 800) and I've never had to wait literally hours for something like this to render!

All the blurb suggested the G-Drive (at 7200 rpm) was perfect for Video work but I'm not finding that difficult to believe.

Anyone else experienced similar?

Many thanks.

M

Macbook Pro / OSX 10.6.4 / 2.4GHz Intel Core i5 / 4GB 1067 MHz DDR3

FCP Studio 7.0.2


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Rob Grauert
Re: Slow render with G-Drive
on May 25, 2012 at 3:49:56 pm

Your hard drive doesn't dictate render time. That's a job your CPU handles.

Have your past projects been similar to the project you're currently rendering? If not, you're not making a fair comparison. The length of the timeline, applied effects, formats and codecs, etc all affect your render time...

Rob Grauert, Jr.
http://www.robgrauert.com
command-r.tumblr.com


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Maria-Luisa Meredith
Re: Slow render with G-Drive
on May 25, 2012 at 4:51:39 pm

Hi

Thanks for your response.

This job is for a regular client so it's definitely a scenario I've worked with before, it's never been this slow.

The sequence is about 58 minutes long with two tracks of audio, one of video and one with the Timecode generator.

A bit more info about the project (machine info at end of post):

Project: HDV
Sequence:1440x1080
Field Dom: Upper
Compressor: HDV 1080i50

Macbook Pro
OSX 10.6.8
2.4 GHz Intel Core i5
4GB 1067 MHz DDR3

Macbook Pro / OSX 10.6.4 / 2.4GHz Intel Core i5 / 4GB 1067 MHz DDR3

FCP Studio 7.0.2


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Pierpaolo Ferlaino
Re: Slow render with G-Drive
on May 25, 2012 at 11:42:04 pm

I often use g-drives and never had this kind of problem. Sometimes they seems to be slow to start playback on my fcp sequence if I leave my computer for some time but I don't think that render times could be affected by your hard drive until it has no other read/write issue...


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Rafael Amador
Re: Slow render with G-Drive
on May 26, 2012 at 2:03:01 am

You are rendering back to HDV which ill make any rendering very slow.
Change the sequence codec to any Intraframe option and things will speed up.
rafael

http://www.nagavideo.com


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Maria-Luisa Meredith
Re: Slow render with G-Drive
on May 28, 2012 at 8:25:45 am

Hi

Ok thanks. Do you mean to use an export codec such as H264 or Motion Jpeg then?

M

Macbook Pro / OSX 10.6.4 / 2.4GHz Intel Core i5 / 4GB 1067 MHz DDR3

FCP Studio 7.0.2


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Rafael Amador
Re: Slow render with G-Drive
on May 28, 2012 at 9:06:39 am

[Maria-Luisa Meredith] "Ok thanks. Do you mean to use an export codec such as H264 or Motion Jpeg then?"
No H264. that's another GOP based codec.
PhotoJPEG, Prores, Uncompressed, DVCPro..what are considered "production codecs" are Intraframe.
Intraframes codec are compressed/decompressed and processed frame by frame.
Normally with the GOP (Group of pictures), to process a single frame you need to decompress/recompress a full GOP (15 frames for HDV/NTSC), this slow any process.

Proress is the best option when working with HDV stuff.

rafael

http://www.nagavideo.com


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