First - original workflow https://civarchive.com/models/1829052/wan-22-for-loop-video-with-scenario (All credits to thesharque588) I only made little (since version 1.5 it's not so small anymore=) ) upgrade.

Second - how this work https://civarchive.com/articles/19108

Third - I'm not an expert. I'm a noob. Most of the time, I don't even know what I'm doing. It works for me, but that doesn't mean I can help you. Sorry.

What I did:

• Color correction deleted. Sorry, but this is crap

• Add 2 Clean VRam

• Add 3 UnloadModel

• Added node "Force/set Clip Device" (1.5 update)

• Added Sage Attention (2.0 update)

• Added more nodes for Loras. 4 Loras nodes for each clip (2.5 update)

• Replace node WanImageToVideo with PainterI2V(2.7 update)

The result was: stable work on the RTX 3060 +32gb ram with a length of 65 and above. Before, everything froze and didn't work.

Explanation for 1.5 update:

• Don't use it if you have an older CPU without AVX2 instructions! (click on node "Force/set Clip Device" and press Ctrl+B to disable)

If you have a super-powerful CPU, you can turn it on and never turn it off. But if you have a super computer, you probably don't need this workflow =)

Explanation for 2.0 update:

• I added Sage to this workflow. This is completely optional (Ctrl+B to disable), but I recommend figuring out how to set it up. It's a huge speed boost!

• Note in patch 1.5 after dozens of tests. "Force/set Clip Device" - With this node, generation time will increase slightly, but your PC will feel much better. I recommend leaving this node running to preserve your PC's health =) If you're willing to do anything to improve generation speed, then turn it off.

Explanation for 2.5 update:

• Added more nodes for Loras. Now you can enable up to 4 Loras nodes for each clip (2 main and 2 additional). All of this is optional.

Explanation for 2.7 update:

• Replace node WanImageToVideo with PainterI2V (https://github.com/princepainter/ComfyUI-PainterI2V).

• Small changes + help update.

Easy install additional nodes for ComfyUI Portable:

ComfyUI Manager - https://www.comfyonline.app/comfyui-nodes/ComfyUI-Manager

How install Triton + Sage Attention (I used this guide and it work!):

Good Luck Everyone! Share the results of your generations!