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Author Topic: Very bad ROHQ performance of Ivy Bridge with HD4000. ! FINAL CONCLUSION !  (Read 4026 times)

Nickolay V

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Very high processor loading  in JRiver (ROHQ) . Identical bad result on  Acer S3-391( Core i5 3317U 1700 Mhz &  HD4000)  and  HP all-in-one TouchSmart Elite 7320 ( intel G850 2900 & GMA HD)
Although JrMark =2150 /Math score=1367/Image score=2632/Database score =2450
Real  J River playback performance worse than even with  AMD Fusion E-450.
See Pics.
What a strange  result ?  What а problem ?
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My 5.1 system:  Mac mini with Win10 Ent.+ MC with Audiolense Convolver + RME Fireface UC in ASIO 5.1 analog outputs mode + five Ch Hypex NCORE amp (NAD) + BMR Vertical Line Arrays + two M1D-Sub Meyer Sound Sub + LG 4K TV

Hendrik

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #1 on: November 23, 2012, 01:13:00 pm »

You may need to adjust the madVR settings for fluid playback on Intels integrated GPU. ROHQs default settings are too much for such systems in some conditions.

Try using the Mitchell-Netravali option for Chroma and Image scaling.
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Nickolay V

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #2 on: November 23, 2012, 01:18:52 pm »

Tested with two MadVR setup variants :
setup with default ROHQ and with  described  at    http://www.anandtech.com/gallery/album/1943#1
Results identical . Non adequate processor loading  

Sandy bridge Asrock Vision 3D 137B  -have  much  better and adequate performance (with big processor power reserve)
I mean that with new generation Intel processors (that are in described Acer and HP)  result will  be  bether than even  in this iMAC   http://applestorm.ru/product/imac_27_mc814rs/
I tested it early with superior result.

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My 5.1 system:  Mac mini with Win10 Ent.+ MC with Audiolense Convolver + RME Fireface UC in ASIO 5.1 analog outputs mode + five Ch Hypex NCORE amp (NAD) + BMR Vertical Line Arrays + two M1D-Sub Meyer Sound Sub + LG 4K TV

NickF

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #3 on: November 23, 2012, 04:14:21 pm »

I'm also struggling with ROHQ on these Ivy Bridge processors with HD4000, especially on HD TV.  See my thread here:

http://yabb.jriver.com/interact/index.php?topic=75828.0

These systems have been really hyped up.  Very disappointing.  I wish I had stuck with NVIDIA.

Nick.

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hulkss

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #4 on: November 23, 2012, 04:37:09 pm »

No problems here with ROHQ and HD4000. Using Ivy Bridge i5-3570K.
Playing 1080p encoded as H.264/MPEG-4 AVC.
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NickF

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #5 on: November 23, 2012, 05:05:48 pm »

No problems here with ROHQ and HD4000. Using Ivy Bridge i5-3570K.
Playing 1080p encoded as H.264/MPEG-4 AVC.

I have the same processor.  My problems seem to be specifically related to HD TV.  The madVR OSD shows high levels of dropped frames with any of the custom pixel shader options.  What is it about this type of media that is so challenging?

Nick.
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gvanbrunt

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #6 on: November 23, 2012, 06:12:19 pm »

Very high processor loading  in JRiver (ROHQ) . Identical bad result on  Acer S3-391( Core i5 3317U 1700 Mhz &  HD4000)  and  HP all-in-one TouchSmart Elite 7320 ( intel G850 2900 & GMA HD)
Although JrMark =2150 /Math score=1367/Image score=2632/Database score =2450
Real  J River playback performance worse than even with  AMD Fusion E-450.
See Pics.
What a strange  result ?  What а problem ?

The problem may be the movie John Carter. I watched that and my mind had problems processing it. I guess the computer feels the same way.

That is 90 mins I really wish I could get back...

On the serious side, is there any scaling going on? Lots of tv is not 1080p. I think the scaling happens on the processor and not the video card?
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NickF

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #7 on: November 23, 2012, 06:44:04 pm »

On the serious side, is there any scaling going on? Lots of tv is not 1080p. I think the scaling happens on the processor and not the video card?

For my HD TV, yes.  The OSD says Movie resolution 1844 x 1036 so this is upscaled to 1920 x 1080.  Why should this be more demanding than upscaling SD from 692 x 552?

Nick.
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gvanbrunt

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #8 on: November 23, 2012, 07:27:14 pm »

For my HD TV, yes.  The OSD says Movie resolution 1844 x 1036 so this is upscaled to 1920 x 1080.  Why should this be more demanding than upscaling SD from 692 x 552?

