Phil Wang
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0fc6c9cdf3
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provide option to l2norm the output of the diffusion prior
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2022-05-02 09:41:03 -07:00 |
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Phil Wang
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1924c7cc3d
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fix issue with mixed precision and gradient clipping
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2022-05-02 09:20:19 -07:00 |
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Phil Wang
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fc954ee788
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fix calculation of adaptive weight for vit-vqgan, thanks to @CiaoHe
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2022-05-02 07:58:14 -07:00 |
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Phil Wang
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ad87bfe28f
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switch to using linear attention for the sparse attention layers within unet, given success in GAN projects
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2022-05-01 17:59:03 -07:00 |
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Phil Wang
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b8cf1e5c20
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more attention
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2022-05-01 11:00:33 -07:00 |
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Phil Wang
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1bb9fc9829
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add convnext backbone for vqgan-vae, still need to fix groupnorms in resnet encdec
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2022-05-01 09:32:24 -07:00 |
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Phil Wang
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5e421bd5bb
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let researchers do the hyperparameter search
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2022-05-01 08:46:21 -07:00 |
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Phil Wang
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67fcab1122
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add MLP based time conditioning to all convnexts, in addition to cross attention. also add an initial convolution, given convnext first depthwise conv
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2022-05-01 08:41:02 -07:00 |
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Phil Wang
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5bfbccda22
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port over vqgan vae trainer
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2022-05-01 08:09:15 -07:00 |
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Phil Wang
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d1a697ac23
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allows one to shortcut sampling at a specific unet number, if one were to be training in stages
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2022-04-30 16:05:13 -07:00 |
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Phil Wang
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ebe01749ed
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DecoderTrainer sample method uses the exponentially moving averaged
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2022-04-30 14:55:34 -07:00 |
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Phil Wang
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63195cc2cb
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allow for division of loss prior to scaling, for gradient accumulation purposes
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2022-04-30 12:56:47 -07:00 |
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Phil Wang
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a2ef69af66
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take care of mixed precision, and make gradient accumulation do-able externally
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2022-04-30 12:27:24 -07:00 |
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Phil Wang
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5fff22834e
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be able to finely customize learning parameters for each unet, take care of gradient clipping
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2022-04-30 11:56:05 -07:00 |
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Phil Wang
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a9421f49ec
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simplify Decoder training for the public
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2022-04-30 11:45:18 -07:00 |
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Phil Wang
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77fa34eae9
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fix all clipping / clamping issues
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2022-04-30 10:08:24 -07:00 |
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Phil Wang
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1c1e508369
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fix all issues with text encodings conditioning in the decoder, using null padding tokens technique from dalle v1
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2022-04-30 09:13:34 -07:00 |
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Phil Wang
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f19c99ecb0
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fix decoder needing separate conditional dropping probabilities for image embeddings and text encodings, thanks to @xiankgx !
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2022-04-30 08:48:05 -07:00 |
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Phil Wang
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20e7eb5a9b
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cleanup
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2022-04-30 07:22:57 -07:00 |
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Phil Wang
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e2f9615afa
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use @clip-anytorch , thanks to @rom1504
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2022-04-30 06:40:54 -07:00 |
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Phil Wang
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0d1c07c803
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fix a bug with classifier free guidance, thanks to @xiankgx again!
