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| from functools import partial | |
| import torch.nn as nn | |
| from timm.data import IMAGENET_DEFAULT_MEAN, IMAGENET_DEFAULT_STD | |
| from .efficientnet_blocks import SqueezeExcite | |
| from .efficientnet_builder import decode_arch_def, resolve_act_layer, resolve_bn_args, round_channels | |
| from .helpers import build_model_with_cfg, default_cfg_for_features | |
| from .layers import get_act_fn | |
| from .mobilenetv3 import MobileNetV3, MobileNetV3Features | |
| from .registry import register_model | |
| def _cfg(url='', **kwargs): | |
| return { | |
| 'url': url, 'num_classes': 1000, 'input_size': (3, 224, 224), 'pool_size': (1, 1), | |
| 'crop_pct': 0.875, 'interpolation': 'bilinear', | |
| 'mean': IMAGENET_DEFAULT_MEAN, 'std': IMAGENET_DEFAULT_STD, | |
| 'first_conv': 'conv_stem', 'classifier': 'classifier', | |
| **kwargs | |
| } | |
| default_cfgs = { | |
| 'hardcorenas_a': _cfg(url='https://miil-public-eu.oss-eu-central-1.aliyuncs.com/public/HardCoReNAS/HardCoreNAS_A_Green_38ms_75.9_23474aeb.pth'), | |
| 'hardcorenas_b': _cfg(url='https://miil-public-eu.oss-eu-central-1.aliyuncs.com/public/HardCoReNAS/HardCoreNAS_B_Green_40ms_76.5_1f882d1e.pth'), | |
| 'hardcorenas_c': _cfg(url='https://miil-public-eu.oss-eu-central-1.aliyuncs.com/public/HardCoReNAS/HardCoreNAS_C_Green_44ms_77.1_d4148c9e.pth'), | |
| 'hardcorenas_d': _cfg(url='https://miil-public-eu.oss-eu-central-1.aliyuncs.com/public/HardCoReNAS/HardCoreNAS_D_Green_50ms_77.4_23e3cdde.pth'), | |
| 'hardcorenas_e': _cfg(url='https://miil-public-eu.oss-eu-central-1.aliyuncs.com/public/HardCoReNAS/HardCoreNAS_E_Green_55ms_77.9_90f20e8a.pth'), | |
| 'hardcorenas_f': _cfg(url='https://miil-public-eu.oss-eu-central-1.aliyuncs.com/public/HardCoReNAS/HardCoreNAS_F_Green_60ms_78.1_2855edf1.pth'), | |
| } | |
| def _gen_hardcorenas(pretrained, variant, arch_def, **kwargs): | |
| """Creates a hardcorenas model | |
| Ref impl: https://github.com/Alibaba-MIIL/HardCoReNAS | |
| Paper: https://arxiv.org/abs/2102.11646 | |
| """ | |
| num_features = 1280 | |
| se_layer = partial(SqueezeExcite, gate_layer='hard_sigmoid', force_act_layer=nn.ReLU, rd_round_fn=round_channels) | |
| model_kwargs = dict( | |
| block_args=decode_arch_def(arch_def), | |
| num_features=num_features, | |
| stem_size=32, | |
| norm_layer=partial(nn.BatchNorm2d, **resolve_bn_args(kwargs)), | |
| act_layer=resolve_act_layer(kwargs, 'hard_swish'), | |
| se_layer=se_layer, | |
| **kwargs, | |
| ) | |
| features_only = False | |
| model_cls = MobileNetV3 | |
| kwargs_filter = None | |
| if model_kwargs.pop('features_only', False): | |
| features_only = True | |
| kwargs_filter = ('num_classes', 'num_features', 'global_pool', 'head_conv', 'head_bias', 'global_pool') | |
| model_cls = MobileNetV3Features | |
| model = build_model_with_cfg( | |
| model_cls, variant, pretrained, | |
| default_cfg=default_cfgs[variant], | |
| pretrained_strict=not features_only, | |
| kwargs_filter=kwargs_filter, | |
| **model_kwargs) | |
| if features_only: | |
| model.default_cfg = default_cfg_for_features(model.default_cfg) | |
| return model | |
| def hardcorenas_a(pretrained=False, **kwargs): | |
| """ hardcorenas_A """ | |
| arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre', 'ir_r1_k5_s1_e3_c24_nre_se0.25'], | |
| ['ir_r1_k5_s2_e3_c40_nre', 'ir_r1_k5_s1_e6_c40_nre_se0.25'], | |
| ['ir_r1_k5_s2_e6_c80_se0.25', 'ir_r1_k5_s1_e6_c80_se0.25'], | |
| ['ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25'], | |
| ['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25'], ['cn_r1_k1_s1_c960']] | |
| model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_a', arch_def=arch_def, **kwargs) | |
| return model | |
| def hardcorenas_b(pretrained=False, **kwargs): | |
