41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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from dataclasses import dataclass, field
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from fastvideo.configs.sample.base import CacheParams
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@dataclass
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class TeaCacheParams(CacheParams):
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cache_type: str = "teacache"
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teacache_thresh: float = 0.0
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coefficients: list[float] = field(default_factory=list)
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@dataclass
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class WanTeaCacheParams(CacheParams):
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# Unfortunately, TeaCache is very different for Wan than other models
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cache_type: str = "teacache"
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teacache_thresh: float = 0.0
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use_ret_steps: bool = True
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ret_steps_coeffs: list[float] = field(default_factory=list)
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non_ret_steps_coeffs: list[float] = field(default_factory=list)
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@property
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def coefficients(self) -> list[float]:
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if self.use_ret_steps:
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return self.ret_steps_coeffs
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else:
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return self.non_ret_steps_coeffs
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@property
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def ret_steps(self) -> int:
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if self.use_ret_steps:
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return 5 * 2
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else:
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return 1 * 2
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def get_cutoff_steps(self, num_inference_steps: int) -> int:
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if self.use_ret_steps:
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return num_inference_steps * 2
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else:
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return num_inference_steps * 2 - 2 |