2026-09-06 09:38:02.077 | WARNING  | acestep.training.trainer:<module>:40 - bitsandbytes not installed. Using standard AdamW.
music/ACE-Step-1.5/.venv/lib/python3.12/site-packages/torch/nn/utils/weight_norm.py:144: FutureWarning: `torch.nn.utils.weight_norm` is deprecated in favor of `torch.nn.utils.parametrizations.weight_norm`.
  WeightNorm.apply(module, name, dim)

============================================================
  Preprocessing Summary
============================================================
  Source:        music/datasets/house-wide/20260906T092541Z-house0/dataset.json
  Output:        music/tensors/house-wide/20260906T092541Z-house0
  Checkpoint:    music/checkpoints
  Model variant: turbo
  Max duration:  240.0s
============================================================
[INFO] Two-pass pipeline (sequential model loading for low VRAM)
[INFO] Loading model from music/checkpoints/acestep-v15-turbo (variant=turbo, dtype=torch.bfloat16)
[OK] Model loaded with attn_implementation=sdpa

[OK] Preprocessing complete:
     Processed: 331/331
     Output:    music/tensors/house-wide/20260906T092541Z-house0

[INFO] You can now train with:
       python -m acestep.training_v2.cli.train_fixed --dataset-dir music/tensors/house-wide/20260906T092541Z-house0 ...