| """ hardcorenas_B """ | |
| arch_def = [['ds_r1_k3_s1_e1_c16_nre'], | |
| ['ir_r1_k5_s2_e3_c24_nre', 'ir_r1_k5_s1_e3_c24_nre_se0.25', 'ir_r1_k3_s1_e3_c24_nre'], | |
| ['ir_r1_k5_s2_e3_c40_nre', 'ir_r1_k5_s1_e3_c40_nre', 'ir_r1_k5_s1_e3_c40_nre'], | |
| ['ir_r1_k5_s2_e3_c80', 'ir_r1_k5_s1_e3_c80', 'ir_r1_k3_s1_e3_c80', 'ir_r1_k3_s1_e3_c80'], | |
| ['ir_r1_k5_s1_e3_c112', 'ir_r1_k3_s1_e3_c112', 'ir_r1_k3_s1_e3_c112', 'ir_r1_k3_s1_e3_c112'], | |
| ['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k3_s1_e3_c192_se0.25'], | |
| ['cn_r1_k1_s1_c960']] | |
| model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_b', arch_def=arch_def, **kwargs) | |
| return model | |
| def hardcorenas_c(pretrained=False, **kwargs): | |
| """ hardcorenas_C """ | |
| arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre', 'ir_r1_k5_s1_e3_c24_nre_se0.25'], | |
| ['ir_r1_k5_s2_e3_c40_nre', 'ir_r1_k5_s1_e3_c40_nre', 'ir_r1_k5_s1_e3_c40_nre', | |
| 'ir_r1_k5_s1_e3_c40_nre'], | |
| ['ir_r1_k5_s2_e4_c80', 'ir_r1_k5_s1_e6_c80_se0.25', 'ir_r1_k3_s1_e3_c80', 'ir_r1_k3_s1_e3_c80'], | |
| ['ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k3_s1_e3_c112', 'ir_r1_k3_s1_e3_c112', 'ir_r1_k3_s1_e3_c112'], | |
| ['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k3_s1_e3_c192_se0.25'], | |
| ['cn_r1_k1_s1_c960']] | |
| model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_c', arch_def=arch_def, **kwargs) | |
| return model | |
| def hardcorenas_d(pretrained=False, **kwargs): | |
| """ hardcorenas_D """ | |
| arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre_se0.25', 'ir_r1_k5_s1_e3_c24_nre_se0.25'], | |
| ['ir_r1_k5_s2_e3_c40_nre_se0.25', 'ir_r1_k5_s1_e4_c40_nre_se0.25', 'ir_r1_k3_s1_e3_c40_nre_se0.25'], | |
| ['ir_r1_k5_s2_e4_c80_se0.25', 'ir_r1_k3_s1_e3_c80_se0.25', 'ir_r1_k3_s1_e3_c80_se0.25', | |
| 'ir_r1_k3_s1_e3_c80_se0.25'], | |
| ['ir_r1_k3_s1_e4_c112_se0.25', 'ir_r1_k5_s1_e4_c112_se0.25', 'ir_r1_k3_s1_e3_c112_se0.25', | |
| 'ir_r1_k5_s1_e3_c112_se0.25'], | |
| ['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', | |
| 'ir_r1_k3_s1_e6_c192_se0.25'], ['cn_r1_k1_s1_c960']] | |
| model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_d', arch_def=arch_def, **kwargs) | |
| return model | |
| def hardcorenas_e(pretrained=False, **kwargs): | |
| """ hardcorenas_E """ | |
| arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre_se0.25', 'ir_r1_k5_s1_e3_c24_nre_se0.25'], | |
| ['ir_r1_k5_s2_e6_c40_nre_se0.25', 'ir_r1_k5_s1_e4_c40_nre_se0.25', 'ir_r1_k5_s1_e4_c40_nre_se0.25', | |
| 'ir_r1_k3_s1_e3_c40_nre_se0.25'], ['ir_r1_k5_s2_e4_c80_se0.25', 'ir_r1_k3_s1_e6_c80_se0.25'], | |
| ['ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25', | |
| 'ir_r1_k5_s1_e3_c112_se0.25'], | |
| ['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', | |
| 'ir_r1_k3_s1_e6_c192_se0.25'], ['cn_r1_k1_s1_c960']] | |
| model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_e', arch_def=arch_def, **kwargs) | |
| return model | |
| def hardcorenas_f(pretrained=False, **kwargs): | |
| """ hardcorenas_F """ | |
| arch_def = [['ds_r1_k3_s1_e1_c16_nre'], ['ir_r1_k5_s2_e3_c24_nre_se0.25', 'ir_r1_k5_s1_e3_c24_nre_se0.25'], | |
| ['ir_r1_k5_s2_e6_c40_nre_se0.25', 'ir_r1_k5_s1_e6_c40_nre_se0.25'], | |
| ['ir_r1_k5_s2_e6_c80_se0.25', 'ir_r1_k5_s1_e6_c80_se0.25', 'ir_r1_k3_s1_e3_c80_se0.25', | |
| 'ir_r1_k3_s1_e3_c80_se0.25'], | |
| ['ir_r1_k3_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25', 'ir_r1_k5_s1_e6_c112_se0.25', | |
| 'ir_r1_k3_s1_e3_c112_se0.25'], | |
| ['ir_r1_k5_s2_e6_c192_se0.25', 'ir_r1_k5_s1_e6_c192_se0.25', 'ir_r1_k3_s1_e6_c192_se0.25', | |
| 'ir_r1_k3_s1_e6_c192_se0.25'], ['cn_r1_k1_s1_c960']] | |
| model = _gen_hardcorenas(pretrained=pretrained, variant='hardcorenas_f', arch_def=arch_def, **kwargs) | |
| return model | |