ColossalAI/examples/images/diffusion/configs/train_ddp.yaml

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model:
base_learning_rate: 1.0e-04
target: ldm.models.diffusion.ddpm.LatentDiffusion
params:
linear_start: 0.00085
linear_end: 0.0120
num_timesteps_cond: 1
log_every_t: 200
timesteps: 1000
first_stage_key: image
cond_stage_key: caption
image_size: 32
channels: 4
cond_stage_trainable: false # Note: different from the one we trained before
conditioning_key: crossattn
monitor: val/loss_simple_ema
scale_factor: 0.18215
use_ema: False
scheduler_config: # 10000 warmup steps
target: ldm.lr_scheduler.LambdaLinearScheduler
params:
warm_up_steps: [ 100 ]
cycle_lengths: [ 10000000000000 ] # incredibly large number to prevent corner cases
f_start: [ 1.e-6 ]
f_max: [ 1.e-4 ]
f_min: [ 1.e-10 ]
unet_config:
target: ldm.modules.diffusionmodules.openaimodel.UNetModel
params:
image_size: 32 # unused
from_pretrained: '/data/scratch/diffuser/stable-diffusion-v1-4/unet/diffusion_pytorch_model.bin'
in_channels: 4
out_channels: 4
model_channels: 320
attention_resolutions: [ 4, 2, 1 ]
num_res_blocks: 2
channel_mult: [ 1, 2, 4, 4 ]
num_heads: 8
use_spatial_transformer: True
transformer_depth: 1
context_dim: 768
use_checkpoint: False
legacy: False
first_stage_config:
target: ldm.models.autoencoder.AutoencoderKL
params:
embed_dim: 4
from_pretrained: '/data/scratch/diffuser/stable-diffusion-v1-4/vae/diffusion_pytorch_model.bin'
monitor: val/rec_loss
ddconfig:
double_z: true
z_channels: 4
resolution: 256
in_channels: 3
out_ch: 3
ch: 128
ch_mult:
- 1
- 2
- 4
- 4
num_res_blocks: 2
attn_resolutions: []
dropout: 0.0
lossconfig:
target: torch.nn.Identity
cond_stage_config:
target: ldm.modules.encoders.modules.FrozenCLIPEmbedder
params:
use_fp16: True
data:
target: main.DataModuleFromConfig
params:
batch_size: 64
wrap: False
train:
target: ldm.data.base.Txt2ImgIterableBaseDataset
params:
file_path: "/data/scratch/diffuser/laion_part0/"
world_size: 1
rank: 0
lightning:
trainer:
accelerator: 'gpu'
devices: 4
log_gpu_memory: all
max_epochs: 2
precision: 16
auto_select_gpus: False
strategy:
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target: lightning.pytorch.strategies.DDPStrategy
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params:
find_unused_parameters: False
log_every_n_steps: 2
# max_steps: 6o
logger: True
default_root_dir: "/tmp/diff_log/"
# profiler: pytorch
logger_config:
wandb:
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target: lightning.pytorch.loggers.WandbLogger
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params:
name: nowname
save_dir: "/tmp/diff_log/"
offline: opt.debug
id: nowname