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pruner.py
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pruner.py
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from nni.algorithms.compression.pytorch.pruning import LevelPruner, SlimPruner, L2FilterPruner, \
L1FilterPruner
def get_pruner(pruner_name, model, sparsity=0.5):
if pruner_name == "l1unstructure":
config_list = [{
'sparsity': sparsity,
'op_types': ["default"]
}]
return LevelPruner(model, config_list)
elif pruner_name == "slim":
config_list = [{
'sparsity': sparsity,
'op_types': ["BatchNorm2d"]
}]
return SlimPruner(model, config_list)
elif pruner_name == "l1structure":
config_list = [{
'sparsity': sparsity,
'op_types': ['Conv2d']
}]
return L1FilterPruner(model, config_list)
elif pruner_name == "l2structure":
config_list = [{
'sparsity': sparsity,
'op_types': ['Conv2d']
}]
return L2FilterPruner(model, config_list)
else:
raise ValueError