forked from huawei/mindspore2022
55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
# Copyright 2020-2021 Huawei Technologies Co., Ltd
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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"""generate json desc for Tile"""
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from mindspore._extends.graph_kernel.model.model import GraphKernelUnsupportedException as GKException
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from mindspore._extends.graph_kernel.model.model import DataFormat as DF
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from ._utils import Expander, ExpanderInfoValidator as VLD
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@VLD.add_format(DF.DEFAULT)
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@VLD.check_attrs('multiples')
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class Tile(Expander):
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"""Tile expander"""
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def _get_output_shape(self):
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"""Get output shape"""
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shape = self.inputs[0].shape
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multiples = self.attrs["multiples"]
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shape = list(shape)
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multiples = list(multiples)
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diff_len = len(multiples) - len(shape)
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if diff_len < 0:
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raise GKException("Dimensions of multiples{} < dimensions of input{} in Tile".format(multiples, shape))
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if diff_len > 0:
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for _ in range(diff_len):
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shape.insert(0, 1)
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output_shape = []
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for sh, mul in list(zip(shape, multiples)):
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if sh != 1 and mul != 1:
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raise GKException("Tile op in expander only Support Automatic Broadcast!")
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dim = sh * mul
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output_shape.append(dim)
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return output_shape
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def _expand(self, graph_builder):
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input_x = self.inputs[0]
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output_shape = self._get_output_shape()
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result = graph_builder.emit('BroadcastTo', [input_x], attrs={'shape': output_shape})
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return result
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