Capture One OpenCl and Iris Pro 5200

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Capture One OpenCl and Iris Pro 5200

Postby Marbla » Wed Jan 01, 2014 10:50 pm

Dear Capture One team,

this may just be a random question: I just moved to a 15 inch rMBP with the Iris Pro 5200 GPU and wondered how much OpenCL changes the performance. So I ran a few benches that end up being exactly the same (compared to OpenCL off) which makes me wonder if it is not enabled after all. The performance is pretty decent as it is, but I thought I'd ask if you have any idea about that. Since I have a X-E1 I believe the OpenCL processing might not be on so I downloaded some IQ180 examples from your HP that also render in the exact same time though.

Thanks and a happy new year!

Markus
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Re: Capture One OpenCl and Iris Pro 5200

Postby Paul_Steunebrink » Thu Jan 02, 2014 8:32 am

According to this knowledgebase article
http://www.phaseone.com/en/search/artic ... nguageid=1
the Iris Pro 5200 is supported for OpenCL.
Last edited by Paul_Steunebrink on Thu Jan 02, 2014 4:54 pm, edited 1 time in total.
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Re: Capture One OpenCl and Iris Pro 5200

Postby Marbla » Thu Jan 02, 2014 3:17 pm

Thanks for the fast answer. I am aware of the listing since I read that before choosing my laptop config. Is there any of forcing opencl or seeing if it was on?
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Re: Capture One OpenCl and Iris Pro 5200

Postby RobiWan » Thu Jan 02, 2014 4:48 pm

Hi,

look in this Files :

~/Library/Logs/CaptureOneCC.log
~/Library/Logs/CaptureOneIC.log
~/Library/Logs/CaptureOneICOCL.log
~/Library/Logs/CaptureOneICP.log

the last two files tell you if OpenCL ist started and C1 use it or not.
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Re: Capture One OpenCl and Iris Pro 5200

Postby Marbla » Thu Jan 02, 2014 5:05 pm

Excellent! Thanks!
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Re: Capture One OpenCl and Iris Pro 5200

Postby Paul_Steunebrink » Thu Jan 02, 2014 5:11 pm

On a side note, and probably not applicable to the OP (I hope he will excuse me) I would prefer the rMBP model with built-in Nvidia GPU, apart from and in addition to the Iris Pro 5200, where CO7 is concerned and OpenCL acceleration is key.
That said I must admit I did not perform comparing tests, just a personal preference on the fastest GPU. And of course if your budget allows the extra expense.
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Re: Capture One OpenCl and Iris Pro 5200

Postby Marbla » Thu Jan 02, 2014 5:45 pm

Paul_Steunebrink wrote:On a side note, and probably not applicable to the OP (I hope he will excuse me) I would prefer the rMBP model with built-in Nvidia GPU, apart from and in addition to the Iris Pro 5200, where CO7 is concerned and OpenCL acceleration is key.
That said I must admit I did not perform comparing tests, just a personal preference on the fastest GPU. And of course if your budget allows the extra expense.


Probably true. I think that if you want the max performance that it's probably wiser to choose that option since you can use both GPUs as an option. I went with the Iris Pro because OpenCL performance seems to be rather good (I hope a link out is okay otherwise I'll be happy to remove it http://anandtech.com/show/6993/intel-ir ... -tested/17). Since I don't game anymore with my laptop the added gpu did not seem to add enough value while increasing the chance of heat/noise/driver/hardware issues.

A benchmark comparison would be very interesting. As far as I can tell at least in terms of export the OpenCl setting does not make any difference. The log files indicate that it was activated:

2014-01-02 17:26:08> Logging is now active.
2014-01-02 17:26:10> OpenCL initialization...
2014-01-02 17:26:10> OpenCL : found platform Apple, OpenCL Version : OpenCL 1.2 (Oct 1 2013 18:21:51)
2014-01-02 17:26:10> OpenCL Device : Iris Pro
2014-01-02 17:26:10> OpenCL Driver Version : 1.2(Nov 14 2013 19:03:14)
2014-01-02 17:26:10> OpenCL Compute Units : 280
2014-01-02 17:26:10> OpenCL : Loading kernels
2014-01-02 17:26:10> OpenCL : Benchmarking
2014-01-02 17:26:10> OpenCL : Initialization completed
2014-01-02 17:26:10> OpenCL benchMark : 0.833680

Image editing within the app is definitely excellent though the rMBP is extremely fast as it is (2,3gHz version, 16Gb ram). Rendering previews might actually be slightly faster with OpenCL off, but I could be wrong.

