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adjust min/max bucket reso divisible by reso steps #1632

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Kohya S
2024-09-29 09:49:25 +09:00
parent ce49ced699
commit fe2aa32484
9 changed files with 48 additions and 8 deletions
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40
library/train_util.py
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@@ -653,6 +653,34 @@ class BaseDataset(torch.utils.data.Dataset):
# caching
self.caching_mode = None # None, 'latents', 'text'
def adjust_min_max_bucket_reso_by_steps(
self, resolution: Tuple[int, int], min_bucket_reso: int, max_bucket_reso: int, bucket_reso_steps: int
) -> Tuple[int, int]:
# make min/max bucket reso to be multiple of bucket_reso_steps
if min_bucket_reso % bucket_reso_steps != 0:
adjusted_min_bucket_reso = min_bucket_reso - min_bucket_reso % bucket_reso_steps
logger.warning(
f"min_bucket_reso is adjusted to be multiple of bucket_reso_steps"
f" / min_bucket_resoがbucket_reso_stepsの倍数になるように調整されました: {min_bucket_reso} -> {adjusted_min_bucket_reso}"
)
min_bucket_reso = adjusted_min_bucket_reso
if max_bucket_reso % bucket_reso_steps != 0:
adjusted_max_bucket_reso = max_bucket_reso + bucket_reso_steps - max_bucket_reso % bucket_reso_steps
logger.warning(
f"max_bucket_reso is adjusted to be multiple of bucket_reso_steps"
f" / max_bucket_resoがbucket_reso_stepsの倍数になるように調整されました: {max_bucket_reso} -> {adjusted_max_bucket_reso}"
)
max_bucket_reso = adjusted_max_bucket_reso
assert (
min(resolution) >= min_bucket_reso
), f"min_bucket_reso must be equal or less than resolution / min_bucket_resoは最小解像度より大きくできません。解像度を大きくするかmin_bucket_resoを小さくしてください"
assert (
max(resolution) <= max_bucket_reso
), f"max_bucket_reso must be equal or greater than resolution / max_bucket_resoは最大解像度より小さくできません。解像度を小さくするかmin_bucket_resoを大きくしてください"
return min_bucket_reso, max_bucket_reso
def set_seed(self, seed):
self.seed = seed
@@ -1533,12 +1561,9 @@ class DreamBoothDataset(BaseDataset):
self.enable_bucket = enable_bucket
if self.enable_bucket:
assert (
min(resolution) >= min_bucket_reso
), f"min_bucket_reso must be equal or less than resolution / min_bucket_resoは最小解像度より大きくできません。解像度を大きくするかmin_bucket_resoを小さくしてください"
assert (
max(resolution) <= max_bucket_reso
), f"max_bucket_reso must be equal or greater than resolution / max_bucket_resoは最大解像度より小さくできません。解像度を小さくするかmin_bucket_resoを大きくしてください"
min_bucket_reso, max_bucket_reso = self.adjust_min_max_bucket_reso_by_steps(
resolution, min_bucket_reso, max_bucket_reso, bucket_reso_steps
)
self.min_bucket_reso = min_bucket_reso
self.max_bucket_reso = max_bucket_reso
self.bucket_reso_steps = bucket_reso_steps
@@ -1901,6 +1926,9 @@ class FineTuningDataset(BaseDataset):
self.enable_bucket = enable_bucket
if self.enable_bucket:
min_bucket_reso, max_bucket_reso = self.adjust_min_max_bucket_reso_by_steps(
resolution, min_bucket_reso, max_bucket_reso, bucket_reso_steps
)
self.min_bucket_reso = min_bucket_reso
self.max_bucket_reso = max_bucket_reso
self.bucket_reso_steps = bucket_reso_steps