demucs/grids/mdx.py

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the license found in the
# LICENSE file in the root directory of this source tree.
"""
Main training for the Track A MDX models.
"""

from ._explorers import MyExplorer
from ..train import main


TRACK_A = ['0d19c1c6', '7ecf8ec1', 'c511e2ab', '7d865c68']


@MyExplorer
def explorer(launcher):
    launcher.slurm_(
        gpus=8,
        time=3 * 24 * 60,
        partition='learnlab')

    # Reproduce results from MDX competition Track A
    # This trains the first round of models. Once this is trained,
    # you will need to schedule `mdx_refine`.
    for sig in TRACK_A:
        xp = main.get_xp_from_sig(sig)
        parent = xp.cfg.continue_from
        xp = main.get_xp_from_sig(parent)
        launcher(xp.argv)
        launcher(xp.argv, {'quant.diffq': 1e-4})
        launcher(xp.argv, {'quant.diffq': 3e-4})