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Add a note that we mitigate non-zero SNR in DDIM.
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@ -33,7 +33,8 @@ class TimestepSpacing(str, Enum):
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Attributes:
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LINSPACE: Sample N steps with linear interpolation, return a floating-point tensor.
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LINSPACE_ROUNDED: Same as LINSPACE but return an integer tensor with rounded timesteps.
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LEADING: Sample N+1 steps, do not include the last timestep (i.e. bad - non-zero SNR). Used in DDIM.
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LEADING: Sample N+1 steps, do not include the last timestep (i.e. bad - non-zero SNR).
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Used in DDIM, with a mitigation for that issue.
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TRAILING: Sample N+1 steps, do not include the first timestep.
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CUSTOM: Use custom timespacing in solver (override `_generate_timesteps`, see DPM).
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"""
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