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Practical Tips for Optimizing Ray Tracing

Nvidia

To achieve high efficiency with ray tracing, you must build a pipeline that scales well at every stage. To achieve high efficiency with ray tracing, you must build a pipeline that scales well at every stage. For ray tracing, visibility can be estimated directly based on the number of rays hitting each object.

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Ray Tracing Updates Available through NVIDIA SDKs and the NVIDIA Branch of Unreal Engine

Nvidia

Today, developers can access the latest versions of RTX Global Illumination (RTXGI), RTX Direct Illumination (RTXDI), NVIDIA Real-Time Denoisers (NRD), and OptiX Ray Tracing Engine (OptiX). We’ve also done a significant code and API refactor and expanded RTXGI’s footprint with added support to Linux, Vulkan, and Arm platforms.

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Accelerating Ultra-Realistic Game Development with NVIDIA DLSS 3 and NVIDIA RTX Path Tracing

Nvidia

Featuring third-generation Ray Tracing Cores and fourth-generation Tensor Cores, they accelerate games that take advantage of the latest neural graphics and ray tracing technology. Path tracing takes a physics-based approach to how light moves around a scene.

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NVIDIA Research: Learning and Rendering Dynamic Global Illumination with One Tiny Neural Network in Real-Time

Nvidia

Solving this problem through brute force requires hundreds, sometimes thousands of paths per pixel, but this is far too expensive for real-time rendering. Before NVIDIA RTX introduced real-time ray tracing to games, global illumination in games was largely static. Direct illumination alone (left) lacks indirect reflections.

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Unlocking GPU Intrinsics in HLSL

Nvidia

For example, a shader can use warp shuffle instructions to exchange data between threads in a warp without going through shared memory, which is especially valuable in pixel shaders where there is no shared memory. However, those applications require a significant amount of shader and host code to work. x, u1 mov r3.yz, x, l(76), r3.xyzx

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Best Practices for Using NVIDIA RTX Ray Tracing (Updated)

Nvidia

[stextbox id="info"]This post is an update of Best Practices: Using NVIDIA RTX Ray Tracing.[/stextbox] This post is an update of Best Practices: Using NVIDIA RTX Ray Tracing. This post gathers best practices based on our experiences so far using NVIDIA RTX ray tracing in games.