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7 Commits
| Author | SHA1 | Date | |
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68e7d2f241 | ||
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74f222596a | ||
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aa6772dcff | ||
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71d0c4edae | ||
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f7eee09d8b | ||
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89de5af63e | ||
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4ec6d0ba81 |
@@ -814,8 +814,8 @@ clip = CLIP(
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# mock data
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# mock data
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text = torch.randint(0, 49408, (4, 256)).cuda()
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text = torch.randint(0, 49408, (32, 256)).cuda()
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images = torch.randn(4, 3, 256, 256).cuda()
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images = torch.randn(32, 3, 256, 256).cuda()
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# prior networks (with transformer)
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# prior networks (with transformer)
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@@ -842,7 +842,7 @@ diffusion_prior_trainer = DiffusionPriorTrainer(
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ema_update_every = 10,
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ema_update_every = 10,
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)
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)
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loss = diffusion_prior_trainer(text, images)
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loss = diffusion_prior_trainer(text, images, max_batch_size = 4)
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diffusion_prior_trainer.update() # this will update the optimizer as well as the exponential moving averaged diffusion prior
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diffusion_prior_trainer.update() # this will update the optimizer as well as the exponential moving averaged diffusion prior
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# after much of the above three lines in a loop
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# after much of the above three lines in a loop
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@@ -1007,6 +1007,7 @@ Once built, images will be saved to the same directory the command is invoked
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- [x] make sure the cascading ddpm in the repository can be trained unconditionally, offer a one-line CLI tool for training on a folder of images
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- [x] make sure the cascading ddpm in the repository can be trained unconditionally, offer a one-line CLI tool for training on a folder of images
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- [x] bring in cross-scale embedding from iclr paper https://github.com/lucidrains/vit-pytorch/blob/main/vit_pytorch/crossformer.py#L14
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- [x] bring in cross-scale embedding from iclr paper https://github.com/lucidrains/vit-pytorch/blob/main/vit_pytorch/crossformer.py#L14
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- [x] cross embed layers for downsampling, as an option
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- [x] cross embed layers for downsampling, as an option
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- [x] use an experimental tracker agnostic setup, as done <a href="https://github.com/lucidrains/tf-bind-transformer#simple-trainer-class-for-fine-tuning">here</a>
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- [ ] become an expert with unets, cleanup unet code, make it fully configurable, port all learnings over to https://github.com/lucidrains/x-unet (test out unet² in ddpm repo) - consider https://github.com/lucidrains/uformer-pytorch attention-based unet
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- [ ] become an expert with unets, cleanup unet code, make it fully configurable, port all learnings over to https://github.com/lucidrains/x-unet (test out unet² in ddpm repo) - consider https://github.com/lucidrains/uformer-pytorch attention-based unet
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- [ ] transcribe code to Jax, which lowers the activation energy for distributed training, given access to TPUs
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- [ ] transcribe code to Jax, which lowers the activation energy for distributed training, given access to TPUs
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- [ ] train on a toy task, offer in colab
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- [ ] train on a toy task, offer in colab
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@@ -1014,7 +1015,6 @@ Once built, images will be saved to the same directory the command is invoked
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- [ ] extend diffusion head to use diffusion-gan (potentially using lightweight-gan) to speed up inference
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- [ ] extend diffusion head to use diffusion-gan (potentially using lightweight-gan) to speed up inference
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- [ ] figure out if possible to augment with external memory, as described in https://arxiv.org/abs/2204.11824
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- [ ] figure out if possible to augment with external memory, as described in https://arxiv.org/abs/2204.11824
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- [ ] test out grid attention in cascading ddpm locally, decide whether to keep or remove
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- [ ] test out grid attention in cascading ddpm locally, decide whether to keep or remove
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- [ ] use an experimental tracker agnostic setup, as done <a href="https://github.com/lucidrains/tf-bind-transformer#simple-trainer-class-for-fine-tuning">here</a>
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- [ ] interface out the vqgan-vae so a pretrained one can be pulled off the shelf to validate latent diffusion + DALL-E2
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- [ ] interface out the vqgan-vae so a pretrained one can be pulled off the shelf to validate latent diffusion + DALL-E2
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- [ ] make sure FILIP works with DALL-E2 from x-clip https://arxiv.org/abs/2111.07783
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- [ ] make sure FILIP works with DALL-E2 from x-clip https://arxiv.org/abs/2111.07783
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- [ ] offer save / load methods on the trainer classes to automatically take care of state dicts for scalers / optimizers / saving versions and checking for breaking changes
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- [ ] offer save / load methods on the trainer classes to automatically take care of state dicts for scalers / optimizers / saving versions and checking for breaking changes
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49
dalle2_pytorch/trackers.py
Normal file
49
dalle2_pytorch/trackers.py
Normal file
@@ -0,0 +1,49 @@
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import os
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import torch
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from torch import nn
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# helper functions
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def exists(val):
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return val is not None
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# base class
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class BaseTracker(nn.Module):
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def __init__(self):
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super().__init__()
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def init(self, config, **kwargs):
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raise NotImplementedError
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def log(self, log, **kwargs):
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raise NotImplementedError
