TeaCache Wan2.1-I2V-720P-14B workflow, it can speedup video generation for Wan2.1:

• It can achieve a 2.0x lossless speedup and a 2.3x speedup without much visual quality degradation.

• Slap LoRA can be downloaded  from HuggingFace: https://huggingface.co/PeterRow/slap_wan_2.1_720P_lora/blob/main/slap.safetensors