39 lines
2.1 KiB
Python
39 lines
2.1 KiB
Python
# Copyright (C) 2018-2021 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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import numpy as np
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from mo.front.common.replacement import FrontReplacementOp
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from mo.graph.graph import Graph
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from mo.ops.const import Const
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from mo.ops.strided_slice import StridedSlice
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class MXSliceToStridedSliceReplacer(FrontReplacementOp):
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op = 'MXSlice'
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enabled = True
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def replace_sub_graph(self, graph: Graph, match: dict):
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node = match['op']
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strided_slice_node = StridedSlice(graph, dict(name=node.id + '/strided_slice_',
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shrink_axis_mask=np.array(np.zeros(len(node.crop_begin), dtype=np.int64)),
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new_axis_mask=np.array(np.zeros(len(node.crop_begin), dtype=np.int64)),
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ellipsis_mask=np.array(np.zeros(len(node.crop_begin), dtype=np.int64)),
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begin_mask=np.array(np.ones(len(node.crop_begin), dtype=np.int64)),
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end_mask=np.array(np.ones(len(node.crop_end), dtype=np.int64)))).create_node()
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node.in_port(0).get_connection().set_destination(strided_slice_node.in_port(0))
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node.out_port(0).get_connection().set_source(strided_slice_node.out_port(0))
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crop_begin_node = Const(graph, dict(value=node.crop_begin,
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symbol_dict={'name': node.id + '/crop_begin_const'})).create_node()
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crop_end_node = Const(graph, dict(value=node.crop_end,
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symbol_dict={'name': node.id + '/crop_end_const'})).create_node()
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strided_slice_node.in_port(1).get_connection().set_source(crop_begin_node.out_port(0))
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strided_slice_node.in_port(2).get_connection().set_source(crop_end_node.out_port(0))
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if len(node.step) > 0:
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stride_node = Const(graph, dict(value=node.step,
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symbol_dict={'name': node.id + '/steps_const'})).create_node()
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strided_slice_node.in_port(3).get_connection().set_source(stride_node.out_port(0))
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