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# basic stdout class
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class ConsoleTracker(BaseTracker):
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def init(self, **config):
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print(config)
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def log(self, log, **kwargs):
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print(log)
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# basic wandb class
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class WandbTracker(BaseTracker):
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def __init__(self):
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super().__init__()
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try:
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import wandb
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except ImportError as e:
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print('`pip install wandb` to use the wandb experiment tracker')
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raise e
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os.environ["WANDB_SILENT"] = "true"
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self.wandb = wandb
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def init(self, **config):
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self.wandb.init(**config)
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def log(self, log, **kwargs):
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self.wandb.log(log, **kwargs)
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@@ -66,15 +66,24 @@ def split(t, split_size = None):
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return TypeError
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return TypeError
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def split_args_and_kwargs(x, *args, split_size = None, **kwargs):
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def find_first(cond, arr):
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batch_size = len(x)
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for el in arr:
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if cond(el):
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return el
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return None
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def split_args_and_kwargs(*args, split_size = None, **kwargs):
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all_args = (*args, *kwargs.values())
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len_all_args = len(all_args)
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first_tensor = find_first(lambda t: isinstance(t, torch.Tensor), all_args)
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assert exists(first_tensor)
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batch_size = len(first_tensor)
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split_size = default(split_size, batch_size)
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split_size = default(split_size, batch_size)
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chunk_size = ceil(batch_size / split_size)
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chunk_size = ceil(batch_size / split_size)
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dict_len = len(kwargs)
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dict_len = len(kwargs)
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dict_keys = kwargs.keys()
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dict_keys = kwargs.keys()
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all_args = (x, *args, *kwargs.values())
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len_all_args = len(all_args)
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split_kwargs_index = len_all_args - dict_len
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split_kwargs_index = len_all_args - dict_len
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split_all_args = [split(arg, split_size = split_size) if exists(arg) and isinstance(arg, (torch.Tensor, Iterable)) else ((arg,) * chunk_size) for arg in all_args]
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split_all_args = [split(arg, split_size = split_size) if exists(arg) and isinstance(arg, (torch.Tensor, Iterable)) else ((arg,) * chunk_size) for arg in all_args]
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@@ -117,7 +126,7 @@ def load_diffusion_model(dprior_path, device):
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# Load state dict from saved model
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# Load state dict from saved model
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diffusion_prior.load_state_dict(loaded_obj['model'])
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diffusion_prior.load_state_dict(loaded_obj['model'])
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return diffusion_prior
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return diffusion_prior, loaded_obj
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def save_diffusion_model(save_path, model, optimizer, scaler, config, image_embed_dim):
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def save_diffusion_model(save_path, model, optimizer, scaler, config, image_embed_dim):
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# Saving State Dict
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# Saving State Dict
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@@ -228,6 +237,8 @@ class DiffusionPriorTrainer(nn.Module):
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self.max_grad_norm = max_grad_norm
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self.max_grad_norm = max_grad_norm
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self.register_buffer('step', torch.tensor([0.]))
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def update(self):
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def update(self):
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if exists(self.max_grad_norm):
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if exists(self.max_grad_norm):
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self.scaler.unscale_(self.optimizer)
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self.scaler.unscale_(self.optimizer)
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@@ -240,6 +251,8 @@ class DiffusionPriorTrainer(nn.Module):
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if self.use_ema:
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if self.use_ema:
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self.ema_diffusion_prior.update()
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self.ema_diffusion_prior.update()
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self.step += 1
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@torch.inference_mode()
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@torch.inference_mode()
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def p_sample_loop(self, *args, **kwargs):
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def p_sample_loop(self, *args, **kwargs):
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return self.ema_diffusion_prior.ema_model.p_sample_loop(*args, **kwargs)
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return self.ema_diffusion_prior.ema_model.p_sample_loop(*args, **kwargs)
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@@ -254,18 +267,17 @@ class DiffusionPriorTrainer(nn.Module):
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def forward(
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def forward(
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self,
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self,
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x,
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*args,
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*args,
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max_batch_size = None,
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max_batch_size = None,
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**kwargs
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**kwargs
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):
|
):
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total_loss = 0.
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total_loss = 0.
