For now final render SSAA and the light groups improvements changes are for 2.93 only yes to prepare for the 2.93 final. It will be ported to 3.00 when finished.
@mib2berlin found one scene where CyclesX is 10% faster than E-Cycles out of the box. Thanks a lot! So it looks like in some rare cases, it could be useful to make a build based on it. Everyone finding a scene where E-Cycles is slower is welcome to provide a scene 
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Iâm wondering is Scrambling Distance possible with Cycles-X?
Here comes one:
E-Cycles 20210427: 400spp - 9:56
Cycles X 20210429: 400spp - 5:30
That makes almost 70% speedup, right?
I think it would be great to have a test build of E-Cycles X.
Especially when working with Archviz interiors with many light bounces, you get a significant huuuge speedup - and the best - progressive rendering and itâs future proof.
E-Cycles 400 Samples Noisy Image 9:56
Cycles X 400 Samples Noisy Image 5:30
E-Cycles Denoised
Cycles X Denoised
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eCycles have more light bounces turned on, look at the color of bounced light. I think if you render th same image on FAST eCycles settings, You will get the same look as xCycles and lower time. Please try
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How SSAA improve renderings? what we get better?
And another thing⊠If you use only 200 samples witn eCycles the result will be the same
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Donât get me wrong: I am the bioggest fan of E-Cycles an I enjoy how good it is. But I think it will be good to jump on the new Cycles Branch asap.
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Hi, I guess he is looking into at moment but CyclesX lacks to much features at moment.
No multi GPU, GPU/CPU, bevel shader, volume and so forth.
Anyway, interessting times ahead.
Cheers, mib
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I would like to See, what it could be when they would join forcesâŠ
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Would be amazing to see this feature in upcoming E-Cycles releases:
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lovely feature! I am always short on VRAM for textures.
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Probably, the question is more if it will bring as much performance. Maybe the answer will come later
Thanks for the test Johannes! But like 2 other scenes I got submitted which where faster in Cycles X and looking at the second output being much darker and with colder indirect light, it looks like it is indeed only due to Cycles X terminating the rays earlier. I still need a scene which renders as fast or faster while keeping the same GI quality. For now, only @mib2berlin (thanks again) could submit a file which was rendering correctly in Cycles X and 10% faster than E-Cycles RTX. More files like that are welcome
Or maybe there is even better
I also love that, but Itâs only for CPU for now. As itâs a pretty big change and Cycles is undergoing a big rewrite, itâs better to work on the GPU version when the new code base stabilizes.
Yeah, I donât expect another 2x speed improvement on top of Cycles-X, but it should become way less noisy with the more coherent rays of Scrambling Distance. So itâs probably faster this way. Canât wait for E-Cycles-X. 
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Made with E-Cycles recently:
Bot
BREITENBACH LANDSCAPE HOTEL
Architecture
Into The Transcendental Light
Architecte dâintĂ©rieur
Blender Nebulas
Photo Real Gold Shader
by Rafik Rezgui
Architecture
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New builds are now available for both E-Cycles 2.93 and E-Cycles 3.0!
- E-Cycles 3.0 now has OIDN 1.4
- All versions have an even better denoising, especially for fine details thanks to SSAA being now available for final render. Hairs and nature benefit a lot from this improvement!
https://twitter.com/MaxPuliero/status/1391758621587894277
- Light groups can now be denoised during render too, so that the compositor changes are much faster
- New option âdenoise all passesâ to denoise all selected passes for which it makes sens
- Even faster rendering of complexe scenes
- a ton of smaller improvements and polishing
Happy rendering!
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