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2022-04-30 06:34:57 -07:00 |
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Phil Wang
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5063d192b6
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now completely OpenAI CLIP compatible for training
just take care of the logic for AdamW and transformers
used namedtuples for clip adapter embedding outputs
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2022-04-29 13:05:01 -07:00 |
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Phil Wang
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f4a54e475e
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add some training fns
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2022-04-29 09:44:55 -07:00 |
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Phil Wang
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fb662a62f3
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fix another bug thanks to @xiankgx
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2022-04-29 07:38:32 -07:00 |
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Phil Wang
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587c8c9b44
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optimize for clarity
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2022-04-28 21:59:13 -07:00 |
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Phil Wang
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aa900213e7
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force first unet in the cascade to be conditioned on image embeds
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2022-04-28 20:53:15 -07:00 |
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Phil Wang
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cb26187450
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vqgan-vae codebook dims should be 256 or smaller
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2022-04-28 08:59:03 -07:00 |
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Phil Wang
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625ce23f6b
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🐛
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2022-04-28 07:21:18 -07:00 |
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Phil Wang
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dbf4a281f1
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make sure another CLIP can actually be passed in, as long as it is wrapped in an adapter extended from BaseClipAdapter
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2022-04-27 20:45:27 -07:00 |
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Phil Wang
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4ab527e779
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some extra asserts for text encoding of diffusion prior and decoder
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2022-04-27 20:11:43 -07:00 |
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Phil Wang
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d0cdeb3247
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add ability for DALL-E2 to return PIL images with return_pil_images = True on forward, for those who have no clue about deep learning
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2022-04-27 19:58:06 -07:00 |
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Phil Wang
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8c610aad9a
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only pass text encodings conditioning in diffusion prior if specified on initialization
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2022-04-27 19:48:16 -07:00 |
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Phil Wang
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6700381a37
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prepare for ability to integrate other clips other than x-clip
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2022-04-27 19:35:05 -07:00 |
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Phil Wang
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6edb1c5dd0
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fix issue with ema class
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2022-04-27 16:40:02 -07:00 |
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Phil Wang
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fa3bb6ba5c
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make sure cpu-only still works
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2022-04-27 08:02:10 -07:00 |
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Phil Wang
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2705e7c9b0
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attention-based upsampling claims unsupported by local experiments, removing
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2022-04-27 07:51:04 -07:00 |
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Phil Wang
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77141882c8
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complete vit-vqgan from https://arxiv.org/abs/2110.04627
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2022-04-26 17:20:47 -07:00 |
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Phil Wang
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4075d02139
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nevermind, it could be working, but only when i stabilize it with the feedforward layer + tanh as proposed in vit-vqgan paper (which will be built into the repository later for the latent diffusion)
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2022-04-26 12:43:31 -07:00 |
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Phil Wang
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de0296106b
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be able to turn off warning for use of LazyLinear by passing in text embedding dimension for unet
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2022-04-26 11:42:46 -07:00 |
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Phil Wang
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eafb136214
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suppress a warning
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2022-04-26 11:40:45 -07:00 |
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Phil Wang
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bfbcc283a3
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DRY a tiny bit for gaussian diffusion related logic
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2022-04-26 11:39:12 -07:00 |
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Phil Wang
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c30544b73a
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no CLIP altogether for training DiffusionPrior
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2022-04-26 10:23:41 -07:00 |
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Phil Wang
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9878be760b
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have researcher explicitly state upfront whether to condition with text encodings in cascading ddpm decoder, have DALLE-2 class take care of passing in text if feature turned on
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2022-04-26 09:47:09 -07:00 |
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Phil Wang
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7ba6357c05
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allow for training the Prior network with precomputed CLIP embeddings (or text encodings)
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2022-04-26 09:29:51 -07:00 |
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Phil Wang
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76e063e8b7
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refactor so that the causal transformer in the diffusion prior network can be conditioned without text encodings (for Laions parallel efforts, although it seems from the paper it is needed)
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2022-04-26 09:00:11 -07:00 |
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Phil Wang
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4d25976f33
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make sure non-latent diffusion still works
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2022-04-26 08:36:00 -07:00 |
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Phil Wang
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0b28ee0d01
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revert back to old upsampling, paper does not work
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2022-04-26 07:39:04 -07:00 |
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Phil Wang
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45262a4bb7
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bring in the exponential moving average wrapper, to get ready for training
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2022-04-25 19:24:13 -07:00 |
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Phil Wang
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f75d49c781
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start a file for all attention-related modules, use attention-based upsampling in the unets in dalle-2
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2022-04-25 18:59:10 -07:00 |
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Phil Wang
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3b520dfa85
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bring in attention-based upsampling to strengthen vqgan-vae, seems to work as advertised in initial experiments in GAN
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2022-04-25 17:27:45 -07:00 |
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