الثلاثاء، 31 يناير 2023

NEWS TECHNOLOGIE

Even though Cyberpunk 2077 launched more than two years ago, it’s still able to bring everything but the beefiest gaming rigs to their knees with ray tracing enabled. Now help is on the way for Nvidia 40-series GPU owners in the form of DLSS 3 and frame generation. Although Nvidia first touted this technology at the RTX 4090’s launch in September, it’s only now rolling out. Nvidia will soon add an even more punishing ray tracing mode to Cyberpunk called RT Overdrive.

CD Projekt RED announced the update via tweet; it’s available as a 6GB patch for people who own the game. DLSS 3 is only available for people who own an RTX 4090, 4080, or 4070 Ti. It adds support for DLSS 3 to Cyberpunk 2077, including both Super Resolution (default) and Frame Generation modes. In addition, it adds Nvidia Reflex to combat the latency introduced by frame generation. Nvidia promises substantial performance gains with DLSS 3 in Cyberpunk if you have a 40-series GPU. At 4K with maxed-out settings, you should be able to hit 138fps with an RTX 4090. Those with an RTX 4080 will be sitting pretty at 102fps. If you have an RTX 4070 Ti, you’ll have to play at 1440p. However, you should be able to achieve 136fps, according to Nvidia via PCGamer.

RT Overdrive mode (above) is an enhanced version of ray tracing that will likely only be possible to run with frame generation. It includes many advancements over the current ray tracing implementation to make lighting more realistic. According to Nvidia, RT Overdrive supports RTX Direct Illumination (RTDI), which adds millions of light sources to a scene. RT Overdrive will also allow light rays to bounce multiple times instead of just once, as in their current form. This will apply to global illumination, reflections, and self-reflections. In addition, it will render ray-traced reflections at full resolution for even more clarity.

Nvidia’s DLSS 3 promises massive performance gains in supported titles. (Image: Nvidia)

Other new features include Shader Execution Reordering, which efficiently parallelizes threads tracing rays without losing image quality. New opacity microamps boost performance by encoding the opacity of objects onto geometry. This frees the GPU from having to evaluate the opacity when it’s calculating ray traversal. Finally, it also adds a real-time denoiser program that reduces noise in the final image without impacting performance.

The arrival of DLSS 3 is good news for folks who dropped a chunk of change on a new GPU and have been waiting to see how it does in Cyberpunk with DLSS 3. This game is essentially the new Crysis, as it’s the only title that can really stress a GPU. It’s also funny as the game is more than two years old at this point, which shows how punishing it was for older GPUs at launch. Though it certainly had a rocky start, to put it lightly, CD Projekt RED has been whittling away at it ever since. The company even apologized for the buggy launch and has been dropping huge updates ever since.

For now, DLSS 3 is only available on RTX 40-series GPUs. The company states it’s theoretically possible to enable it on older GPUs such as Ampere or Turing, but it would not run well. However, that didn’t stop a Redditor from enabling it on their RTX 2070 GPU recently. For now, it’ll remain as a 40-series exclusive unless you’re the type who likes to tweak config files. Even then, it’s probably not going to run very well. The good news for gamers is that RTX 4080 and 4070 Ti GPUs are readily available. RTX 4090s are out there too, but you’ll have to pay a premium for them.

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from ExtremeTechExtremeTech https://ift.tt/uYJhFEb

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