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# Copyright (C) 2020 Arm Limited or its affiliates. All rights reserved.
#
# SPDX-License-Identifier: Apache-2.0
#
# 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
#
# 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.
#
# Description:
# Unit tests for graph_optimiser
import numpy as np
from ethosu.vela.graph_optimiser import convert_batched_fc_shape
from ethosu.vela.operation import Op
from ethosu.vela.tensor import create_const_tensor
from ethosu.vela.tensor import Tensor
from ethosu.vela.test import testutil
def test_convert_batched_fc():
"""Tests shape conversion of batched fully connected"""
shape = [4, 8]
ifm = create_const_tensor("test_in", shape, np.uint8, np.zeros(shape))
weights = create_const_tensor("weight_in", shape, np.uint8, np.zeros(shape))
ofm = Tensor(ifm.shape, np.uint8, "test_out")
op = testutil.create_op(Op.FullyConnected, [ifm, weights], ofm)
ifm.consumer_list.append(op)
prev_op = op.clone()
conv_op = convert_batched_fc_shape(op, None, None)
assert conv_op.ifm != prev_op.ifm
assert conv_op.ofm != prev_op.ofm
assert conv_op.type == Op.FullyConnected
assert len(conv_op.ifm.shape) == 4
assert conv_op.ifm.shape == conv_op.ofm.shape
assert conv_op.ifm.ops[0].type == Op.Reshape
shape = [1, 8]
ifm.shape = shape
weights.shape = shape
ofm.shape = shape
op = testutil.create_op(Op.FullyConnected, [ifm, weights], ofm)
ifm.consumer_list.append(op)
prev_op = op.clone()
conv_op = convert_batched_fc_shape(op, None, None)
assert conv_op.ifm == prev_op.ifm
assert conv_op.ofm == prev_op.ofm
assert conv_op.type == Op.FullyConnected
assert len(conv_op.ifm.shape) == 2
assert conv_op.ifm.shape == conv_op.ofm.shape
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