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Add more dpmsolver++2m samplers to solve SDXL sampling artifacts #1895

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Add more dpmsolver++2m samplers to solve SDXL sampling artifacts #1895

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9c1168a
Add more dpmsolver++2m samplers to solve SDXL sampling artifacts
rockerBOO Jan 23, 2025
ca6b68e
Fix dpmsolver++_2m_lu
rockerBOO Jan 23, 2025
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26 changes: 26 additions & 0 deletions library/train_util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5980,6 +5980,32 @@ def get_my_scheduler(
elif sample_sampler == "dpmsolver" or sample_sampler == "dpmsolver++":
scheduler_cls = DPMSolverMultistepScheduler
sched_init_args["algorithm_type"] = sample_sampler
elif sample_sampler == "dpmsolver++_2m":
scheduler_cls = DPMSolverMultistepScheduler
elif sample_sampler == "dpmsolver++_2m_lu":
scheduler_cls = DPMSolverMultistepScheduler
sched_init_args["use_lu_lambdas"] = True
elif sample_sampler == "dpmsolver++_2m_k":
scheduler_cls = DPMSolverMultistepScheduler
sched_init_args["use_karras_sigmas"] = True
elif sample_sampler == "dpmsolver++_2m_stable":
scheduler_cls = DPMSolverMultistepScheduler
sched_init_args["euler_at_final"] = True
elif sample_sampler == "dpmsolver++_2m_sde":
scheduler_cls = DPMSolverMultistepScheduler
sched_init_args["algorithm_type"] = "sde-dpmsolver++"
elif sample_sampler == "dpmsolver++_2m_sde_k":
scheduler_cls = DPMSolverMultistepScheduler
sched_init_args["algorithm_type"] = "sde-dpmsolver++"
sched_init_args["use_karras_sigmas"] = True
elif sample_sampler == "dpmsolver++_2m_sde_lu":
scheduler_cls = DPMSolverMultistepScheduler
sched_init_args["algorithm_type"] = "sde-dpmsolver++"
sched_init_args["use_lu_lambdas"] = True
elif sample_sampler == "dpmsolver++_2m_sde_stable":
scheduler_cls = DPMSolverMultistepScheduler
sched_init_args["algorithm_type"] = "sde-dpmsolver++"
sched_init_args["euler_at_final"] = True
elif sample_sampler == "dpmsingle":
scheduler_cls = DPMSolverSinglestepScheduler
elif sample_sampler == "heun":
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