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for chunk_size_frac, (chunked_args, chunked_kwargs) in split_args_and_kwargs(x, *args, split_size = max_batch_size, **kwargs):
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for chunk_size_frac, (chunked_args, chunked_kwargs) in split_args_and_kwargs(*args, split_size = max_batch_size, **kwargs):
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with autocast(enabled = self.amp):
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with autocast(enabled = self.amp):
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loss = self.diffusion_prior(*chunked_args, **chunked_kwargs)
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loss = self.diffusion_prior(*chunked_args, **chunked_kwargs)
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loss = loss * chunk_size_frac
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loss = loss * chunk_size_frac
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total_loss += loss.item()
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total_loss += loss.item()
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self.scaler.scale(loss).backward()
|
self.scaler.scale(loss).backward()
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@@ -328,6 +340,8 @@ class DecoderTrainer(nn.Module):
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self.max_grad_norm = max_grad_norm
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self.max_grad_norm = max_grad_norm
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|
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self.register_buffer('step', torch.tensor([0.]))
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|
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@property
|
@property
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def unets(self):
|
def unets(self):
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return nn.ModuleList([ema.ema_model for ema in self.ema_unets])
|
return nn.ModuleList([ema.ema_model for ema in self.ema_unets])
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@@ -358,6 +372,8 @@ class DecoderTrainer(nn.Module):
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ema_unet = self.ema_unets[index]
|
ema_unet = self.ema_unets[index]
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ema_unet.update()
|
ema_unet.update()
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|
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|
self.step += 1
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|
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@torch.no_grad()
|
@torch.no_grad()
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def sample(self, *args, **kwargs):
|
def sample(self, *args, **kwargs):
|
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if self.use_ema:
|
if self.use_ema:
|
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@@ -377,19 +393,18 @@ class DecoderTrainer(nn.Module):
|
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|
|
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def forward(
|
def forward(
|
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self,
|
self,
|
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x,
|
*args,
|
||||||
*,
|
|
||||||
unet_number,
|
unet_number,
|
||||||
max_batch_size = None,
|
max_batch_size = None,
|
||||||
**kwargs
|
**kwargs
|
||||||
):
|
):
|
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total_loss = 0.
|
total_loss = 0.
|
||||||
|
|
||||||
for chunk_size_frac, (chunked_args, chunked_kwargs) in split_args_and_kwargs(x, split_size = max_batch_size, **kwargs):
|
for chunk_size_frac, (chunked_args, chunked_kwargs) in split_args_and_kwargs(*args, split_size = max_batch_size, **kwargs):
|
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with autocast(enabled = self.amp):
|
with autocast(enabled = self.amp):
|
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loss = self.decoder(*chunked_args, unet_number = unet_number, **chunked_kwargs)
|
loss = self.decoder(*chunked_args, unet_number = unet_number, **chunked_kwargs)
|
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|
loss = loss * chunk_size_frac
|
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|
|
