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HardCoRe-NAS

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HardCoRe-NAS

Category: Efficient/Mobile · Code: timm/models/hardcorenas.py · Architectures: 6 · Pretrained weights: 6 (6 with ImageNet-1k results)

Mobile networks found by HardCoRe-NAS, a differentiable neural architecture search with hard latency constraints, built on the MobileNetV3 class.

Papers

Usage

See the Quickstart for loading pretrained weights, image preprocessing and fine-tuning, and Feature Extraction for using the models as backbones.

>>> import timm
>>> model = timm.create_model('hardcorenas_f.miil_green_in1k', pretrained=True)
>>> data_config = timm.data.resolve_model_data_config(model)

Model API support

FeatureMobileNetV3
features_only=True feature maps✓ (strides 2, 4, 8, 16, 32)
forward_intermediates()✓
prune_intermediate_layers()✓
Any input size, no changes needed✓
set_input_size()–
dynamic_img_size=True–
set_grad_checkpointing()✓
Layer-wise LR decay (group_matcher())✓
reset_classifier()✓

✓ supported, ✓ (square) works for square sizes only, ✗ not supported, – not needed (the model already accepts any input size). Checked by running each feature on a randomly initialized model (MobileNetV3 with hardcorenas_b at 224), other architectures of the same class are expected to behave the same. See the Model API page for details.

Architectures

ArchitectureParams (M)GMACsInput sizePretrained weights
hardcorenas_a5.260.232241
hardcorenas_b5.180.262241
hardcorenas_c5.520.282241
hardcorenas_d7.500.302241
hardcorenas_e8.070.352241
hardcorenas_f8.200.352241

GMACs and parameter counts are for the default input size and classifier of each architecture, from the benchmark results.

Pretrained weights

Top-1 is ImageNet-1k validation accuracy from results-imagenet.csv at the listed eval size, - if the weight has no ImageNet-1k result (e.g. pretraining or image-text weights). Classes is the size of the pretrained classifier, none for weights without one.

WeightInput sizeTop-1 (%)Eval sizeClassesLicenseHub
hardcorenas_a.miil_green_in1k22475.9262241000apache-2.0timm
hardcorenas_b.miil_green_in1k22476.5502241000apache-2.0timm
hardcorenas_c.miil_green_in1k22477.0922241000apache-2.0timm
hardcorenas_d.miil_green_in1k22477.4502241000apache-2.0timm
hardcorenas_e.miil_green_in1k22477.7882241000apache-2.0timm
hardcorenas_f.miil_green_in1k22478.1002241000apache-2.0timm
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