mmpretrain/configs/_base_/schedules/imagenet_bs2048.py

13 lines
344 B
Python

# optimizer
optimizer = dict(
type='SGD', lr=0.8, momentum=0.9, weight_decay=0.0001, nesterov=True)
optimizer_config = dict(grad_clip=None)
# learning policy
lr_config = dict(
policy='step',
warmup='linear',
warmup_iters=2500,
warmup_ratio=0.25,
step=[30, 60, 90])
runner = dict(type='EpochBasedRunner', max_epochs=100)