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Diffstat (limited to 'src/core/CL/cl_kernels/nchw/winograd_filter_transform.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/nchw/winograd_filter_transform.cl | 911 |
1 files changed, 911 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/nchw/winograd_filter_transform.cl b/src/core/CL/cl_kernels/nchw/winograd_filter_transform.cl new file mode 100644 index 0000000000..85eff9e6d9 --- /dev/null +++ b/src/core/CL/cl_kernels/nchw/winograd_filter_transform.cl @@ -0,0 +1,911 @@ +/* + * Copyright (c) 2018-2021 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 "helpers.h" + +#if defined(SRC_DIM_Z) +/** This OpenCL kernel performs Winograd filter transform 3x3/3x1/1x3 when the data layout is NCHW and the output tile is 2x2/2x1/1x2 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * @note If this kernel is used to perform Winograd filter transform 3x1, -DWINOGRAD_FILTER_TRANSFORM_HORIZONTAL has to be passed at compile time + * @note If this kernel is used to perform Winograd filter transform 1x3, -DWINOGRAD_FILTER_TRANSFORM_VERTICAL has to be passed at compile time + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_2x2_3x3_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + Tensor4D src = CONVERT_TO_TENSOR4D_STRUCT(src, SRC_DIM_Z); + + const __global uchar *src_addr = tensor4D_offset(&src, 0, 0, 0, 0); + + // Load the values from the input tensor +#if defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) + VEC_DATA_TYPE(DATA_TYPE, 3) + w0 = vload3(0, (__global DATA_TYPE *)(src_addr)); +#elif defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + VEC_DATA_TYPE(DATA_TYPE, 3) + w0 = (VEC_DATA_TYPE(DATA_TYPE, 3))(*((__global DATA_TYPE *)(src_addr + 0 * src_stride_y)), + *((__global DATA_TYPE *)(src_addr + 1 * src_stride_y)), + *((__global DATA_TYPE *)(src_addr + 2 * src_stride_y))); +#else // defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + VEC_DATA_TYPE(DATA_TYPE, 3) + w0 = vload3(0, (__global DATA_TYPE *)(src_addr + 0 * src_stride_y)); + VEC_DATA_TYPE(DATA_TYPE, 3) + w1 = vload3(0, (__global DATA_TYPE *)(src_addr + 1 * src_stride_y)); + VEC_DATA_TYPE(DATA_TYPE, 3) + w2 = vload3(0, (__global DATA_TYPE *)(src_addr + 2 * src_stride_y)); +#endif // defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) + + // Row 0 + VEC_DATA_TYPE(DATA_TYPE, 4) + out0 = 0.0f; + out0.s0 = (w0.s0); + out0.s1 = (w0.s0 + w0.s1 + w0.s2) * 0.5f; + out0.s2 = (w0.s0 + w0.s2 - w0.s1) * 0.5f; + out0.s3 = (w0.s2); + +#if !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + // Row 1 + VEC_DATA_TYPE(DATA_TYPE, 4) + out1 = 0.0f; + out1.s0 = (w0.s0 + w1.s0 + w2.s0) * 0.5f; + out1.s1 = (w0.s0 + w1.s0 + w2.s0 + w0.s1 + w1.s1 + w2.s1 + w0.s2 + w1.s2 + w2.s2) * 0.25f; + out1.s2 = (w0.s0 + w1.s0 + w2.s0 + w0.s2 + w1.s2 + w2.s2 - w0.s1 - w1.s1 - w2.s1) * 0.25f; + out1.s3 = (w0.s2 + w1.s2 + w2.s2) * 0.5f; + + // Row 2 + VEC_DATA_TYPE(DATA_TYPE, 4) + out2 = 0.0f; + out2.s0 = (w0.s0 + w2.s0 - w1.s0) * 0.5f; + out2.s1 = (w0.s0 + w2.s0 + w0.s1 + w2.s1 + w0.s2 + w2.s2 - w1.s0 - w1.s1 - w1.s2) * 0.25f; + out2.s2 = (w0.s0 + w2.s0 + w1.s1 + w0.s2 + w2.s2 - w1.s0 - w0.s1 - w2.s1 - w1.s2) * 0.25f; + out2.s3 = (w0.s2 + w2.s2 - w1.s2) * 0.5f; + + // Row 3 + VEC_DATA_TYPE(DATA_TYPE, 4) + out3 = 0.0f; + out3.s0 = (w2.s0); + out3.s1 = (w2.s0 + w2.s1 + w2.s2) * 0.5f; + out3.s2 = (w2.s0 + w2.s2 - w2.s1) * 0.5f; + out3.s3 = (w2.s2); +#endif // !