From 000d33a0e4bfc129a8f2968d4e5ee0793df70a1e Mon Sep 17 00:00:00 2001 From: Pablo Tello Date: Mon, 3 Sep 2018 16:59:20 +0100 Subject: COMPMID-1552: support kernels sizes 1x7, 7x1, 1x5, 5x1 in NEWinograd Refactored the validate method to make it easier to maintain in the future when adding support for new kernels sizes Change-Id: I12d9fe7af15ceb0e655cef61ca94407558fb29e8 Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/146713 Tested-by: Jenkins Reviewed-by: Michalis Spyrou Reviewed-by: Anthony Barbier --- .../winograd/transforms/output_2_7_fp32.cpp | 170 ++++++++++++++++++++ .../winograd/transforms/output_4_5_fp32.cpp | 178 +++++++++++++++++++++ .../winograd/transforms/weights_2_7_fp32.cpp | 124 ++++++++++++++ .../winograd/transforms/weights_4_5_fp32.cpp | 124 ++++++++++++++ .../kernels/convolution/winograd/winograd_gemm.cpp | 9 ++ 5 files changed, 605 insertions(+) create mode 100644 src/core/NEON/kernels/convolution/winograd/transforms/output_2_7_fp32.cpp create mode 100644 src/core/NEON/kernels/convolution/winograd/transforms/output_4_5_fp32.cpp create mode 100644 src/core/NEON/kernels/convolution/winograd/transforms/weights_2_7_fp32.cpp create mode 100644 src/core/NEON/kernels/convolution/winograd/transforms/weights_4_5_fp32.cpp (limited to 'src/core/NEON/kernels/convolution') diff --git a/src/core/NEON/kernels/convolution/winograd/transforms/output_2_7_fp32.cpp b/src/core/NEON/kernels/convolution/winograd/transforms/output_2_7_fp32.cpp new file mode 100644 index 0000000000..cfd2029f11 --- /dev/null +++ b/src/core/NEON/kernels/convolution/winograd/transforms/output_2_7_fp32.cpp @@ -0,0 +1,170 @@ +/* + * Copyright (c) 2017 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 "arm_compute/core/NEON/kernels/convolution/winograd/transforms/output.hpp" +#include "arm_compute/core/NEON/kernels/convolution/winograd/winograd_gemm.hpp" +#include "arm_compute/core/NEON/kernels/convolution/common/arm.hpp" + +namespace winograd +{ + +using Transform = WinogradGEMM<1, 2, 1, 7>::OutputTransform; +using TransformTransposed = WinogradGEMM<2, 1, 7, 1>::OutputTransform; + +template <> +template <> +int Transform::ops_performed(const Tensor4DShape &shape) +{ + (void) shape; + return 0; // TODO +} + +template <> +template <> +template +void Transform::process_tile( + const int n_channels, + const float* const matrix_base, + const int matrix_stride, + const float* const biases, + float* const output, + const int output_row_stride, + const int output_col_stride +) +{ + (void) output_row_stride; + constexpr int cells_j = output_tile_cols - pad_right; + + // Construct a map to the output cells + float *outptrs[cells_j]; + for (int j = 0; j < cells_j; j++) + { + outptrs[j] = output + j*output_col_stride; + } + const float *inptr = matrix_base; + const float *bptr = biases; + + // For each channel of the output + int channels_remaining = n_channels; +#ifdef __arm_any__ + for (; channels_remaining >= 4; channels_remaining -= 4) + { + // Matrices used and computed during this transform + float32x4_t F[inner_tile_cols], f[output_tile_cols], b = vdupq_n_f32(0.0f); + + // Read a 1x8 tile in the Winograd domain + for (int j = 0; j < inner_tile_cols; j++) + { + F[j] = vld1q_f32(inptr + j*matrix_stride); + } + inptr += 4; + + f[0] = vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmulq_n_f32(F[6], 1), F[5], 1), F[4], 1), F[3], 1), F[2], 1), F[1], 1), F[0], 1); + f[1] = vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmulq_n_f32(F[7], 1), F[2], 1), F[6], 3), F[4], 2), F[3], -2), F[5], -3), F[1], -1); + + // Write out the output tile + if (bptr != 0) + { + b = vld1q_f32(bptr); + bptr += 