Inside DLSS 3.5 and Cyberpunk 2077 Phantom Liberty: discussing the future of PC graphics
UPDATE: Digital Foundry has just completed its review of Cyberpunk 2077 2.0 on PC, with a strong focus on the new ray tracing innovations added to the game in the form of DLSS 3.5 ray reconstruction. This new technology aims to drastically improve denoising. With current forms of RT, rays are traced — but they are limited in number compared to reality, producing a 'noisy' image that requires processing to increase coherency. Different effects may require different denoisers and all of them are tuned by human input. Ray reconstruction aims to take that task out of the hands of the developers, relying on machine learning to do a better and faster job.
The end result is a cleaner image with more detail, less ghosting and faster response when lighting conditions drastically change. Alex Battaglia calls it «a wastershed moment for real-time ray tracing» while at the same time acknowledging that it's an emergent technology that still needs finessing — similar to DLSS 2.0 when it launch a few years back. Posterisation effects, oversharpening and some smearing artefacts are eerily reminiscent of the weaknesses we saw with DLSS 2.0 and particularly in low-light scenarios, they can surface here. If the fidelity of the tech follows the same course as DLSS 2.0, we would expect these artefacts to improve and eventually resolve in due course.
We hope you enjoy the video and find it to be a useful addition to the DLSS 3.5 roundtable we published earlier in the week. The embargo for publishing video review content for Phantom Liberty lifts next week, and we'll be reporting back on that, looking more closely at the console releases.
Original Story: How's this for a crossover episode? Alex Battaglia recently hosted a roundtable discussion
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