43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
"""
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Copyright (C) 2018-2020 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from extensions.ops.topk import TopK
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from mo.front.extractor import FrontExtractorOp
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from mo.front.onnx.extractors.utils import onnx_attr, onnx_node_has_attr
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class TopKExtractor(FrontExtractorOp):
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op = 'TopK'
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enabled = True
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@classmethod
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def extract(cls, node):
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"""
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TopK-1 (k as attribute, required)
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TopK-10 (k as input, no sorting manipulations)
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TopK-11 (k as input, sorting manipulations through `sorted` and `largest` attrs)
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"""
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attrs = {
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'axis': onnx_attr(node, 'axis', 'i', default=-1)
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}
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if onnx_node_has_attr(node, 'k'):
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attrs['k'] = onnx_attr(node, 'k', 'i')
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attrs['sort'] = 'value' if onnx_attr(node, 'sorted', 'i', default=1) else 'none'
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attrs['mode'] = 'max' if onnx_attr(node, 'largest', 'i', default=1) else 'min'
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TopK.update_node_stat(node, attrs)
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return cls.enabled
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