FramePack's Low Video Memory Optimization Technology Implementation Principle
FramePack transforms the traditional video generation graphics memory requirement from dynamic growth to fixed consumption through a unique contextual compression algorithm. This is achieved by compressing the input frame sequence into a fixed-length latent variable representation through a neural network, allowing the GPU memory footprint to remain stable at 6GB regardless of whether 1-second or 60-second video is generated.
The significance of this technological breakthrough lies in the following: first, it breaks the dependence of professional video generation on high-end GPUs, and RTX3060-level consumer-grade graphics cards can run smoothly; second, it dramatically lowers the cost threshold of video generation, making long-term video projects for individual creators possible; third, it improves system stability and avoids interruptions caused by video memory exhaustion.
Compared with similar products, FramePack can generate longer video sequences with the same video memory. Test data shows that under a 6GB video memory environment, it is able to generate 60 seconds of 30fps HD video stably, which is a leading indicator among open source video generation tools.
According to the technical document, this breakthrough is mainly due to the special network structure and memory management strategy designed by Lvmin Zhang's team, including time-sharing memory multiplexing mechanism and dynamic quantization technology.
This answer comes from the articleFramePack: 6G low graphics memory fast raw long video open source projectThe