Anyone who has the model with a dGPU and would care to test the export speed with OpenCL (dGPU and Iris Pro) vs. OpenCL off? Might be helpful for others in choosing between the models if they intend to do image editing.
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Re: Capture One OpenCl and Iris Pro 5200

Postby rapdigital » Sun Jan 05, 2014 6:20 am

WOW my log says
2014-01-05 16:10:36> Logging is now active.
2014-01-05 16:10:36> OpenCL initialization...
2014-01-05 16:10:36> OpenCL : found platform Apple, OpenCL Version : OpenCL 1.2 (Apr 25 2013 18:32:06)
2014-01-05 16:10:36> OpenCL Device : GeForce GT 650M
2014-01-05 16:10:36> OpenCL Driver Version : 8.16.74 310.40.00.10f02
2014-01-05 16:10:36> OpenCL Compute Units : 2
2014-01-05 16:10:36> OpenCL : skip compile kernels
2014-01-05 16:10:36> Shutting down
2014-01-05 16:10:36> OpenCL allocations : 1048576 bytes


Compute Units : 2 ???

this is a 2.7 mid 2012 retina
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Re: Capture One OpenCl and Iris Pro 5200

Postby Christian Gruner » Sun Jan 05, 2014 10:47 am

ATI and Nvidia have very different approaches to visible compute-units. Basically you shouldn't look at that value, but the benchmark value instead.
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Re: Capture One OpenCl and Iris Pro 5200

Postby rapdigital » Sun Jan 05, 2014 11:09 am

can you explain the numbers more
In the CaptureOneICP log i scored
2014-01-05 16:10:39> OpenCL benchMark : 1.259200
??
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Re: Capture One OpenCl and Iris Pro 5200

Postby Christian Gruner » Sun Jan 05, 2014 1:03 pm

rapdigital wrote:can you explain the numbers more
In the CaptureOneICP log i scored
2014-01-05 16:10:39> OpenCL benchMark : 1.259200
??


CO runs a small calculation, and this number is the result. The lower the number, the quicker the gfx-adapter.
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Re: Capture One OpenCl and Iris Pro 5200

Postby rapdigital » Sun Jan 05, 2014 1:11 pm

Awesome thanks

I'll check out what the gtx780 gives me
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Re: Capture One OpenCl and Iris Pro 5200

Postby Marbla » Sun Jan 05, 2014 4:55 pm

That's interesting. From the other scores above I had assumed that Iris Pro might do better than the dGPU for OpenCL and that seems to be the case. I just wonder if and how the benchmark translates into real world results.
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Re: Capture One OpenCl and Iris Pro 5200

Postby Christian Gruner » Sun Jan 05, 2014 5:22 pm

Marbla wrote:That's interesting. From the other scores above I had assumed that Iris Pro might do better than the dGPU for OpenCL and that seems to be the case. I just wonder if and how the benchmark translates into real world results.


It gives a fair, approximate representation of real-life performance in CO.

In general for CO7, buy a fast gamer-card. That's where you'll the most bang for buck. The Auto-cad specific cards (like Nvidia quadro and others) will, at best, give you the same performance, but a much much higher price.

When comparing cards to each other via external benchmark, it's important to use the OpenCL benchmark. Example of one such here: https://compubench.com/result.jsp?test=CLB40100
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Re: Capture One OpenCl and Iris Pro 5200

Postby Marbla » Sun Jan 05, 2014 5:39 pm

That score also seems to fit to your benchmark and the others I have seen so far. At least in terms of C1 performance it seems the dGPU in the MacBook pro 15 does not offer a significant performance advantage. That's what I was getting at.

Obviously it does make a strong statement toward desktop systems with a strong gpu. Wonder how the new mac pro does.
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