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'''
 * Copyright (c) 2023 Salesforce, Inc.
 * All rights reserved.
 * SPDX-License-Identifier: Apache License 2.0
 * For full license text, see LICENSE.txt file in the repo root or http://www.apache.org/licenses/
 * By Can Qin
 * Modified from ControlNet repo: https://github.com/lllyasviel/ControlNet
 * Copyright (c) 2023 Lvmin Zhang and Maneesh Agrawala
 * Modified from UniFormer repo: From https://github.com/Sense-X/UniFormer
 * Apache-2.0 license
'''
_base_ = [
    '../../configs/_base_/models/upernet_uniformer.py', 
    '../../configs/_base_/datasets/ade20k.py',
    '../../configs/_base_/default_runtime.py', 
    '../../configs/_base_/schedules/schedule_160k.py'
]
model = dict(
    backbone=dict(
        type='UniFormer',
        embed_dim=[64, 128, 320, 512],
        layers=[3, 4, 8, 3],
        head_dim=64,
        drop_path_rate=0.25,
        windows=False,
        hybrid=False,
    ),
    decode_head=dict(
        in_channels=[64, 128, 320, 512],
        num_classes=150
    ),
    auxiliary_head=dict(
        in_channels=320,
        num_classes=150
    ))

# AdamW optimizer, no weight decay for position embedding & layer norm in backbone
optimizer = dict(_delete_=True, type='AdamW', lr=0.00006, betas=(0.9, 0.999), weight_decay=0.01,
                 paramwise_cfg=dict(custom_keys={'absolute_pos_embed': dict(decay_mult=0.),
                                                 'relative_position_bias_table': dict(decay_mult=0.),
                                                 'norm': dict(decay_mult=0.)}))

lr_config = dict(_delete_=True, policy='poly',
                 warmup='linear',
                 warmup_iters=1500,
                 warmup_ratio=1e-6,
                 power=1.0, min_lr=0.0, by_epoch=False)

data=dict(samples_per_gpu=2)