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loss = loss * chunk_size_frac
|
|
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total_loss += loss.item()
|
total_loss += loss.item()
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self.scale(loss, unet_number = unet_number).backward()
|
self.scale(loss, unet_number = unet_number).backward()
|
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|
|
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|
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2
setup.py
2
setup.py
@@ -10,7 +10,7 @@ setup(
|
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'dream = dalle2_pytorch.cli:dream'
|
'dream = dalle2_pytorch.cli:dream'
|
||||||
],
|
],
|
||||||
},
|
},
|
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version = '0.2.28',
|
version = '0.2.31',
|
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license='MIT',
|
license='MIT',
|
||||||
description = 'DALL-E 2',
|
description = 'DALL-E 2',
|
||||||
author = 'Phil Wang',
|
author = 'Phil Wang',
|
||||||
|
|||||||
@@ -1,24 +1,42 @@
|
|||||||
import os
|
from pathlib import Path
|
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|
import click
|
||||||
import math
|
import math
|
||||||
import argparse
|
import time
|
||||||
import numpy as np
|
import numpy as np
|
||||||
|
|
||||||
import torch
|
import torch
|
||||||
from torch import nn
|
from torch import nn
|
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from embedding_reader import EmbeddingReader
|
|
||||||
from dalle2_pytorch import DiffusionPrior, DiffusionPriorNetwork
|
|
||||||
from dalle2_pytorch.train import load_diffusion_model, save_diffusion_model, print_ribbon
|
|
||||||
from dalle2_pytorch.optimizer import get_optimizer
|
|
||||||
from torch.cuda.amp import autocast,GradScaler
|
|
||||||
|
|
||||||
import time
|
from dalle2_pytorch import DiffusionPrior, DiffusionPriorNetwork
|
||||||
|
from dalle2_pytorch.train import DiffusionPriorTrainer, load_diffusion_model, save_diffusion_model, print_ribbon
|
||||||
|
from dalle2_pytorch.trackers import ConsoleTracker, WandbTracker
|
||||||
|
|
||||||
|
from embedding_reader import EmbeddingReader
|
||||||
|
|
||||||
from tqdm import tqdm
|
from tqdm import tqdm
|
||||||
|
|
||||||
import wandb
|
# constants
|
||||||
os.environ["WANDB_SILENT"] = "true"
|
|
||||||
NUM_TEST_EMBEDDINGS = 100 # for cosine similarity reporting during training
|
NUM_TEST_EMBEDDINGS = 100 # for cosine similarity reporting during training
|
||||||
REPORT_METRICS_EVERY = 100 # for cosine similarity and other metric reporting during training
|
REPORT_METRICS_EVERY = 100 # for cosine similarity and other metric reporting during training
|
||||||
|
|
||||||
|
tracker = WandbTracker()
|
||||||
|
|
||||||
|
# helpers functions
|
||||||
|
|
||||||
|
def exists(val):
|
||||||
|
val is not None
|
||||||
|
|
||||||
|
class Timer:
|
||||||
|
def __init__(self):
|
||||||
|
self.reset()
|
||||||
|
|
||||||
|
def reset(self):
|
||||||
|
self.last_time = time.time()
|
||||||
|
|
||||||
|
def elapsed(self):
|
||||||
|
return time.time() - self.last_time
|
||||||
|
# functions
|
||||||
|
|
||||||
def eval_model(model,device,image_reader,text_reader,start,end,batch_size,loss_type,phase="Validation"):
|
def eval_model(model,device,image_reader,text_reader,start,end,batch_size,loss_type,phase="Validation"):
|
||||||
model.eval()
|
model.eval()
|
||||||
@@ -40,7 +58,7 @@ def eval_model(model,device,image_reader,text_reader,start,end,batch_size,loss_t
|
|||||||
total_samples += batches
|
total_samples += batches
|
||||||
|
|
||||||
avg_loss = (total_loss / total_samples)
|
avg_loss = (total_loss / total_samples)
|
||||||
wandb.log({f'{phase} {loss_type}': avg_loss})
|
tracker.log({f'{phase} {loss_type}': avg_loss})
|
||||||
|
|
||||||
def report_cosine_sims(diffusion_prior,image_reader,text_reader,train_set_size,NUM_TEST_EMBEDDINGS,device):
|
def report_cosine_sims(diffusion_prior,image_reader,text_reader,train_set_size,NUM_TEST_EMBEDDINGS,device):
|
||||||
diffusion_prior.eval()
|
diffusion_prior.eval()
|
||||||
@@ -87,7 +105,7 @@ def report_cosine_sims(diffusion_prior,image_reader,text_reader,train_set_size,N
|
|||||||
text_embed, predicted_unrelated_embeddings).cpu().numpy()
|
text_embed, predicted_unrelated_embeddings).cpu().numpy()
