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combine the vae cache clear logic with bucket rebuild logic #879

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merged 1 commit into from
Aug 26, 2024
Merged

combine the vae cache clear logic with bucket rebuild logic #879

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20 changes: 5 additions & 15 deletions train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1492,13 +1492,13 @@ def main():
for backend_id, backend in StateTracker.get_data_backends().items():
backend_config = StateTracker.get_data_backend_config(backend_id)
if (
"crop" in backend_config
and backend_config["crop"] is True
and "crop_aspect" in backend_config
and backend_config["crop_aspect"] is not None
and backend_config["crop_aspect"] == "random"
backend_config.get("crop")
and backend_config.get("crop_aspect") == "random"
and "metadata_backend" in backend
and not args.aspect_bucket_disable_rebuild
) or (
backend_config.get("vae_cache_clear_each_epoch")
and "vaecache" in backend
):
# when the aspect ratio is random, we need to shuffle the dataset on each epoch.
if accelerator.is_main_process:
Expand All @@ -1525,16 +1525,6 @@ def main():
logger.info("Rebuilding VAE cache..")
backend["vaecache"].rebuild_cache()
# no need to manually call metadata_backend.save_cache() here.
elif (
"vae_cache_clear_each_epoch" in backend_config
and backend_config["vae_cache_clear_each_epoch"]
and "vaecache" in backend
):
# If the user has specified that this should happen,
# we will clear the cache and then rebuild it. This is useful for random crops.
logger.debug("VAE Cache rebuild is enabled. Rebuilding.")
logger.debug(f"Backend config: {backend_config}")
backend["vaecache"].rebuild_cache()
current_epoch = epoch
StateTracker.set_epoch(epoch)
if args.lr_scheduler == "cosine_with_restarts":
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