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Nvidia patents method to predict ray tracing workload early

Nvidia describes a processor technique that estimates the computational load of ray tracing before the full simulation runs. It does this by analyzing a small subset of initial rays to predict how many secondary rays will need to be calculated.

Why it mattersThis could help graphics chips manage power and performance more efficiently by knowing in advance how heavy a scene is to render.

In the filing’s own words

Apparatuses, systems, and techniques to perform ray tracing. In at least one embodiment, ray tracing workload is estimated prior to ray tracing simulation based on, for example, less than all data associated with rays to be traced.

What exactly they claim (claim 1)

1. A processor, comprising: one or more circuits to predict, prior to completion of a ray tracing operation identified by a user, a ray tracing workload corresponding to the ray tracing operation based, at least in part, on data from tracing one or more partial primary rays including an amount of data to compute one or more numbers of one or more types of secondary rays.

Facts

Company
Nvidia (NVIDIA Corporation)
Official title
Identifying storage for ray tracing
Patent number
US12737962B2
Application number
18629494
Filed
Apr 8, 2024
Granted
Sep 15, 2026
Inventors
2
Claims
20

Classified under

G06T 15/06 Physics & computing
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.