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add lcm-flowmatch sampler and fix hunyuanvideo-i2v

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Signed-off-by: Vladimir Mandic <mandic00@live.com>
This commit is contained in:
Vladimir Mandic
2025-04-16 07:29:41 -04:00
parent 59a8a5cdb0
commit 87defaac61
3 changed files with 32 additions and 27 deletions
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modules/sd_samplers_diffusers.py
+3 -1
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@@ -30,6 +30,7 @@ try:
HeunDiscreteScheduler,
FlowMatchHeunDiscreteScheduler,
LCMScheduler,
FlowMatchLCMScheduler,
PNDMScheduler,
IPNDMScheduler,
DDPMScheduler,
@@ -103,12 +104,12 @@ config = {
'Heun': { 'use_beta_sigmas': False, 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'timestep_spacing': 'linspace' },
'Heun FlowMatch': { 'timestep_spacing': "linspace", 'shift': 1 },
'LCM FlowMatch': { 'beta_start': 0.00085, 'beta_end': 0.012, 'beta_schedule': "scaled_linear", 'set_alpha_to_one': True, 'rescale_betas_zero_snr': False, 'thresholding': False, 'timestep_spacing': 'linspace' },
'DEIS': { 'solver_order': 2, 'thresholding': False, 'sample_max_value': 1.0, 'algorithm_type': "deis", 'solver_type': "logrho", 'lower_order_final': True, 'timestep_spacing': 'linspace', 'use_karras_sigmas': False, 'use_exponential_sigmas': False, 'use_flow_sigmas': False, 'use_beta_sigmas': False },
'SA Solver': {'predictor_order': 2, 'corrector_order': 2, 'thresholding': False, 'lower_order_final': True, 'use_karras_sigmas': False, 'use_flow_sigmas': False, 'use_exponential_sigmas': False, 'use_beta_sigmas': False, 'timestep_spacing': 'linspace'},
'DC Solver': { 'beta_start': 0.0001, 'beta_end': 0.02, 'solver_order': 2, 'prediction_type': "epsilon", 'thresholding': False, 'solver_type': 'bh2', 'lower_order_final': True, 'dc_order': 2, 'disable_corrector': [0] },
'VDM Solver': { 'clip_sample_range': 2.0, },
'LCM': { 'beta_start': 0.00085, 'beta_end': 0.012, 'beta_schedule': "scaled_linear", 'set_alpha_to_one': True, 'rescale_betas_zero_snr': False, 'thresholding': False, 'timestep_spacing': 'linspace' },
'TCD': { 'set_alpha_to_one': True, 'rescale_betas_zero_snr': False, 'beta_schedule': 'scaled_linear' },
'TDD': { },
'PeRFlow': { 'prediction_type': 'ddim_eps' },
@@ -179,6 +180,7 @@ samplers_data_diffusers = [
SamplerData('CMSI', lambda model: DiffusionSampler('CMSI', CMStochasticIterativeScheduler, model), [], {}),
SamplerData('LCM', lambda model: DiffusionSampler('LCM', LCMScheduler, model), [], {}),
SamplerData('LCM FlowMatch', lambda model: DiffusionSampler('LCM FlowMatch', FlowMatchLCMScheduler, model), [], {}),
SamplerData('TCD', lambda model: DiffusionSampler('TCD', TCDScheduler, model), [], {}),
SamplerData('TDD', lambda model: DiffusionSampler('TDD', TDDScheduler, model), [], {}),
SamplerData('PeRFlow', lambda model: DiffusionSampler('PeRFlow', PeRFlowScheduler, model), [], {}),