| # 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: |
| # Contains unit tests for npu_encode_weights API for an external consumer |
| import numpy as np |
| import pytest |
| |
| from ethosu.vela.api import npu_encode_weights |
| from ethosu.vela.api import NpuAccelerator |
| from ethosu.vela.api import NpuBlockTraversal |
| |
| |
| @pytest.mark.parametrize( |
| "arch", list(NpuAccelerator), |
| ) |
| @pytest.mark.parametrize("dilation_x", [1, 2]) |
| @pytest.mark.parametrize("dilation_y", [1, 2]) |
| @pytest.mark.parametrize("ifm_bitdepth", [8, 16]) |
| @pytest.mark.parametrize("depth_control", [1, 2, 3]) |
| @pytest.mark.parametrize("weights_shape_and_block_depth", [((16, 16, 16, 16), 8), ((3, 3, 25, 16), 8)]) |
| def test_encode_weights( |
| arch, weights_shape_and_block_depth, dilation_x, dilation_y, ifm_bitdepth, depth_control, |
| ): |
| """ |
| This unit test checks the interface of the API function but not the functionality. |
| Functional correctness is tested at a system level. |
| """ |
| |
| weights_shape = weights_shape_and_block_depth[0] |
| ofm_block_depth = weights_shape_and_block_depth[1] |
| val_max = np.iinfo(np.uint8).max |
| weights_hwio = np.random.randint(val_max, size=weights_shape, dtype=np.uint8) |
| weights_ohwi = np.transpose(weights_hwio, (3, 0, 1, 2)) |
| is_depthwise = True if depth_control == 2 else False |
| block_traversal = NpuBlockTraversal.PART_KERNEL_FIRST if depth_control == 3 else NpuBlockTraversal.DEPTH_FIRST |
| dilation_xy = (dilation_x, dilation_y) |
| |
| encoded_stream = npu_encode_weights( |
| accelerator=arch, |
| weights_volume=weights_ohwi, |
| dilation_xy=dilation_xy, |
| ifm_bitdepth=ifm_bitdepth, |
| ofm_block_depth=ofm_block_depth, |
| is_depthwise=is_depthwise, |
| block_traversal=block_traversal, |
| ) |
| assert type(encoded_stream) == bytearray |