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IS Compressor 3.5 slower than 3.0?

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Ben Holmes
IS Compressor 3.5 slower than 3.0?
on Mar 10, 2010 at 2:46:15 pm

Barefeats thinks so:

http://www.barefeats.com/fcp7.html

I have to say I don't use it much, but anecdotally, I do find it slower, generally, than I was expecting. In fact, for quick encodes, I rarely use it - especially in connection with the 'share' option in FCP.

I've also noticed a few threads here complaining about it, such as:

http://forums.creativecow.net/thread/8/1050821#1050826

Thought this might be of interest to some people here - I really can't see how Apple can have gone backwards with Compressor - surely this is a minimal piece of software that serves only to implement some maths on encoding?

Edit Out Ltd
----------------------------
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http://www.blackmagic-design.com/casestudies/detail.asp?case=therydercup


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Ben Holmes
AND Motion
on Mar 10, 2010 at 2:57:58 pm

Oh - Forgot to mention the franky scary Motion performance test figures as well.

Edit Out Ltd
----------------------------
FCP Editor/Trainer/System Consultant
EVS/VT Supervisor for live broadcast
RED camera transfer/post
Independent Director/Producer

http://www.blackmagic-design.com/casestudies/detail.asp?case=therydercup


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Jeremy Garchow
Re: AND Motion
on Mar 10, 2010 at 6:08:11 pm

I don't really know about Motion, but what I notice with Compressor is that is takes a while for it to figure out what's going on and ramp up to the encode. Once it finally gets encoding, it's really fast.

The Share function is useless if you are using a virtual cluster.

I'm sure it will get 'tuned up' in a future release, at least I hope it will.


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Ben Holmes
Re: AND Motion
on Mar 10, 2010 at 8:51:28 pm

I'd hope so too Jeremy - Although, I fail to see what Apple could have done to mess up encoding in Compressor - as I said it's just a front end on some encoding maths. Maybe it's a quicktime issue...

Edit Out Ltd
----------------------------
FCP Editor/Trainer/System Consultant
EVS/VT Supervisor for live broadcast
RED camera transfer/post
Independent Director/Producer

http://www.blackmagic-design.com/casestudies/detail.asp?case=therydercup


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Jeremy Garchow
Re: AND Motion
on Mar 10, 2010 at 8:53:54 pm

[Ben Holmes] "Although, I fail to see what Apple could have done to mess up encoding in Compressor "

I don't think they did, but with the new MacPros and Now Leopard there's Hyper-threading going on so each core now essentially becomes two processors. It's a lot more to think about, initially.


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Matt Lyon
Re: IS Compressor 3.5 slower than 3.0?
on Mar 10, 2010 at 8:16:56 pm

Did I understand this test correctly? They downloaded some h264 half res HD footage and re-compressed it to h264 HD DVD?

Also, they only did one trial for each test?

Sorry to be a grump, but these results aren't really scientific. I'd be more interested on seeing some tests encoding pro res or uncompressed footage to h264. Also, there is lots of overhead that compressor has to do when encoding on a virtual cluster (splitting up clips and re-combining), so running tests on such a short clip (2min) is problematic. I'd be interested in seeing come comparisons of batches of longer materials (10 minutes and above).

I'm not saying these numbers aren't alarming ... but these tests are a little sloppy, imho.



Matt Lyon
Editor
Toronto


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Ben Holmes
Re: IS Compressor 3.5 slower than 3.0?
on Mar 10, 2010 at 8:55:24 pm

Barefeats are quick to add they need to do further tests. BUT a) they have a good track record on benchmarking and b) they were performing exactly the same test in each version - so whether or not it's the right comparison, at least it's a fair comparison.

I'll be watching carefully for a follow-up, but anecdotally I think they're right - Motion feels sluggish to me even on simple HD projects, and Compressor is slooooow...

Edit Out Ltd
----------------------------
FCP Editor/Trainer/System Consultant
EVS/VT Supervisor for live broadcast
RED camera transfer/post
Independent Director/Producer

http://www.blackmagic-design.com/casestudies/detail.asp?case=therydercup


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Jeremy Garchow
Re: IS Compressor 3.5 slower than 3.0?
on Mar 10, 2010 at 9:04:07 pm

[Ben Holmes] "Compressor is slooooow... "

I wouldn't go that far. It's actually pretty fast if setup properly. It chews Episode up.



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Ben Holmes
Re: IS Compressor 3.5 slower than 3.0?
on Mar 10, 2010 at 8:52:25 pm

That's the link I put in the first post Warren....

Edit Out Ltd
----------------------------
FCP Editor/Trainer/System Consultant
EVS/VT Supervisor for live broadcast
RED camera transfer/post
Independent Director/Producer

http://www.blackmagic-design.com/casestudies/detail.asp?case=therydercup


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