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openvino/ngraph/python/tests/test_ngraph/util.py

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Python

# ******************************************************************************
# Copyright 2017-2020 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ******************************************************************************
from typing import Any, Callable, List
import numpy as np
import ngraph as ng
from ngraph.utils.types import NumericData
from tests.runtime import get_runtime
def _get_numpy_dtype(scalar):
return np.array([scalar]).dtype
def run_op_node(input_data, op_fun, *args):
# type: (NumericData, Callable, *Any) -> List[NumericData]
"""Run computation on node performing `op_fun`.
`op_fun` has to accept a node as an argument.
This function converts passed raw input data to nGraph Constant Node and that form is passed
to `op_fun`.
:param input_data: The input data for performed computation.
:param op_fun: The function handler for operation we want to carry out.
:param args: The arguments passed to operation we want to carry out.
:return: The result from computations.
"""
runtime = get_runtime()
comp_args = []
op_fun_args = []
comp_inputs = []
for data in input_data:
op_fun_args.append(ng.constant(data, _get_numpy_dtype(data)))
op_fun_args.extend(args)
node = op_fun(*op_fun_args)
computation = runtime.computation(node, *comp_args)
return computation(*comp_inputs)
def run_op_numeric_data(input_data, op_fun, *args):
# type: (NumericData, Callable, *Any) -> List[NumericData]
"""Run computation on node performing `op_fun`.
`op_fun` has to accept a scalar or an array.
This function passess input data AS IS. This mean that in case they're a scalar (integral,
or floating point value) or a NumPy's ndarray object they will be automatically converted
to nGraph's Constant Nodes.
:param input_data: The input data for performed computation.
:param op_fun: The function handler for operation we want to carry out.
:param args: The arguments passed to operation we want to carry out.
:return: The result from computations.
"""
runtime = get_runtime()
node = op_fun(input_data, *args)
computation = runtime.computation(node)
return computation()