Unverified50% confidenceFactExact time

PPMem can represent a complete scene with about 100,000 primitives in only about 5 MB, three orders of magnitude more compact than per-pixel point clouds.

1

Sources

50%

Confidence

Long-term

Relevance

10/19/2026

First Seen

Sources

PPMem: Building Persistent 3D Memory for Video World Models with Plane Primitives

Related Entities

PPMemmodel 平面基元concept

Related Claims

UnverifiedFlash 1017 can handle million-level context on a single A100-40GB GPU.65% similar UnverifiedStable Diffusion XL's model weights alone occupy approximately 6.5 GB of VRAM, and generating a single 1024×1024 image typically requires more than 10 GB of GPU VRAM.65% similar

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