A Walmart programmer alone created an AI generator of infinite worlds

6/28/2026, 07:00 AMЕвгения Слив

Independent researcher Alexander Goslin, a programmer at Walmart, alone developed an AI system for generating infinite worlds that was accepted at the prestigious SIGGRAPH 2026 conference. Using only one consumer RTX 3090 Ti video card and without any scientific guidance or funding, he created the first independent article on machine learning in conference history.

The work includes two key achievements: InfiniteDiffusion - a new approach to infinite generation using diffusion models, and Terrain Diffusion - the world’s first trained procedural landscape generator. Unlike traditional methods based on Perlin noise or limited diffusion models, the new technology provides deterministic generation with arbitrary access: teleportation operates for O(1), worlds are transmitted by a single Sid, and permanent storage is not required at all.

Terrain Diffusion’s flagship application creates an infinite number of continents, each extending into millions of square kilometers with precision down to miles. On one RTX 3090 Ti, landscape generation is 9 times faster than a satellite and requires only 1.5 GB of video memory. The code is open-source on Python, mods are available for Minecraft, and the SIGGRAPH 2026 conference will take place from July 19 to 23 in Los Angeles.

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