Nick?

I'm not actually sure. Just something about this rang a bell. Can't remember the exact details. Might be a good idea to experiment with scaling of various material.
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jmone

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #9 on: November 23, 2012, 08:05:25 pm »

You may need to adjust the madVR settings for fluid playback on Intels integrated GPU. ROHQs default settings are too much for such systems in some conditions.

Try using the Mitchell-Netravali option for Chroma and Image scaling.

As nevcairiel said, you need to pick less demanding scaling algorithms (and no anti ringing algorithm) on these GPUs - I used Mitchell-Netravali for months on my 3000 just fine with all content and only when back to a discrete GPU so I could play with Jinc 3 + AR. 
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Hendrik

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #10 on: November 24, 2012, 01:05:07 am »

Why should this be more demanding than upscaling SD from 692 x 552?

Actually, it is more demanding. The more input pixels you have to process, the more power you need, because thats the real bottle neck in many cases.
Scaling 1844 x 1036 to 1920 x 1080 will use significantly more performance then scaling some SD resolution to 1920 x 1080.

PS:
Thats some odd resolution in any case!
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NickF

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #11 on: November 24, 2012, 03:01:57 am »

Actually, it is more demanding. The more input pixels you have to process, the more power you need, because thats the real bottle neck in many cases.
Scaling 1844 x 1036 to 1920 x 1080 will use significantly more performance then scaling some SD resolution to 1920 x 1080.
Thanks for the explanation.  That makes sense!

Quote
Thats some odd resolution in any case!

Yes, I thought so too.  These are UK Freeview channels and i know that they aren't transmitted as full HD to keep down the bandwidth to enable more channels to be broadcast but these numbers are strange.  They are what are being reported in the madVR OSD.  It also reports them as Movie.  How does it determine that and is this data correct?

Nick.
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Sandy B Ridge

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #12 on: November 24, 2012, 05:41:32 am »

These are UK Freeview channels and i know that they aren't transmitted as full HD to keep down the bandwidth to enable more channels to be broadcast but these numbers are strange.  They are what are being reported in the madVR OSD.  It also reports them as Movie.  How does it determine that and is this data correct?
I wonder. Have you got the crop option selected in TV options. I can't remember exactly what it's called, but the figures work out about a 4% crop. Usually they squash the image into 1440x1080 or somesuch to save bandwidth, not a 4% allround crop.

Dunno.

SBR
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Nickolay V

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #13 on: November 24, 2012, 08:33:31 am »

We have tested 1080p mode on  Asrock Vision 3D and a couple of iMacs (Sandy i5 and i7  with Win7 ).ROHQ was on during all the tests and "Automatic Display Setting Changing" was enabled + 6-channel software DTS-HD MA audio decoding through RME FF usb2 audio card. All Macs and Asrock passed the tests without any problems; they weren't even 25-40% loaded even without HWA. Whereas  Ivy +HD 4000 combination described earlier didn’t do so well, and even without RME ,CPU usage on Ivy was about 50-85%.      !!! We used the same movies in all tests
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NickF

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000.
« Reply #14 on: November 24, 2012, 09:21:55 am »

I wonder. Have you got the crop option selected in TV options. I can't remember exactly what it's called, but the figures work out about a 4% crop. Usually they squash the image into 1440x1080 or somesuch to save bandwidth, not a 4% allround crop.

Dunno.

SBR
Thanks SBR.  You were right.  I don't know how it happened but now it is behaving well, even on Lanczos for scaling.  I should have realised the resolution was odd.

I apologise for taking over Nickolay's thread.  I originally thought we had a similar problem.

Incidentally, my CPU loading on HD TV is about 20%.

Nick.
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Nickolay V

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Re: Very bad ROHQ performance of Ivy Bridge with HD4000. ! FINAL CONCLUSION !
« Reply #15 on: January 18, 2013, 04:19:31 pm »

ROHQ playback need not only processor power , but also GPU power for some GPU specific madVR operations (! scaling).  Intell HD4000 power is not enough.  GPU-Z software indicate  90-95% GPU loading instead  max acceptable 80% , that need for normal problemless playback .
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My 5.1 system:  Mac mini with Win10 Ent.+ MC with Audiolense Convolver + RME Fireface UC in ASIO 5.1 analog outputs mode + five Ch Hypex NCORE amp (NAD) + BMR Vertical Line Arrays + two M1D-Sub Meyer Sound Sub + LG 4K TV
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