GPU lesson

GGRussell

Senior Contributor Joined: Jan 08, 2012 11:38 Messages: 709 Offline

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Aug 18, 2015 11:22

My desktop has ATI vdieo card and laptop has nVidia. I noticed when I run GPU-Z that the nVidia has an extra entry under sersors - Video engine load.

What is the difference between GPU load and Video Engine load?
Why doesn't the ATI chipset have Video Engine load? Intel i7 4770k, 16GB, GTX1060 3GB, Two 240GB SSD, 4TB HD, Sony HDR-TD20V 3D camcorder, Sony SLT-A65VK for still images, Windows 10 Pro, 64bit
Gary Russell -- TN USA

SoNic67

Senior Contributor Joined: Sep 27, 2014 14:14 Messages: 1308 Offline

Aug 18, 2015 18:44

Delete.

This message was edited 1 time. Last update was at Aug 18. 2015 18:48

SoNic67

Senior Contributor Joined: Sep 27, 2014 14:14 Messages: 1308 Offline

Aug 18, 2015 18:45

Because it doesn't have one? You didn't say what's the name of those video cards, it is kind of important.
ATI introduced it with 7900 series:
https://en.wikipedia.org/wiki/Video_Coding_Engine

GGRussell

Senior Contributor Joined: Jan 08, 2012 11:38 Messages: 709 Offline

Aug 18, 2015 21:41

HD7870 thanks for that link. Never use Wikipedia.

Still not sure about the difference of GPU load vs. Video Engine load for nVidia. On my laptop rendering H264 MP4, Video Engine load would be 40-45%, but GPU would only be abt 2-4%. Just seems odd.

But I did notice that the GPU speed was maxed out so would seem that PD13 does take advantage of the GTX965M. Intel i7 4770k, 16GB, GTX1060 3GB, Two 240GB SSD, 4TB HD, Sony HDR-TD20V 3D camcorder, Sony SLT-A65VK for still images, Windows 10 Pro, 64bit
Gary Russell -- TN USA

SoNic67

Senior Contributor Joined: Sep 27, 2014 14:14 Messages: 1308 Offline

Aug 19, 2015 18:57

The video engine is a separate hardware inside the newer video chips (GPU) that does only video encoding. So the rest of GPU (cores) is not used anymore (or too much) during encoding with that hardware.

This message was edited 1 time. Last update was at Aug 19. 2015 18:58

GGRussell

Senior Contributor Joined: Jan 08, 2012 11:38 Messages: 709 Offline

Aug 19, 2015 20:44

Thanks -- I read some of that Wikipedia article.

---

Rendered a 2 hour TV Show from 1080i .ts to 720P MP4. Took only 10min and GTX965M video engine was at 98% most of the time.

This message was edited 1 time. Last update was at Aug 20. 2015 14:57

Intel i7 4770k, 16GB, GTX1060 3GB, Two 240GB SSD, 4TB HD, Sony HDR-TD20V 3D camcorder, Sony SLT-A65VK for still images, Windows 10 Pro, 64bit
Gary Russell -- TN USA

xr650lou

Newbie Joined: Jul 22, 2012 17:57 Messages: 34 Offline

Aug 20, 2015 20:07

How do you know how much GPU is being used?...I just bought a new laptop with a GTX960M and 4 gig of memory.

Myk

Senior Member Location: The Hartland of Michigan Joined: Feb 05, 2015 16:09 Messages: 205 Offline

Aug 20, 2015 20:11

Quote: How do you know how much GPU is being used?...I just bought a new laptop with a GTX960M and 4 gig of memory.

I use this from EVGA.

http://www.evga.com/precision/ .
.
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GGRussell

Senior Contributor Joined: Jan 08, 2012 11:38 Messages: 709 Offline

Aug 20, 2015 22:19

Quote: How do you know how much GPU is being used?...I just bought a new laptop with a GTX960M and 4 gig of memory.

Google TechPowerUp GPU-Z -- it's free and works with any GPU. Intel i7 4770k, 16GB, GTX1060 3GB, Two 240GB SSD, 4TB HD, Sony HDR-TD20V 3D camcorder, Sony SLT-A65VK for still images, Windows 10 Pro, 64bit
Gary Russell -- TN USA

SoNic67

Senior Contributor Joined: Sep 27, 2014 14:14 Messages: 1308 Offline

Aug 21, 2015 18:42

GPU-Z is a good tool...