4; + } + for (int j = 0; j < cells_j; j++) + { + vst1q_f32(outptrs[j], f[j] + b); + outptrs[j] += 4; + } + } + for (; channels_remaining >= 2; channels_remaining -= 2) + { + // Matrices used and computed during this transform + float32x2_t F[inner_tile_cols], f[output_tile_cols], b = vdup_n_f32(0.0f); + + // Read a 1x8 tile in the Winograd domain + for (int j = 0; j < inner_tile_cols; j++) + { + F[j] = vld1_f32(inptr + j*matrix_stride); + } + inptr += 2; + + f[0] = vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmul_n_f32(F[6], 1), F[5], 1), F[4], 1), F[3], 1), F[2], 1), F[1], 1), F[0], 1); + f[1] = vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmul_n_f32(F[7], 1), F[2], 1), F[6], 3), F[4], 2), F[3], -2), F[5], -3), F[1], -1); + + // Write out the output tile + if (bptr != 0) + { + b = vld1_f32(bptr); + bptr += 2; + } + for (int j = 0; j < cells_j; j++) + { + vst1_f32(outptrs[j], f[j] + b); + outptrs[j] += 2; + } + } +#endif // __arm_any__ + for (; channels_remaining; channels_remaining--) + { + // Matrices used and computed during this transform + float F[inner_tile_cols], f[output_tile_cols], b = 0.0f; + + // Read a 1x8 tile in the Winograd domain + for (int j = 0; j < inner_tile_cols; j++) + { + F[j] = *(inptr + j*matrix_stride); + } + inptr++; + + f[0] = F[0]*1 + F[1]*1 + F[2]*1 + F[3]*1 + F[4]*1 + F[5]*1 + F[6]*1; + f[1] = F[1]*-1 + F[5]*-3 + F[3]*-2 + F[4]*2 + F[6]*3 + F[2]*1 + F[7]*1; + + // Write out the output tile + if (bptr != 0) + { + b = *(bptr++); + } + for (int j = 0; j < cells_j; j++) + { + *(outptrs[j]++) = f[j] + b; + } + } +} + +template <> +template <> +const Transform::TileFn Transform::tile_fns[max_pad_bottom][max_pad_right] = +{ + { + Transform::template process_tile<0, 0>, + Transform::template process_tile<0, 1>, + }, +}; + + +template <> +template <> +const TransformTransposed::TileFn TransformTransposed::tile_fns[max_pad_bottom][max_pad_right] = {}; + +template struct WinogradGEMM<1, 2, 1, 7>::OutputTransform; +template struct WinogradGEMM<2, 1, 7, 1>::OutputTransform; +} // namespace winograd diff --git a/src/core/NEON/kernels/convolution/winograd/transforms/output_4_5_fp32.cpp b/src/core/NEON/kernels/convolution/winograd/transforms/output_4_5_fp32.cpp new file mode 100644 index 0000000000..2417f527bf --- /dev/null +++ b/src/core/NEON/kernels/convolution/winograd/transforms/output_4_5_fp32.cpp @@ -0,0 +1,178 @@ +/* + * Copyright (c) 2017 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 "arm_compute/core/NEON/kernels/convolution/winograd/transforms/output.hpp" +#include "arm_compute/core/NEON/kernels/convolution/winograd/winograd_gemm.hpp" +#include "arm_compute/core/NEON/kernels/convolution/common/arm.hpp" + +namespace winograd +{ + +using Transform = WinogradGEMM<1, 4, 1, 5>::OutputTransform; +using TransformTransposed = WinogradGEMM<4, 1, 5, 1>::OutputTransform; + +template <> +template <> +int Transform::ops_performed(const Tensor4DShape &shape) +{ + (void) shape; + return 0; // TODO +} + +template <> +template <> +template +void Transform::process_tile( + const int n_channels, + const float* const matrix_base, + const int matrix_stride, + const float* const biases, + float* const output, + const int output_row_stride, + const int output_col_stride +) +{ + (void) output_row_stride; + constexpr int cells_j = output_tile_cols - pad_right; + + // Construct a map to the output cells + float *outptrs[cells_j]; + for (int j = 0; j < cells_j; j++) + { + outptrs[j] = output + j*output_col_stride; + } + const float *inptr = matrix_base; + const float *bptr = biases; + + // For each channel of the output + int channels_remaining = n_channels; +#ifdef __arm_any__ + for (; channels_remaining >= 4; channels_remaining -= 4) + { + // Matrices used and computed during this transform + float32x4_t F[inner_tile_cols], f[output_tile_cols], b = vdupq_n_f32(0.0f); + + // Read a 1x8 tile in the Winograd domain + for (int j = 0; j < inner_tile_cols; j++) + { + F[j] = vld1q_f32(inptr + j*matrix_stride); + } + inptr += 4; + + f[0] = vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmulq_n_f32(F[6], 1), F[5], 1), F[4], 1), F[3], 1), F[2], 1), F[1], 1), F[0], 1); + f[1] = vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmulq_n_f32(F[2], 1), F[6], 3), F[4], 2), F[3], -2), F[5], -3), F[1], -1); + f[2] = vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmulq_n_f32(F[2], 1), F[1], 1), F[6], 9), F[5], 9), F[4], 4), F[3], 4); + f[3] = vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmlaq_n_f32(vmulq_n_f32(F[7], 1), F[2], 1), F[6], 27), F[4], 8), F[3], -8), F[5], -27), F[1], -1); + + // Write out the output tile + if (bptr != 0) + { + b = vld1q_f32(bptr); + bptr += 4; + } + for (int j = 0; j < cells_j; j++) + { + vst1q_f32(outptrs[j], f[j] + b); + outptrs[j] += 4; + } + } + for (; channels_remaining >= 2; channels_remaining -= 2) + { + // Matrices used and computed during this transform + float32x2_t F[inner_tile_cols], f[output_tile_cols], b = vdup_n_f32(0.0f); + + // Read a 1x8 tile in the Winograd domain + for (int j = 0; j < inner_tile_cols; j++) + { + F[j] = vld1_f32(inptr + j*matrix_stride); + } + inptr += 2; + + f[0] = vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmul_n_f32(F[6], 1), F[5], 1), F[4], 1), F[3], 1), F[2], 1), F[1], 1), F[0], 1); + f[1] = vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmul_n_f32(F[2], 1), F[6], 3), F[4], 2), F[3], -2), F[5], -3), F[1], -1); + f[2] = vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmul_n_f32(F[2], 1), F[1], 1), F[6], 9), F[5], 9), F[4], 4), F[3], 4); + f[3] = vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmla_n_f32(vmul_n_f32(F[7], 1), F[2], 1), F[6], 27), F[4], 8), F[3], -8), F[5], -27), F[1], -1); + + // Write out the output tile + if (bptr != 0) + { + b = vld1_f32(bptr); + bptr += 2; + } + for (int j = 0; j < cells_j; j++) + { + vst1_f32(outptrs[j], f[j] + b); + outptrs[j] += 2; + } + } +#endif // __arm_any__ + for (; channels_remaining; channels_remaining--) + { + // Matrices used and computed during this transform + float F[inner_tile_cols], f[output_tile_cols], b = 0.0f; + + // Read a 1x8 tile in the Winograd domain + for (int j = 0; j < inner_tile_cols; j++) + { + F[j] = *(inptr + j*matrix_stride); + } + inptr++; + + f[0] = F[0]*1 + F[1]*1 + F[2]*1 + F[3]*1 + F[4]*1 + F[5]*1 + F[6]*1; + f[1] = F[1]*-1 + F[5]*-3 + F[3]*-2 + F[4]*2 + F[6]*3 + F[2]*1; + f[2] = F[3]*4 + F[4]*4 + F[5]*9 + F[6]*9 + F[1]*1 + F[2]*1; + f[3] = F[1]*-1 + F[5]*-27 + F[3]*-8 + F[4]*8 + F[6]*27 + F[2]*1 + F[7]*1; + + // Write out the output tile + if (bptr != 0) + { + b = *(bptr++); + } + for (int j = 0; j < cells_j; j++) + { + *(outptrs[j]++) = f[j] + b; + } + } +} + +template <> +template <> +const Transform::TileFn Transform::tile_fns[max_pad_bottom][max_pad_right] = +{ + { + Transform::template process_tile<0, 0>, + Transform::template process_tile<0, 1>, + Transform::template process_tile<0, 2>, + Transform::template process_tile<0, 3>, + }, +}; + +template <> +template <> +const TransformTransposed::TileFn TransformTransposed::tile_fns[max_pad_bottom][max_pad_right] = {}; + + +template struct WinogradGEMM<1, 4, 1, 5>::OutputTransform; +template struct WinogradGEMM<4, 1, 5, 1>::OutputTransform; +} // namespace winograd diff --git