|
||||||
predicted_img_similarity = cos(
|
predicted_img_similarity = cos(
|
||||||
test_image_embeddings, predicted_image_embeddings).cpu().numpy()
|
test_image_embeddings, predicted_image_embeddings).cpu().numpy()
|
||||||
wandb.log({"CosineSimilarity(text_embed,image_embed)": np.mean(original_similarity),
|
tracker.log({"CosineSimilarity(text_embed,image_embed)": np.mean(original_similarity),
|
||||||
"CosineSimilarity(text_embed,predicted_image_embed)":np.mean(predicted_similarity),
|
"CosineSimilarity(text_embed,predicted_image_embed)":np.mean(predicted_similarity),
|
||||||
"CosineSimilarity(orig_image_embed,predicted_image_embed)":np.mean(predicted_img_similarity),
|
"CosineSimilarity(orig_image_embed,predicted_image_embed)":np.mean(predicted_img_similarity),
|
||||||
"CosineSimilarity(text_embed,predicted_unrelated_embed)": np.mean(unrelated_similarity),
|
"CosineSimilarity(text_embed,predicted_unrelated_embed)": np.mean(unrelated_similarity),
|
||||||
@@ -124,48 +142,67 @@ def train(image_embed_dim,
|
|||||||
dropout=0.05,
|
dropout=0.05,
|
||||||
amp=False):
|
amp=False):
|
||||||
|
|
||||||
# DiffusionPriorNetwork
|
# diffusion prior network
|
||||||
|
|
||||||
prior_network = DiffusionPriorNetwork(
|
prior_network = DiffusionPriorNetwork(
|
||||||
dim = image_embed_dim,
|
dim = image_embed_dim,
|
||||||
depth = dpn_depth,
|
depth = dpn_depth,
|
||||||
dim_head = dpn_dim_head,
|
dim_head = dpn_dim_head,
|
||||||
heads = dpn_heads,
|
heads = dpn_heads,
|
||||||
attn_dropout = dropout,
|
attn_dropout = dropout,
|
||||||
ff_dropout = dropout,
|
ff_dropout = dropout,
|
||||||
normformer = dp_normformer).to(device)
|
normformer = dp_normformer
|
||||||
|
)
|
||||||
|
|
||||||
# DiffusionPrior with text embeddings and image embeddings pre-computed
|
# diffusion prior with text embeddings and image embeddings pre-computed
|
||||||
|
|
||||||
diffusion_prior = DiffusionPrior(
|
diffusion_prior = DiffusionPrior(
|
||||||
net = prior_network,
|
net = prior_network,
|
||||||
clip = clip,
|
clip = clip,
|
||||||
image_embed_dim = image_embed_dim,
|
image_embed_dim = image_embed_dim,
|
||||||
timesteps = dp_timesteps,
|
timesteps = dp_timesteps,
|
||||||
cond_drop_prob = dp_cond_drop_prob,
|
cond_drop_prob = dp_cond_drop_prob,
|
||||||
loss_type = dp_loss_type,
|
loss_type = dp_loss_type,
|
||||||
condition_on_text_encodings = dp_condition_on_text_encodings).to(device)
|
condition_on_text_encodings = dp_condition_on_text_encodings
|
||||||
|
)
|
||||||
|
|
||||||
# Load pre-trained model from DPRIOR_PATH
|
# Load pre-trained model from DPRIOR_PATH
|
||||||
|
|
||||||
if RESUME:
|
if RESUME:
|
||||||
diffusion_prior=load_diffusion_model(DPRIOR_PATH,device)
|
diffusion_prior, loaded_obj = load_diffusion_model(DPRIOR_PATH, device)
|
||||||
wandb.init( entity=wandb_entity, project=wandb_project, config=config)
|
tracker.init(entity = wandb_entity, project = wandb_project, config = config)
|
||||||
|
|
||||||
|
# diffusion prior trainer
|
||||||
|
|
||||||
|
trainer = DiffusionPriorTrainer(
|
||||||
|
diffusion_prior = diffusion_prior,
|
||||||
|
lr = learning_rate,
|
||||||
|
wd = weight_decay,
|
||||||
|
max_grad_norm = max_grad_norm,
|
||||||
|
amp = amp,
|
||||||
|
).to(device)
|
||||||
|
|
||||||
|
# load optimizer and scaler
|
||||||
|
|
||||||
|
if RESUME:
|
||||||
|
trainer.optimizer.load_state_dict(loaded_obj['optimizer'])
|
||||||
|
trainer.scaler.load_state_dict(loaded_obj['scaler'])
|
||||||
|
|
||||||
# Create save_path if it doesn't exist
|
# Create save_path if it doesn't exist
|
||||||
if not os.path.exists(save_path):
|
|
||||||
os.makedirs(save_path)
|
Path(save_path).mkdir(exist_ok = True, parents = True)
|
||||||
|
|
||||||
# Get image and text embeddings from the servers
|
# Get image and text embeddings from the servers
|
||||||
|
|
||||||
print_ribbon("Downloading embeddings - image and text")
|
print_ribbon("Downloading embeddings - image and text")
|
||||||
image_reader = EmbeddingReader(embeddings_folder=image_embed_url, file_format="npy")
|
image_reader = EmbeddingReader(embeddings_folder=image_embed_url, file_format="npy")
|
||||||
text_reader = EmbeddingReader(embeddings_folder=text_embed_url, file_format="npy")
|
