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Hi all, I has a new AMD AM2 X2 4,200 BOX and the demo version of kray is more faster than my old xp600 but I has a problem, kray don't make a good render and in parts of the render makes bad zones. Which is the problem ?

Bad zones?

Without a picture I can't say. It could be anything....

Here is the an image.

My render have 30% prerender, pixel order progressive and undersample 32. As you can see in the image any undersamples zones and bad zones. I don't know what is that because with my old computer worked good with kray.

The second test was made without undersamples and the bad zones doesn't see.

I don't know what you mean by "bad zones". I only see splotches in those renders.

This test isn't good, if you the two images have the same config, and If you compare the two images, are differents. When I can, I make a light test to show you the problem, but the problem is real.

You will never get completely the same image with Irradiance caching. This is because Photons will never be shot the same. There is always some randomness in it...

Jure, I think same as you, last tests were bad. Here is one little better.