a/src/core/NEON/kernels/convolution/winograd/transforms/weights_2_7_fp32.cpp b/src/core/NEON/kernels/convolution/winograd/transforms/weights_2_7_fp32.cpp new file mode 100644 index 0000000000..85cf418656 --- /dev/null +++ b/src/core/NEON/kernels/convolution/winograd/transforms/weights_2_7_fp32.cpp @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2017 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 "arm_compute/core/NEON/kernels/convolution/common/arm.hpp" +#include "arm_compute/core/NEON/kernels/convolution/winograd/winograd_gemm.hpp" +#include "arm_compute/core/NEON/kernels/convolution/winograd/transforms/kernel.hpp" + +namespace winograd +{ + template <> + template <> + void WinogradGEMM<1, 2, 1, 7>::WeightsTransform::execute( + const int n_output_channels, + const int n_input_channels, + const float* const input, // NOTE: Data in HWIO order + float* const output, + const int matrix_stride, + const int matrix_row_stride + ) + { + // Get pointers to each cell of the weight tensor + const auto weight_col_stride = n_input_channels * n_output_channels; + const float *inptrs[kernel_cols]; + for (int j = 0; j < kernel_cols; j++) + { + inptrs[j] = input + j*weight_col_stride; + } + + // For each input channel + for (int ic = 0; ic < n_input_channels; ic++) + { + float *outptr = output + ic * matrix_row_stride; + + // For each output channel + int channels_remaining = n_output_channels; + for (; channels_remaining; channels_remaining--) + { + // Matrices used and computed in this kernel + float w[kernel_cols], V[inner_tile_cols]; + + // Read weights + for (int j = 0; j < kernel_cols; j++) + { + w[j] = *(inptrs[j]++); + } + + // Compute V = w WT + V[0] = (w[0]*-1) / 36.0f; + V[1] = (w[1]*-1 + w[3]*-1 + w[5]*-1 + w[0]*1 + w[2]*1 + w[4]*1 + w[6]*1) / 48.0f; + V[2] = (w[0]*1 + w[1]*1 + w[2]*1 + w[3]*1 + w[4]*1 + w[5]*1 + w[6]*1) / 48.0f; + V[3] = (w[0]*-1 + w[6]*-64 + w[4]*-16 + w[2]*-4 + w[1]*2 + w[3]*8 + w[5]*32) / 120.0f; + V[4] = (w[0]*-1 + w[6]*-64 + w[5]*-32 + w[4]*-16 + w[3]*-8 + w[2]*-4 + w[1]*-2) / 120.0f; + V[5] = (w[5]*-243 + w[3]*-27 + w[1]*-3 + w[2]*9 + w[4]*81 + w[6]*729 + w[0]*1) / 720.0f; + V[6] = (w[1]*3 + w[2]*9 + w[3]*27 + w[4]*81 + w[5]*243 + w[6]*729 + w[0]*1) / 720.0f; + V[7] = (w[6]*1) / 1.0f; + + // Store the transformed weights + for (int j = 0; j < inner_tile_cols; j++) + { + *(outptr + j*matrix_stride) = V[j]; + } + outptr++; + } + } + } + + template <> + template <> + int WinogradGEMM<1, 2, 1, 7>::WeightsTransform::ops_performed(const KernelShape &shape) + { + (void) shape; + return 0; // TODO + } + + template <> + template <> + void WinogradGEMM<2, 1, 7, 1>::WeightsTransform::execute( + const int n_output_channels, + const int n_input_channels, + const float* const input, // NOTE: Data in HWIO order + float* const output, + const int matrix_stride, + const int matrix_row_stride + ) + { + // Redirect to the 1xN implementation + WinogradGEMM<1, 2, 1, 7>::template WeightsTransform::execute( + n_output_channels, n_input_channels, input, output, matrix_stride, + matrix_row_stride + ); + } + + template <> + template <> + int WinogradGEMM<2, 1, 7, 1>::WeightsTransform::ops_performed(const KernelShape &shape) + { + (void) shape; + return 0; // TODO + } + + template struct WinogradGEMM<1, 2, 1, 7>::WeightsTransform; + template struct WinogradGEMM<2, 1, 7, 1>::WeightsTransform; +} diff --git a/src/core/NEON/kernels/convolution/winograd/transforms/weights_4_5_fp32.cpp b/src/core/NEON/kernels/convolution/winograd/transforms/weights_4_5_fp32.cpp new file mode 100644 index 0000000000..2f14e20142 --- /dev/null +++ b/src/core/NEON/kernels/convolution/winograd/transforms/weights_4_5_fp32.cpp @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2017 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 "arm_compute/core/NEON/kernels/convolution/common/arm.hpp" +#include "arm_compute/core/NEON/kernels/convolution/winograd/winograd_gemm.hpp" +#include "arm_compute/core/NEON/kernels/convolution/winograd/transforms/kernel.hpp" + +namespace winograd +{ + template <> + template <> + void WinogradGEMM<1, 4, 1, 5>::WeightsTransform::execute( + const int n_output_channels, + const int n_input_channels, + const float* const input, // NOTE: Data in HWIO order + float* const output, + const int matrix_stride, + const int matrix_row_stride + ) + { + // Get pointers to each cell of the weight tensor + const auto weight_col_stride = n_input_channels * n_output_channels; + const float *inptrs[kernel_cols]; + for (int j = 0; j < kernel_cols; j++) + { + inptrs[j] = input + j*weight_col_stride; + } + + // For each input channel + for (int ic = 0; ic < n_input_channels; ic++) + { + float *outptr = output + ic * matrix_row_stride; + + // For each output channel + int channels_remaining = n_output_channels; + for (; channels_remaining; channels_remaining--) + { + // Matrices used and computed in this kernel + float w[kernel_cols], V[inner_tile_cols]; + + // Read weights + for (int j = 0; j < kernel_cols; j++) + { + w[j] = *(inptrs[j]++); + } + + // Compute V = w WT + V[0] = (w[0]*-1) / 36; + V[1] = (w[1]*-1 + w[3]*-1 + w[0]*1 + w[2]*1 + w[4]*1) / 48; + V[2] = (w[0]*1 + w[1]*1 + w[2]*1 + w[3]*1 + w[4]*1) / 48; + V[3] = (w[0]*-1 + w[4]*-16 + w[2]*-4 + w[1]*2 + w[3]*8) / 120; + V[4] = (w[0]*-1 + w[4]*-16 + w[3]*-8 + w[2]*-4 + w[1]*-2) / 120; + V[5] = (w[3]*-27 + w[1]*-3 + w[2]*9 + w[4]*81 + w[0]*1) / 720; + V[6] = (w[1]*3 + w[2]*9 + w[3]*27 + w[4]*81 + w[0]*1) / 720; + V[7] = (w[4]*1) / 1; + + // Store the transformed weights + for (int j = 0; j < inner_tile_cols; j++) + { + *(outptr + j*matrix_stride) = V[j]; + } + outptr++; + } + } + } + + template <> + template <> + int WinogradGEMM<1, 4, 1, 5>::WeightsTransform::ops_performed(const KernelShape &shape) + { + (void) shape; + return 0; // TODO + } + + template <> + template <> + void WinogradGEMM<4, 1, 5, 1>::WeightsTransform::execute( + const int n_output_channels, + const int n_input_channels, + const float* const input, // NOTE: Data in HWIO order + float* const output, + const int matrix_stride, + const int matrix_row_stride + ) + { + // Redirect to the 1xN implementation + WinogradGEMM<1, 4, 1, 5>::template WeightsTransform::execute( + n_output_channels, n_input_channels, input, output, matrix_stride, + matrix_row_stride + ); + } + + template <> + template <> + int WinogradGEMM<4, 1, 5, 1>::WeightsTransform::ops_performed(const KernelShape &shape) + { + (void) shape; + return 0; // TODO + } + + template struct WinogradGEMM<1, 4, 1, 5>::WeightsTransform; + template struct WinogradGEMM<4, 1, 5, 1>::WeightsTransform; +} diff --git a/src/core/NEON/kernels/convolution/winograd/winograd_gemm.cpp b/src/core/NEON/kernels/convolution/winograd/winograd_gemm.cpp index d544fd5710..a7de2fd3e5 100644 --- a/src/core/NEON/kernels/convolution/winograd/winograd_gemm.cpp +++ b/src/core/NEON/kernels/convolution/winograd/winograd_gemm.cpp @@ -229,3 +229,12 @@ template class WinogradGEMM<1, 6, 1, 3>::Convolution; template class WinogradGEMM<6, 1, 3, 1>::Convolution; template class WinogradGEMM<2, 2, 5, 5>::Convolution; + +template class WinogradGEMM<1, 4, 1, 5>::Convolution; +template class WinogradGEMM<4, 1, 5, 1>::Convolution; + +template class WinogradGEMM<1, 2, 1, 7>::Convolution; +template class WinogradGEMM<2, 1, 7, 1>::Convolution; + + + -- cgit v1.2.1