text_reader = EmbeddingReader(embeddings_folder=text_embed_url, file_format="npy")
|
||||||
num_data_points = text_reader.count
|
num_data_points = text_reader.count
|
||||||
|
|
||||||
### Training code ###
|
### Training code ###
|
||||||
scaler = GradScaler(enabled=amp)
|
|
||||||
optimizer = get_optimizer(diffusion_prior.net.parameters(), wd=weight_decay, lr=learning_rate)
|
|
||||||
epochs = num_epochs
|
|
||||||
|
|
||||||
step = 0
|
timer = Timer()
|
||||||
t = time.time()
|
epochs = num_epochs
|
||||||
|
|
||||||
train_set_size = int(train_percent*num_data_points)
|
train_set_size = int(train_percent*num_data_points)
|
||||||
val_set_size = int(val_percent*num_data_points)
|
val_set_size = int(val_percent*num_data_points)
|
||||||
@@ -176,32 +213,31 @@ def train(image_embed_dim,
|
|||||||
for emb_images,emb_text in zip(image_reader(batch_size=batch_size, start=0, end=train_set_size),
|
for emb_images,emb_text in zip(image_reader(batch_size=batch_size, start=0, end=train_set_size),
|
||||||
text_reader(batch_size=batch_size, start=0, end=train_set_size)):
|
text_reader(batch_size=batch_size, start=0, end=train_set_size)):
|
||||||
|
|
||||||
diffusion_prior.train()
|
trainer.train()
|
||||||
|
|
||||||
emb_images_tensor = torch.tensor(emb_images[0]).to(device)
|
emb_images_tensor = torch.tensor(emb_images[0]).to(device)
|
||||||
emb_text_tensor = torch.tensor(emb_text[0]).to(device)
|
emb_text_tensor = torch.tensor(emb_text[0]).to(device)
|
||||||
|
|
||||||
with autocast(enabled=amp):
|
loss = trainer(text_embed = emb_text_tensor, image_embed = emb_images_tensor)
|
||||||
loss = diffusion_prior(text_embed = emb_text_tensor,image_embed = emb_images_tensor)
|
|
||||||
scaler.scale(loss).backward()
|
|
||||||
|
|
||||||
# Samples per second
|
# Samples per second
|
||||||
step+=1
|
|
||||||
samples_per_sec = batch_size*step/(time.time()-t)
|
samples_per_sec = batch_size * step / timer.elapsed()
|
||||||
|
|
||||||
# Save checkpoint every save_interval minutes
|
# Save checkpoint every save_interval minutes
|
||||||
if(int(time.time()-t) >= 60*save_interval):
|
if(int(timer.elapsed()) >= 60 * save_interval):
|
||||||
t = time.time()
|
timer.reset()
|
||||||
|
|
||||||
save_diffusion_model(
|
save_diffusion_model(
|
||||||
save_path,
|
save_path,
|
||||||
diffusion_prior,
|
diffusion_prior,
|
||||||
optimizer,
|
trainer.optimizer,
|
||||||
scaler,
|
trainer.scaler,
|
||||||
config,
|
config,
|
||||||
image_embed_dim)
|
image_embed_dim)
|
||||||
|
|
||||||
# Log to wandb
|
# Log to wandb
|
||||||
wandb.log({"Training loss": loss.item(),
|
tracker.log({"Training loss": loss.item(),
|
||||||
"Steps": step,
|
"Steps": step,
|
||||||
"Samples per second": samples_per_sec})
|
"Samples per second": samples_per_sec})
|
||||||
# Log cosineSim(text_embed,predicted_image_embed) - cosineSim(text_embed,image_embed)
|
# Log cosineSim(text_embed,predicted_image_embed) - cosineSim(text_embed,image_embed)
|
||||||
@@ -225,91 +261,109 @@ def train(image_embed_dim,
|
|||||||
dp_loss_type,
|
dp_loss_type,
|
||||||
phase="Validation")
|
phase="Validation")
|
||||||
|
|
||||||
scaler.unscale_(optimizer)
|
trainer.update()
|
||||||
nn.utils.clip_grad_norm_(diffusion_prior.parameters(), max_grad_norm)
|
|
||||||
|
|
||||||
scaler.step(optimizer)
|
|
||||||
scaler.update()
|
|
||||||
optimizer.zero_grad()
|
|
||||||
|
|
||||||
### Test run ###
|
### Test run ###
|
||||||
test_set_size = int(test_percent*train_set_size)
|
test_set_size = int(test_percent*train_set_size)
|
||||||
start=train_set_size+val_set_size
|
start = train_set_size+val_set_size
|
||||||
end=num_data_points
|
end = num_data_points
|
||||||
eval_model(diffusion_prior,device,image_reader,text_reader,start,end,batch_size,dp_loss_type,phase="Test")
|
eval_model(diffusion_prior,device,image_reader,text_reader,start,end,batch_size,dp_loss_type,phase="Test")
|
||||||
|
|
||||||
def main():
|
@click.command()
|
||||||
parser = argparse.ArgumentParser()
|
@click.option("--wandb-entity", default="laion")
|
||||||
# Logging
|
@click.option("--wandb-project", default="diffusion-prior")
|
||||||
parser.add_argument("--wandb-entity", type=str, default="laion")
|
@click.option("--wandb-dataset", default="LAION-5B")
|
||||||
parser.add_argument("--wandb-project", type=str, default="diffusion-prior")
|
@click.option("--wandb-arch", default="DiffusionPrior")
|
||||||
parser.add_argument("--wandb-dataset", type=str, default="LAION-5B")
|
@click.option("--image-embed-url", default="https://mystic.the-eye.eu/public/AI/cah/laion5b/embeddings/laion2B-en/img_emb/")
|
||||||
parser.add_argument("--wandb-arch", type=str, default="DiffusionPrior")
|
@click.option("--text-embed-url", default="https://mystic.the-eye.eu/public/AI/cah/laion5b/embeddings/laion2B-en/text_emb/")
|
||||||
# URLs for embeddings
|
@click.option("--learning-rate", default=1.1e-4)
|
||||||
parser.add_argument("--image-embed-url", type=str, default="https://mystic.the-eye.eu/public/AI/cah/laion5b/embeddings/laion2B-en/img_emb/")
|
@click.option("--weight-decay", default=6.02e-2)
|
||||||
parser.add_argument("--text-embed-url", type=str, default="https://mystic.the-eye.eu/public/AI/cah/laion5b/embeddings/laion2B-en/text_emb/")
|
@click.option("--dropout", default=5e-2)
|
||||||
# Hyperparameters
|
@click.option("--max-grad-norm", default=0.5)
|
||||||
parser.add_argument("--learning-rate", type=float, default=1.1e-4)
|
@click.option("--batch-size", default=10**4)
|
||||||
parser.add_argument("--weight-decay", type=float, default=6.02e-2)
|
@click.option("--num-epochs", default=5)
|
||||||
parser.add_argument("--dropout", type=float, default=5e-2)
|
@click.option("--image-embed-dim", default=768)
|
||||||
parser.add_argument("--max-grad-norm", type=float, default=0.5)
|
@click.option("--train-percent", default=0.7)
|
||||||
parser.add_argument("--batch-size", type=int, default=10**4)
|
@click.option("--val-percent", default=0.2)
|
||||||
parser.add_argument("--num-epochs", type=int, default=5)
|
@click.option("--test-percent", default=0.1)
|
||||||
# Image embed dimension
|
@click.option("--dpn-depth", default=6)
|
||||||
parser.add_argument("--image-embed-dim", type=int, default=768)
|
@click.option("--dpn-dim-head", default=64)
|
||||||
# Train-test split
|
@click.option("--dpn-heads", default=8)
|
||||||
parser.add_argument("--train-percent", type=float, default=0.7)
|
@click.option("--dp-condition-on-text-encodings", default=False)
|
||||||
parser.add_argument("--val-percent", type=float, default=0.2)
|
@click.option("--dp-timesteps", default=100)
|
||||||
parser.add_argument("--test-percent", type=float, default=0.1)
|
@click.option("--dp-normformer", default=False)
|
||||||
# LAION training(pre-computed embeddings)
|
@click.option("--dp-cond-drop-prob", default=0.1)
|
||||||
# DiffusionPriorNetwork(dpn) parameters
|
@click.option("--dp-loss-type", default="l2")
|
||||||
parser.add_argument("--dpn-depth", type=int, default=6)
|
@click.option("--clip", default=None)
|
||||||
parser.add_argument("--dpn-dim-head", type=int, default=64)
|
@click.option("--amp", default=False)
|
||||||
parser.add_argument("--dpn-heads", type=int, default=8)
|
@click.option("--save-interval", default=30)
|
||||||
# DiffusionPrior(dp) parameters
|
@click.option("--save-path", default="./diffusion_prior_checkpoints")
|
||||||
parser.add_argument("--dp-condition-on-text-encodings", type=bool, default=False)
|
@click.option("--pretrained-model-path", default=None)
|
||||||
parser.add_argument("--dp-timesteps", type=int, default=100)
|
def main(
|
||||||
parser.add_argument("--dp-normformer", type=bool, default=False)
|
wandb_entity,
|
||||||
parser.add_argument("--dp-cond-drop-prob", type=float, default=0.1)
|
wandb_project,
|
||||||
parser.add_argument("--dp-loss-type", type=str, default="l2")
|
wandb_dataset,
|
||||||
parser.add_argument("--clip", type=str, default=None)
|
wandb_arch,
|
||||||
parser.add_argument("--amp", type=bool, default=False)
|
image_embed_url,
|
||||||
# Model checkpointing interval(minutes)
|
text_embed_url,
|
||||||
parser.add_argument("--save-interval", type=int, default=30)
|
learning_rate,
|
||||||
parser.add_argument("--save-path", type=str, default="./diffusion_prior_checkpoints")
|
weight_decay,
|
||||||
# Saved model path
|
dropout,
|
||||||
parser.add_argument("--pretrained-model-path", type=str, default=None)
|
max_grad_norm,
|
||||||
|
batch_size,
|
||||||
|
num_epochs,
|
||||||
|
image_embed_dim,
|
||||||
|
train_percent,
|
||||||
|
val_percent,
|
||||||
|
test_percent,
|
