Hunyuan 2step t2v and upscale版本v1.0 (ID: 1227014)

Workflow for Hunyuan video that can generate a small resolution video first very quickly, then upscales it with Hunyuan v2v when you find one you like. There is a third step for upscaling and video interpolation.

Version 1.5 uses the fast video lora to generate the first video in 7 steps, significantly increasing the speed of the first generation without compromising the second.

Version 1.6 uses a TeaCache sampler to increase generation speed by 1.6 and optionally by 2.1 with worse quality.

Version 1.7 adds Wavespeed, which has increased speed for me by about 15 %. To use it you will need to clone the wavespeed repo in custom nodes. Some wavespeed functionality requires installing triton, but if you only use the "Apply first block cache" node you may not need it.

If you already have a video you simply want to upscale, you can connect the muted load video node to the top left connection in the "Upscale and Interpolation" group and mute the previous 2.

This is just the application of some tips from this article with already available workflows.

This is not intended as tutorial on Hunyuan video, please check out the links above.

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