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author | Michele Di Giorgio <michele.digiorgio@arm.com> | 2018-05-01 16:52:00 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:50:48 +0000 |
commit | 721756352e68602fe6aaf90b3ca031c947cd2176 (patch) | |
tree | 33921f257424524e82d8aeaec62447f4dbc5b440 /tests/validation/reference/ChannelShuffle.cpp | |
parent | c0f54434383f945d95f95549c1c4b0d5f5d2caff (diff) | |
download | ComputeLibrary-721756352e68602fe6aaf90b3ca031c947cd2176.tar.gz |
COMPMID-1107: Add support for ChannelShuffle in CL
Change-Id: I56d2a02b316f0c69ff1fd7220e732f775414fe69
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/129709
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Diffstat (limited to 'tests/validation/reference/ChannelShuffle.cpp')
-rw-r--r-- | tests/validation/reference/ChannelShuffle.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/validation/reference/ChannelShuffle.cpp b/tests/validation/reference/ChannelShuffle.cpp new file mode 100644 index 0000000000..790eff53a0 --- /dev/null +++ b/tests/validation/reference/ChannelShuffle.cpp @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2018 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "ChannelShuffle.h" + +#include "arm_compute/core/Types.h" +#include "tests/validation/Helpers.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +// Refence implementation for channel shuffle taken from https://github.com/pytorch/pytorch/blob/master/caffe2/operators/channel_shuffle_op.h +template <typename T> +SimpleTensor<T> channel_shuffle(const SimpleTensor<T> &src, int num_groups) +{ + // Create reference + SimpleTensor<T> dst{ src.shape(), src.data_type(), src.num_channels(), src.fixed_point_position(), src.quantization_info() }; + + const int M = src.shape()[0]; + const int N = src.shape()[1]; + const int num_channels = src.shape()[2]; + const int batches = src.shape()[3]; + const int MxN = M * N; + const int channels_in_group = num_channels / num_groups; + + const T *src_ref = src.data(); + T *dst_ref = dst.data(); + + for(int n = 0; n < batches; ++n) + { + for(int g = 0; g < num_groups; ++g) + { + // Gather the group g block (of size channels_in_group * MxN) from output channels + // g + 0 * G, g + 1 * G, g + 2 * G, g + G * (K - 1) etc. + const T *src_ptr = src_ref + g * MxN + n * num_channels * MxN; + T *dst_ptr = dst_ref + g * channels_in_group * MxN + n * num_channels * MxN; + for(int i = 0; i < channels_in_group; ++i) + { + std::copy(src_ptr + i * num_groups * MxN, + src_ptr + (i * num_groups + 1) * MxN, + dst_ptr + i * MxN); + } + } + } + + return dst; +} + +template SimpleTensor<uint8_t> channel_shuffle(const SimpleTensor<uint8_t> &src, int num_groups); +template SimpleTensor<uint16_t> channel_shuffle(const SimpleTensor<uint16_t> &src, int num_groups); +template SimpleTensor<uint32_t> channel_shuffle(const SimpleTensor<uint32_t> &src, int num_groups); +template SimpleTensor<half> channel_shuffle(const SimpleTensor<half> &src, int num_groups); +template SimpleTensor<float> channel_shuffle(const SimpleTensor<float> &src, int num_groups); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute |