[KongchangAI]
ConceptMemory Offloading / 层卸载

Memory Offloading

A large-model inference optimization technique used when GPU VRAM is insufficient to hold a complete model. Selected model layers are offloaded to system RAM or disk-based virtual memory and loaded back into VRAM on demand during inference, enabling large-parameter models to run with limited GPU memory.

Timeline (last 90 days)

Oct 8

Combining quantization with memory offloading theoretically allows loading models far exceeding capacity in extremely low-VRAM environments, but the data transfer introduces additional latency, and actual inference speed is often only a fraction of that achieved with pure VRAM operation.

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Sep 29

Memory-bound typically refers to insufficient GPU memory capacity, which requires offloading or model parallelism to address.

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