Add Paged/ adam8bit/lion8bit for Sdxl bitsandbytes 0.39.1 cuda118 on windows (#623)

* ADD libbitsandbytes.dll for 0.38.1

* Delete libbitsandbytes_cuda116.dll

* Delete cextension.py

* add main.py

* Update requirements.txt for bitsandbytes 0.38.1

* Update README.md for bitsandbytes-windows

* Update README-ja.md  for bitsandbytes 0.38.1

* Update main.py for return cuda118

* Update train_util.py for lion8bit

* Update train_README-ja.md for lion8bit

* Update train_util.py for add DAdaptAdan and DAdaptSGD

* Update train_util.py for DAdaptadam

* Update train_network.py for dadapt

* Update train_README-ja.md for DAdapt

* Update train_util.py for DAdapt

* Update train_network.py for DAdaptAdaGrad

* Update train_db.py for DAdapt

* Update fine_tune.py for DAdapt

* Update train_textual_inversion.py for DAdapt

* Update train_textual_inversion_XTI.py for DAdapt

* Revert "Merge branch 'qinglong' into main"

This reverts commit b65c023083, reversing
changes made to f6fda20caf.

* Revert "Update requirements.txt for bitsandbytes 0.38.1"

This reverts commit 83abc60dfa.

* Revert "Delete cextension.py"

This reverts commit 3ba4dfe046.

* Revert "Update README.md for bitsandbytes-windows"

This reverts commit 4642c52086.

* Revert "Update README-ja.md  for bitsandbytes 0.38.1"

This reverts commit fa6d7485ac.

* Update train_util.py for DAdaptLion

* Update train_README-zh.md for dadaptlion

* Update train_README-ja.md for DAdaptLion

* add DAdatpt V3

* Alignment

* Update train_util.py for experimental

* Update train_util.py V3

* Update train_util.py

* Update requirements.txt

* Update train_README-zh.md

* Update train_README-ja.md

* Update train_util.py fix

* Update train_util.py

* support Prodigy

* add lower

* Update main.py

* support PagedAdamW8bit/PagedLion8bit

* Update requirements.txt

* update for PageAdamW8bit and PagedLion8bit

* Revert

* revert main

* Update train_util.py

* update for bitsandbytes 0.39.1

* Update requirements.txt

* vram leak fix

---------

Co-authored-by: Pam <pamhome21@gmail.com>

library/train_util.py

@@ -2165,6 +2165,8 @@ def cache_batch_latents(
             info.latents = latent
             if flip_aug:
                 info.latents_flipped = flipped_latent
+        if torch.cuda.is_available():
+            torch.cuda.empty_cache()
 
 
 def cache_batch_text_encoder_outputs(