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My Global Illumination tests

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  15:14:45  6 February 2012
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ket
Senior Resident
 

 
On forum: 01/13/2006
Messages: 1432
I might do, my focus right now is largely finishing the TK mod rather than picking bits of it apart.
  21:29:46  6 February 2012
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ket
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On forum: 01/13/2006
 

Message edited by:
ket
02/06/2012 21:38:18
Messages: 1432
Alright, here we go. After many hours of tweaking, testing, and fine-tuning here is what I would consider the final results for optimal GI implementation. Do note these screenshots I have exaggerated GI slightly in order to highlight levels of accuracy between 70 - 128 Photons. (Look at the lamp in the background) As such you should ignore the FPS counter in the top left as default settings are not as demanding, hence FPS are higher. Eagle-eyed people may notice the FPS counter actually climb as Photon count increases. You should not take this as a sign to immediately use the 128 Photons file and ignore the others. The reason for the higher FPS as more Photons are used is simply because of much painstaking optimising I've managed to get GI to perform better with more Photons with simple scenes, under complex scene conditions higher Photon counts will result in lower FPS.


---QUOTATION---
Minimum Recommended System Config (70 Photons):

Highly clocked Dual or Quad core CPU
Highly OC'd 1GB GTX460

Recommended System Config: (96-128 Photons)

Highly clocked Quad core CPU
Highly OC'd GTX580
---END QUOTATION---



I'm not kidding with those specifications to run this GI implementation properly, so don't whine if you have a crap PC and it runs like crap.

My tests have found by running all of these files on the following system;

i5 2500k @ 4.5GHz
GTX460 @ 900 / 4200
Absolutely no junk processess running (download Regcleaner, click "Startup" tab to check your processes, delete all thats worthless)

I've found the minimum FPS to be as follows:

70 Photons: 16-17FPS (avg. 60FPS+)
96 Photons: 12-13FPS (avg. 60FPS+)
128 Photons: 8FPS (avg. 50FPS+)

With all that said and done, the screenshots;

70 Photons:
http://img.photobucket.com/albums/v187/bizket/GI70.jpg

96 Photons:
http://img.photobucket.com/albums/v187/bizket/GI96.jpg

128 Photons:
http://img.photobucket.com/albums/v187/bizket/GI128.jpg

Lastly, the wonderful thing with the settings I'm using for GI is that as you upgrade your hardware and as hardware further improves theres no need to adjust lots of settings, adjusting one setting in the file is now enough to improve GI further.
  02:42:15  7 February 2012
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ket
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On forum: 01/13/2006
Messages: 1432
Heres a video, http://www.youtube.com/watch?v=XAPu1Wz-hno You'll have to ignore the slight video lag recording videos on my system with fraps always impacts the game. Actual performance is far better.
  22:36:27  10 February 2012
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ket
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On forum: 01/13/2006
Messages: 1432
Second GI test video; http://www.youtube.com/watch?v=p_t1iUh011Y
  01:11:33  11 February 2012
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ket
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On forum: 01/13/2006
Messages: 1432
Forgot to mention, the new video is a all new GI configuration I've been playing with, far less demanding on systems so should be suitable for pretty much all modern systems.
  01:54:44  11 February 2012
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EngineOfDarkness
(Senior)
 
On forum: 10/24/2008
Messages: 67

---QUOTATION---
Second GI test video; http://www.youtube.com/watch?v=p_t1iUh011Y
---END QUOTATION---



Sure looks nice, but right at the beginning you see the problem which always put me off from using it - the white lights seem to penetrate geometry and "flash" overly much.

The orange one's don't seem to do that as much (thought you can notice that at 0:17 a little bit - below the catwalk there's orange light bleeding through on the wall) - wonder what's the difference - I've never modded stalker, but maybe this is something in the light config of the levels (or the config for these lightsources?) - something like lightning or another weird config setting?

There's a lot of other little nuisances which in the end put me off from going to use it when I played around with the gi settings.
  03:08:23  11 February 2012
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Derranged
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On forum: 04/12/2010
Messages: 1009
I wouldn't mind doing a test for you, I am on my new graphics card (Gigabyte 6870 Super OC) and on my mod with enhanced shaders, textures and loners PPX particles running at 90 FPS.

If you want to talk to me on Moddb, Search for Derranged.

Anyway, nice mod. It looks pretty good.
  03:53:11  11 February 2012
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ket
Senior Resident
 

 
On forum: 01/13/2006
Messages: 1432

---QUOTATION---
Second GI test video; http://www.youtube.com/watch?v=p_t1iUh011Y

Sure looks nice, but right at the beginning you see the problem which always put me off from using it - the white lights seem to penetrate geometry and "flash" overly much.

The orange one's don't seem to do that as much (thought you can notice that at 0:17 a little bit - below the catwalk there's orange light bleeding through on the wall) - wonder what's the difference - I've never modded stalker, but maybe this is something in the light config of the levels (or the config for these lightsources?) - something like lightning or another weird config setting?

There's a lot of other little nuisances which in the end put me off from going to use it when I played around with the gi settings.
---END QUOTATION---



That stuff is simply due to the amount of Photons I'm using. Less Photons = less accurate GI. I'm having to fine-tune as I go adding Photons etc to get good performance and accuracy.
  03:58:05  11 February 2012
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ket
Senior Resident
 

 
On forum: 01/13/2006
Messages: 1432

---QUOTATION---
I wouldn't mind doing a test for you, I am on my new graphics card (Gigabyte 6870 Super OC) and on my mod with enhanced shaders, textures and loners PPX particles running at 90 FPS.

If you want to talk to me on Moddb, Search for Derranged.

Anyway, nice mod. It looks pretty good.
---END QUOTATION---



I'll let you know if I need a tester Enabling GI will cleave your FPS in half I can guarantee that Its just a demanding feature.
  04:13:35  11 February 2012
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Derranged
Senior Resident
 

 
On forum: 04/12/2010
 

Message edited by:
Derranged
02/11/2012 4:14:12
Messages: 1009

---QUOTATION---
I wouldn't mind doing a test for you, I am on my new graphics card (Gigabyte 6870 Super OC) and on my mod with enhanced shaders, textures and loners PPX particles running at 90 FPS.

If you want to talk to me on Moddb, Search for Derranged.

Anyway, nice mod. It looks pretty good.

I'll let you know if I need a tester Enabling GI will cleave your FPS in half I can guarantee that Its just a demanding feature.
---END QUOTATION---



We will see about that

I want to see what this graphics card can handle. It runs BF3 on max settings at 60 FPS Average. Well, it just sits at 60 most of the time and only goes down when a huge explosion goes off in your face...
 
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