||||||
|
dpn_depth,
|
||||||
|
dpn_dim_head,
|
||||||
|
dpn_heads,
|
||||||
|
dp_condition_on_text_encodings,
|
||||||
|
dp_timesteps,
|
||||||
|
dp_normformer,
|
||||||
|
dp_cond_drop_prob,
|
||||||
|
dp_loss_type,
|
||||||
|
clip,
|
||||||
|
amp,
|
||||||
|
save_interval,
|
||||||
|
save_path,
|
||||||
|
pretrained_model_path
|
||||||
|
):
|
||||||
|
config = {
|
||||||
|
"learning_rate": learning_rate,
|
||||||
|
"architecture": wandb_arch,
|
||||||
|
"dataset": wandb_dataset,
|
||||||
|
"weight_decay": weight_decay,
|
||||||
|
"max_gradient_clipping_norm": max_grad_norm,
|
||||||
|
"batch_size": batch_size,
|
||||||
|
"epochs": num_epochs,
|
||||||
|
"diffusion_prior_network": {
|
||||||
|
"depth": dpn_depth,
|
||||||
|
"dim_head": dpn_dim_head,
|
||||||
|
"heads": dpn_heads,
|
||||||
|
"normformer": dp_normformer
|
||||||
|
},
|
||||||
|
"diffusion_prior": {
|
||||||
|
"condition_on_text_encodings": dp_condition_on_text_encodings,
|
||||||
|
"timesteps": dp_timesteps,
|
||||||
|
"cond_drop_prob": dp_cond_drop_prob,
|
||||||
|
"loss_type": dp_loss_type,
|
||||||
|
"clip": clip
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
args = parser.parse_args()
|
|
||||||
|
|
||||||
config = ({"learning_rate": args.learning_rate,
|
|
||||||
"architecture": args.wandb_arch,
|
|
||||||
"dataset": args.wandb_dataset,
|
|
||||||
"weight_decay":args.weight_decay,
|
|
||||||
"max_gradient_clipping_norm":args.max_grad_norm,
|
|
||||||
"batch_size":args.batch_size,
|
|
||||||
"epochs": args.num_epochs,
|
|
||||||
"diffusion_prior_network":{"depth":args.dpn_depth,
|
|
||||||
"dim_head":args.dpn_dim_head,
|
|
||||||
"heads":args.dpn_heads,
|
|
||||||
"normformer":args.dp_normformer},
|
|
||||||
"diffusion_prior":{"condition_on_text_encodings": args.dp_condition_on_text_encodings,
|
|
||||||
"timesteps": args.dp_timesteps,
|
|
||||||
"cond_drop_prob":args.dp_cond_drop_prob,
|
|
||||||
"loss_type":args.dp_loss_type,
|
|
||||||
"clip":args.clip}
|
|
||||||
})
|
|
||||||
|
|
||||||
RESUME = False
|
|
||||||
# Check if DPRIOR_PATH exists(saved model path)
|
# Check if DPRIOR_PATH exists(saved model path)
|
||||||
|
|
||||||
DPRIOR_PATH = args.pretrained_model_path
|
DPRIOR_PATH = args.pretrained_model_path
|
||||||
if(DPRIOR_PATH is not None):
|
RESUME = exists(DPRIOR_PATH)
|
||||||
RESUME = True
|
|
||||||
else:
|
if not RESUME:
|
||||||
wandb.init(
|
tracker.init(
|
||||||
entity=args.wandb_entity,
|
entity = wandb_entity,
|
||||||
project=args.wandb_project,
|
project = wandb_project,
|
||||||
config=config)
|
config = config
|
||||||
|
)
|
||||||
|
|
||||||
# Obtain the utilized device.
|
# Obtain the utilized device.
|
||||||
|
|
||||||
@@ -319,36 +373,36 @@ def main():
|
|||||||
torch.cuda.set_device(device)
|
torch.cuda.set_device(device)
|
||||||
|
|
||||||
# Training loop
|
# Training loop
|
||||||
train(args.image_embed_dim,
|
train(image_embed_dim,
|
||||||
args.image_embed_url,
|
image_embed_url,
|
||||||
args.text_embed_url,
|
text_embed_url,
|
||||||
args.batch_size,
|
batch_size,
|
||||||
args.train_percent,
|
train_percent,
|
||||||
args.val_percent,
|
val_percent,
|
||||||
args.test_percent,
|
test_percent,
|
||||||
args.num_epochs,
|
num_epochs,
|
||||||
args.dp_loss_type,
|
dp_loss_type,
|
||||||
args.clip,
|
clip,
|
||||||
args.dp_condition_on_text_encodings,
|
dp_condition_on_text_encodings,
|
||||||
args.dp_timesteps,
|
dp_timesteps,
|
||||||
args.dp_normformer,
|
dp_normformer,
|
||||||
args.dp_cond_drop_prob,
|
dp_cond_drop_prob,
|
||||||
args.dpn_depth,
|
dpn_depth,
|
||||||
args.dpn_dim_head,
|
dpn_dim_head,
|
||||||
args.dpn_heads,
|
dpn_heads,
|
||||||
args.save_interval,
|
save_interval,
|
||||||
args.save_path,
|
save_path,
|
||||||
device,
|
device,
|
||||||
RESUME,
|
RESUME,
|
||||||
DPRIOR_PATH,
|
DPRIOR_PATH,
|
||||||
config,
|
config,
|
||||||
args.wandb_entity,
|
wandb_entity,
|
||||||
args.wandb_project,
|
wandb_project,
|
||||||
args.learning_rate,
|
learning_rate,
|
||||||
args.max_grad_norm,
|
max_grad_norm,
|
||||||
args.weight_decay,
|
weight_decay,
|
||||||
args.dropout,
|
dropout,
|
||||||
args.amp)
|
amp)
|
||||||
|
|
||||||
if __name__ == "__main__":
|
if __name__ == "__main__":
|
||||||
main()
|
main()
|
||||||
|
|||||||
Reference in New Issue
Block a user