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Instant Neural Graphics Primitives (Presented by NVIDIA)

Thomas Müller  (NVIDIA)

Location: Virtual GDC Platform

Date: Thursday, March 24

Time: 12:45 pm - 1:15 pm

Pass Type: All Access Pass, Core Pass, Summits Pass, Expo Plus Pass, Audio Pass, Independent Games Summit Pass, All Access Online Only Pass - Get your pass now!

Topic: Programming

Format: Sponsored Session

Viewing Experience: Virtual

Vault Recording: Video

Audience Level: Yes


Neural representations of computer graphics primitives, such as light fields, volumetrics (NeRF), signed distance functions (SDFs), and the like, have dramatically risen in popularity in recent years. However, despite advances in fast rendering of such primitives, their efficient training remains an elusive goal, taking typically on the order of hours. We'll show how such neural graphics primitives can be trained in seconds rather than hours, as well as rendered at faster-than-real-time rates (>60fps >1080p) without any post-processing of the trained model. We'll focus on three key ingredients, which combined can deliver a more than 1,000x speedup (in some cases) compared with prior work.


The session teaches two ingredients: (i) a multiresolution hash encoding and (ii) fully fused neural networks, which, when combined, allow training neural graphics primitives such as radiance caches, NeRFs, and SDFs within seconds and rendering them faster than real-time rates (milliseconds).

Intended Audience

Programmers interested in applying neural networks to real-time graphics and aren't afraid of low-level implementation details such as those of training and running neural networks.