U Ybd @sddlZddlZddlmZddlmZmZmZddl m Z m Z ddZ dd d d d d d d d d d dZ dd d d d d d d d d ddZdS)N)gaussian_diffusion)SpacedDiffusionMineSpacedDiffusionspace_timesteps) SuperResModel UNetModelc Cs|dkrd} n*|dkrd} n|dkr*d} ntd|g} |dD]} | |t| qFtd ||sld nd |t| | | |rtnd|||| d S) N)rrr r @)rr r )rr r r zunsupported image size: ,r ) in_channelsZmodel_channels out_channelsnum_res_blocksattention_resolutionsdropout channel_mult num_classesuse_checkpoint num_headsnum_heads_upsampleuse_scale_shift_norm) ValueErrorsplitappendintrtupleZ NUM_CLASSES) image_size num_channelsr learn_sigmaZ class_condrrrrrrrZ attention_dsresr%6/home/zsyue/code/python/GradDiff/models/script_util.py create_models0   r'iFlinear) stepsr# sigma_smallnoise_scheduleuse_klpredict_xstartrescale_timestepsrescale_learned_sigmastimestep_respacingc Cst||} |rtjj} n|r(tjj} ntjj} |s:|g}tt||| |sRtjj ntjj |sp|shtj j qvtj j ntj j| |dSN)Z use_timestepsbetasZmodel_mean_typeZmodel_var_type loss_typer/)gdget_named_beta_scheduleLossType RESCALED_KL RESCALED_MSEMSErr ModelMeanTypeEPSILONSTART_X ModelVarType FIXED_LARGE FIXED_SMALL LEARNED_RANGE r*r#r+r,r-r.r/r0r1r3r4r%r%r&create_gaussian_diffusion_mine1s,    rCc Cst||} |rtjj} n|r(tjj} ntjj} |s:|g}tt||| |sRtjj ntjj |sp|shtj j qvtj j ntj j| |dSr2)r5r6r7r8r9r:rrr;r<r=r>r?r@rArBr%r%r&create_gaussian_diffusionYs,    rD)argparseinspectr)rr5Zrespacerrrunetrrr'rCrDr%r%r%r&s2 + *