mirror of
https://github.com/open-mmlab/mmpretrain.git
synced 2025-06-03 14:59:18 +08:00
08dc8c75d3
* remove basehead * add moco series * add byol simclr simsiam * add ut * update configs * add simsiam hook * add and refactor beit * update ut * add cae * update extract_feat * refactor cae * add mae * refactor data preprocessor * update heads * add maskfeat * add milan * add simmim * add mixmim * fix lint * fix ut * fix lint * add eva * add densecl * add barlowtwins * add swav * fix lint * update readtherdocs rst * update docs * update * Decrease UT memory usage * Fix docstring * update DALLEEncoder * Update model docs * refactor dalle encoder * update docstring * fix ut * fix config error * add val_cfg and test_cfg * refactor clip generator * fix lint * pass check * fix ut * add lars * update type of BEiT in configs * Use MMEngine style momentum in EMA. * apply mmpretrain solarize --------- Co-authored-by: mzr1996 <mzr1996@163.com>
58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
_base_ = [
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'../_base_/datasets/imagenet_bs32_simclr.py',
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'../_base_/schedules/imagenet_lars_coslr_200e.py',
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'../_base_/default_runtime.py',
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]
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# model settings
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model = dict(
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type='SimCLR',
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backbone=dict(
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type='ResNet',
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depth=50,
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norm_cfg=dict(type='SyncBN'),
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zero_init_residual=True),
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neck=dict(
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type='NonLinearNeck', # SimCLR non-linear neck
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in_channels=2048,
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hid_channels=2048,
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out_channels=128,
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num_layers=2,
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with_avg_pool=True),
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head=dict(
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type='ContrastiveHead',
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loss=dict(type='CrossEntropyLoss'),
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temperature=0.1),
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)
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# optimizer
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optim_wrapper = dict(
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type='OptimWrapper',
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optimizer=dict(type='LARS', lr=4.8, momentum=0.9, weight_decay=1e-6),
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paramwise_cfg=dict(
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custom_keys={
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'bn': dict(decay_mult=0, lars_exclude=True),
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'bias': dict(decay_mult=0, lars_exclude=True),
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# bn layer in ResNet block downsample module
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'downsample.1': dict(decay_mult=0, lars_exclude=True),
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}))
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# learning rate scheduler
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param_scheduler = [
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dict(
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type='LinearLR',
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start_factor=1e-4,
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by_epoch=True,
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begin=0,
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end=10,
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convert_to_iter_based=True),
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dict(
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type='CosineAnnealingLR', T_max=790, by_epoch=True, begin=10, end=800)
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]
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# runtime settings
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train_cfg = dict(max_epochs=800)
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default_hooks = dict(
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# only keeps the latest 3 checkpoints
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checkpoint=dict(type='CheckpointHook', interval=10, max_keep_ckpts=3))
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