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76 lines
2.2 KiB
76 lines
2.2 KiB
2 years ago
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model:
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base_learning_rate: 1.0e-04
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target: ldm.models.diffusion.ddpm.LatentUpscaleDiffusion
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params:
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parameterization: "v"
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low_scale_key: "lr"
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linear_start: 0.0001
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linear_end: 0.02
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num_timesteps_cond: 1
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log_every_t: 200
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timesteps: 1000
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first_stage_key: "jpg"
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cond_stage_key: "txt"
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image_size: 128
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channels: 4
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cond_stage_trainable: false
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conditioning_key: "hybrid-adm"
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monitor: val/loss_simple_ema
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scale_factor: 0.08333
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use_ema: False
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low_scale_config:
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target: ldm.modules.diffusionmodules.upscaling.ImageConcatWithNoiseAugmentation
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params:
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noise_schedule_config: # image space
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linear_start: 0.0001
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linear_end: 0.02
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max_noise_level: 350
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unet_config:
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target: ldm.modules.diffusionmodules.openaimodel.UNetModel
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params:
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use_checkpoint: True
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num_classes: 1000 # timesteps for noise conditioning (here constant, just need one)
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image_size: 128
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in_channels: 7
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out_channels: 4
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model_channels: 256
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attention_resolutions: [ 2,4,8]
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num_res_blocks: 2
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channel_mult: [ 1, 2, 2, 4]
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disable_self_attentions: [True, True, True, False]
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disable_middle_self_attn: False
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num_heads: 8
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use_spatial_transformer: True
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transformer_depth: 1
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context_dim: 1024
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legacy: False
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use_linear_in_transformer: True
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first_stage_config:
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target: ldm.models.autoencoder.AutoencoderKL
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params:
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embed_dim: 4
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ddconfig:
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# attn_type: "vanilla-xformers" this model needs efficient attention to be feasible on HR data, also the decoder seems to break in half precision (UNet is fine though)
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double_z: True
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z_channels: 4
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resolution: 256
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in_channels: 3
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out_ch: 3
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ch: 128
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ch_mult: [ 1,2,4 ] # num_down = len(ch_mult)-1
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num_res_blocks: 2
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attn_resolutions: [ ]
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dropout: 0.0
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lossconfig:
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target: torch.nn.Identity
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cond_stage_config:
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target: ldm.modules.encoders.modules.FrozenOpenCLIPEmbedder
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params:
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freeze: True
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layer: "penultimate"
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