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + + int z = get_global_id(2); + int x0 = z / SRC_DIM_Z; // idx filter + int y0 = z % SRC_DIM_Z; // idx channel + + // Get output address + __global uchar *dst_addr = dst_ptr + dst_offset_first_element_in_bytes + x0 * dst_stride_x + y0 * dst_stride_y; + + // Store the values across the channels + // 16 channels for 3x3 kernels + // 4 channels for 3x1 or 1x3 kernels + *(__global DATA_TYPE *)(dst_addr + 0 * dst_stride_z) = out0.s0; + *(__global DATA_TYPE *)(dst_addr + 1 * dst_stride_z) = out0.s1; + *(__global DATA_TYPE *)(dst_addr + 2 * dst_stride_z) = out0.s2; + *(__global DATA_TYPE *)(dst_addr + 3 * dst_stride_z) = out0.s3; + +#if !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + *(__global DATA_TYPE *)(dst_addr + 4 * dst_stride_z) = out1.s0; + *(__global DATA_TYPE *)(dst_addr + 5 * dst_stride_z) = out1.s1; + *(__global DATA_TYPE *)(dst_addr + 6 * dst_stride_z) = out1.s2; + *(__global DATA_TYPE *)(dst_addr + 7 * dst_stride_z) = out1.s3; + *(__global DATA_TYPE *)(dst_addr + 8 * dst_stride_z) = out2.s0; + *(__global DATA_TYPE *)(dst_addr + 9 * dst_stride_z) = out2.s1; + *(__global DATA_TYPE *)(dst_addr + 10 * dst_stride_z) = out2.s2; + *(__global DATA_TYPE *)(dst_addr + 11 * dst_stride_z) = out2.s3; + *(__global DATA_TYPE *)(dst_addr + 12 * dst_stride_z) = out3.s0; + *(__global DATA_TYPE *)(dst_addr + 13 * dst_stride_z) = out3.s1; + *(__global DATA_TYPE *)(dst_addr + 14 * dst_stride_z) = out3.s2; + *(__global DATA_TYPE *)(dst_addr + 15 * dst_stride_z) = out3.s3; +#endif // !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) +} + +/** This OpenCL kernel performs Winograd filter transform 3x3/3x1/1x3 when the data layout is NCHW and the output tile is 4x4/4x1/1x4 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * @note If this kernel is used to perform Winograd filter transform 3x1, -DWINOGRAD_FILTER_TRANSFORM_HORIZONTAL has to be passed at compile time + * @note If this kernel is used to perform Winograd filter transform 1x3, -DWINOGRAD_FILTER_TRANSFORM_VERTICAL has to be passed at compile time + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_4x4_3x3_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + Tensor4D src = CONVERT_TO_TENSOR4D_STRUCT(src, SRC_DIM_Z); + + const __global uchar *src_addr = tensor4D_offset(&src, 0, 0, 0, 0); + + // Load the values from the input tensor +#if defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) + VEC_DATA_TYPE(DATA_TYPE, 3) + w0 = vload3(0, (__global DATA_TYPE *)(src_addr)); +#elif defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + VEC_DATA_TYPE(DATA_TYPE, 3) + w0 = (VEC_DATA_TYPE(DATA_TYPE, 3))(*((__global DATA_TYPE *)(src_addr + 0 * src_stride_y)), + *((__global DATA_TYPE *)(src_addr + 1 * src_stride_y)), + *((__global DATA_TYPE *)(src_addr + 2 * src_stride_y))); +#else // defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + VEC_DATA_TYPE(DATA_TYPE, 3) + w0 = vload3(0, (__global DATA_TYPE *)(src_addr + 0 * src_stride_y)); + VEC_DATA_TYPE(DATA_TYPE, 3) + w1 = vload3(0, (__global DATA_TYPE *)(src_addr + 1 * src_stride_y)); + VEC_DATA_TYPE(DATA_TYPE, 3) + w2 = vload3(0, (__global DATA_TYPE *)(src_addr + 2 * src_stride_y)); +#endif // defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) + + // Row 0 + VEC_DATA_TYPE(DATA_TYPE, 8) + out0 = 0.0f; + out0.s0 = (w0.s0) / 16.f; + out0.s1 = (-w0.s0 - w0.s1 - w0.s2) / 24.f; + out0.s2 = (-w0.s0 + w0.s1 - w0.s2) / 24.f; + out0.s3 = (w0.s0 + 2.f * w0.s1 + 4.f * w0.s2) / 96.f; + out0.s4 = (w0.s0 - 2.f * w0.s1 + 4.f * w0.s2) / 96.f; + out0.s5 = (w0.s2) / 4.f; + +#if !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + // Row 1 + VEC_DATA_TYPE(DATA_TYPE, 8) + out1 = 0.0f; + out1.s0 = (-w0.s0 - w1.s0 - w2.s0) / 24.f; + out1.s1 = (w0.s0 + w1.s0 + w2.s0 + w0.s1 + w1.s1 + w2.s1 + w0.s2 + w1.s2 + w2.s2) / 36.f; + out1.s2 = (w0.s0 + w1.s0 + w2.s0 - w0.s1 - w1.s1 - w2.s1 + w0.s2 + w1.s2 + w2.s2) / 36.f; + out1.s3 = (-w0.s0 - w1.s0 - w2.s0 + 2.f * (-w0.s1 - w1.s1 - w2.s1) + 4.f * (-w0.s2 - w1.s2 - w2.s2)) / 144.f; + out1.s4 = (-w0.s0 - w1.s0 - w2.s0 + 2.f * (w0.s1 + w1.s1 + w2.s1) + 4.f * (-w0.s2 - w1.s2 - w2.s2)) / 144.f; + out1.s5 = (-w0.s2 - w1.s2 - w2.s2) / 6.f; + + // Row 2 + VEC_DATA_TYPE(DATA_TYPE, 8) + out2 = 0.0f; + out2.s0 = (-w0.s0 + w1.s0 - w2.s0) / 24.f; + out2.s1 = (w0.s0 - w1.s0 + w2.s0 + w0.s1 - w1.s1 + w2.s1 + w0.s2 - w1.s2 + w2.s2) / 36.f; + out2.s2 = (w0.s0 - w1.s0 + w2.s0 - w0.s1 + w1.s1 - w2.s1 + w0.s2 - w1.s2 + w2.s2) / 36.f; + out2.s3 = (-w0.s0 + w1.s0 - w2.s0 + 2.f * (-w0.s1 + w1.s1 - w2.s1) + 4.f * (-w0.s2 + w1.s2 - w2.s2)) / 144.f; + out2.s4 = (-w0.s0 + w1.s0 - w2.s0 + 2.f * (w0.s1 - w1.s1 + w2.s1) + 4.f * (-w0.s2 + w1.s2 - w2.s2)) / 144.f; + out2.s5 = (-w0.s2 + w1.s2 - w2.s2) / 6.f; + + // Row 3 + VEC_DATA_TYPE(DATA_TYPE, 8) + out3 = 0.0f; + out3.s0 = (w0.s0 + 2.f * w1.s0 + 4.f * w2.s0) / 96.f; + out3.s1 = (-w0.s0 - 2.f * w1.s0 - 4.f * w2.s0 - w0.s1 - 2.f * w1.s1 - 4.f * w2.s1 - w0.s2 - 2.f * w1.s2 - 4.f * w2.s2) / 144.f; + out3.s2 = (-w0.s0 - 2.f * w1.s0 - 4.f * w2.s0 + w0.s1 + 2.f * w1.s1 + 4.f * w2.s1 - w0.s2 - 2.f * w1.s2 - 4.f * w2.s2) / 144.f; + out3.s3 = ((w0.s0 + 2.f * w1.s0 + 4.f * w2.s0) + 2.f * (w0.s1 + 2.f * w1.s1 + 4.f * w2.s1) + 4.f * (w0.s2 + 2.f * w1.s2 + 4.f * w2.s2)) / 576.f; + out3.s4 = ((w0.s0 + 2.f * w1.s0 + 4.f * w2.s0) + 2.f * (-w0.s1 - 2.f * w1.s1 - 4.f * w2.s1) + 4.f * (w0.s2 + 2.f * w1.s2 + 4.f * w2.s2)) / 576.f; + out3.s5 = (w0.s2 + 2.f * w1.s2 + 4.f * w2.s2) / 24.f; + + // Row 4 + VEC_DATA_TYPE(DATA_TYPE, 8) + out4 = 0.0f; + out4.s0 = (w0.s0 - 2.f * w1.s0 + 4.f * w2.s0) / 96.f; + out4.s1 = (-w0.s0 + 2.f * w1.s0 - 4.f * w2.s0 - w0.s1 + 2.f * w1.s1 - 4.f * w2.s1 - w0.s2 + 2.f * w1.s2 - 4.f * w2.s2) / 144.f; + out4.s2 = (-w0.s0 + 2.f * w1.s0 - 4.f * w2.s0 + w0.s1 - 2.f * w1.s1 + 4.f * w2.s1 - w0.s2 + 2.f * w1.s2 - 4.f * w2.s2) / 144.f; + out4.s3 = ((w0.s0 - 2.f * w1.s0 + 4.f * w2.s0) + 2.f * (w0.s1 - 2.f * w1.s1 + 4.f * w2.s1) + 4.f * (w0.s2 - 2.f * w1.s2 + 4.f * w2.s2)) / 576.f; + out4.s4 = ((w0.s0 - 2.f * w1.s0 + 4.f * w2.s0) + 2.f * (-w0.s1 + 2.f * w1.s1 - 4.f * w2.s1) + 4.f * (w0.s2 - 2.f * w1.s2 + 4.f * w2.s2)) / 576.f; + out4.s5 = (w0.s2 - 2.f * w1.s2 + 4.f * w2.s2) / 24.f; + + // Row 5 + VEC_DATA_TYPE(DATA_TYPE, 8) + out5 = 0.0f; + out5.s0 = (w2.s0) / 4.f; + out5.s1 = (-w2.s0 - w2.s1 - w2.s2) / 6.f; + out5.s2 = (-w2.s0 + w2.s1 - w2.s2) / 6.f; + out5.s3 = (w2.s0 + 2.f * w2.s1 + 4.f * w2.s2) / 24.f; + out5.s4 = (w2.s0 - 2.f * w2.s1 + 4.f * w2.s2) / 24.f; + out5.s5 = (w2.s2); +#endif // !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + + int z = get_global_id(2); + int x0 = z / SRC_DIM_Z; // idx filter + int y0 = z % SRC_DIM_Z; // idx channel + + // Get output address + __global uchar *dst_addr = dst_ptr + dst_offset_first_element_in_bytes + x0 * dst_stride_x + y0 * dst_stride_y; + + // Store the values across the channels + // 36 channels for 3x3 kernels + // 6 channels for 3x1 or 1x3 kernels + *(__global DATA_TYPE *)(dst_addr + 0 * dst_stride_z) = out0.s0; + *(__global DATA_TYPE *)(dst_addr + 1 * dst_stride_z) = out0.s1; + *(__global DATA_TYPE *)(dst_addr + 2 * dst_stride_z) = out0.s2; + *(__global DATA_TYPE *)(dst_addr + 3 * dst_stride_z) = out0.s3; + *(__global DATA_TYPE *)(dst_addr + 4 * dst_stride_z) = out0.s4; + *(__global DATA_TYPE *)(dst_addr + 5 * dst_stride_z) = out0.s5; + +#if !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + *(__global DATA_TYPE *)(dst_addr + 6 * dst_stride_z) = out1.s0; + *(__global DATA_TYPE *)(dst_addr + 7 * dst_stride_z) = out1.s1; + *(__global DATA_TYPE *)(dst_addr + 8 * dst_stride_z) = out1.s2; + *(__global DATA_TYPE *)(dst_addr + 9 * dst_stride_z) = out1.s3; + *(__global DATA_TYPE *)(dst_addr + 10 * dst_stride_z) = out1.s4; + *(__global DATA_TYPE *)(dst_addr + 11 * dst_stride_z) = out1.s5; + *(__global DATA_TYPE *)(dst_addr + 12 * dst_stride_z) = out2.s0; + *(__global DATA_TYPE *)(dst_addr + 13 * dst_stride_z) = out2.s1; + *(__global DATA_TYPE *)(dst_addr + 14 * dst_stride_z) = out2.s2; + *(__global DATA_TYPE *)(dst_addr + 15 * dst_stride_z) = out2.s3; + *(__global DATA_TYPE *)(dst_addr + 16 * dst_stride_z) = out2.s4; + *(__global DATA_TYPE *)(dst_addr + 17 * dst_stride_z) = out2.s5; + *(__global DATA_TYPE *)(dst_addr + 18 * dst_stride_z) = out3.s0; + *(__global DATA_TYPE *)(dst_addr + 19 * dst_stride_z) = out3.s1; + *(__global DATA_TYPE *)(dst_addr + 20 * dst_stride_z) = out3.s2; + *(__global DATA_TYPE *)(dst_addr + 21 * dst_stride_z) = out3.s3; + *(__global DATA_TYPE *)(dst_addr + 22 * dst_stride_z) = out3.s4; + *(__global DATA_TYPE *)(dst_addr + 23 * dst_stride_z) = out3.s5; + *(__global DATA_TYPE *)(dst_addr + 24 * dst_stride_z) = out4.s0; + *(__global DATA_TYPE *)(dst_addr + 25 * dst_stride_z) = out4.s1; + *(__global DATA_TYPE *)(dst_addr + 26 * dst_stride_z) = out4.s2; + *(__global DATA_TYPE *)(dst_addr + 27 * dst_stride_z) = out4.s3; + *(__global DATA_TYPE *)(dst_addr + 28 * dst_stride_z) = out4.s4; + *(__global DATA_TYPE *)(dst_addr + 29 * dst_stride_z) = out4.s5; + *(__global DATA_TYPE *)(dst_addr + 30 * dst_stride_z) = out5.s0; + *(__global DATA_TYPE *)(dst_addr + 31 * dst_stride_z) = out5.s1; + *(__global DATA_TYPE *)(dst_addr + 32 * dst_stride_z) = out5.s2; + *(__global DATA_TYPE *)(dst_addr + 33 * dst_stride_z) = out5.s3; + *(__global DATA_TYPE *)(dst_addr + 34 * dst_stride_z) = out5.s4; + *(__global DATA_TYPE *)(dst_addr + 35 * dst_stride_z) = out5.s5; +#endif // !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) +} + +/** This OpenCL kernel performs Winograd filter transform 5x5/5x1 or 1x5 when the data layout is NCHW and the output tile is 4x4/4x1 or 1x4 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * + * @note If this kernel is used to perform Winograd filter transform 5x1, -DWINOGRAD_FILTER_TRANSFORM_HORIZONTAL has to be passed at compile time + * @note If this kernel is used to perform Winograd filter transform 1x5, -DWINOGRAD_FILTER_TRANSFORM_VERTICAL has to be passed at compile time + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_4x4_5x5_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + Tensor4D src = CONVERT_TO_TENSOR4D_STRUCT(src, SRC_DIM_Z); + + const __global uchar *src_addr = tensor4D_offset(&src, 0, 0, 0, 0); + + // Load the values from the input tensor +#if defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) + VEC_DATA_TYPE(DATA_TYPE, 4) + w00 = vload4(0, (__global DATA_TYPE *)(src_addr + 0 * src_stride_y)); + DATA_TYPE w01 = *((__global DATA_TYPE *)(src_addr + 0 * src_stride_y) + 4); +#elif defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + VEC_DATA_TYPE(DATA_TYPE, 4) + w00 = (VEC_DATA_TYPE(DATA_TYPE, 4))(*((__global DATA_TYPE *)(src_addr + 0 * src_stride_y)), + *((__global DATA_TYPE *)(src_addr + 1 * src_stride_y)), + *((__global DATA_TYPE *)(src_addr + 2 * src_stride_y)), + *((__global DATA_TYPE *)(src_addr + 3 * src_stride_y))); + DATA_TYPE w01 = *((__global DATA_TYPE *)(src_addr + 4 * src_stride_y)); +#else // defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + VEC_DATA_TYPE(DATA_TYPE, 4) + w00 = vload4(0, (__global DATA_TYPE *)(src_addr + 0 * src_stride_y)); + DATA_TYPE w01 = *((__global DATA_TYPE *)(src_addr + 0 * src_stride_y) + 4); + VEC_DATA_TYPE(DATA_TYPE, 4) + w10 = vload4(0, (__global DATA_TYPE *)(src_addr + 1 * src_stride_y)); + DATA_TYPE w11 = *((__global DATA_TYPE *)(src_addr + 1 * src_stride_y) + 4); + VEC_DATA_TYPE(DATA_TYPE, 4) + w20 = vload4(0, (__global DATA_TYPE *)(src_addr + 2 * src_stride_y)); + DATA_TYPE w21 = *((__global DATA_TYPE *)(src_addr + 2 * src_stride_y) + 4); + VEC_DATA_TYPE(DATA_TYPE, 4) + w30 = vload4(0, (__global DATA_TYPE *)(src_addr + 3 * src_stride_y)); + DATA_TYPE w31 = *((__global DATA_TYPE *)(src_addr + 3 * src_stride_y) + 4); + VEC_DATA_TYPE(DATA_TYPE, 4) + w40 = vload4(0, (__global DATA_TYPE *)(src_addr + 4 * src_stride_y)); + DATA_TYPE w41 = *((__global DATA_TYPE *)(src_addr + 4 * src_stride_y) + 4); +#endif // defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) + + // Transform the input tile + + // Row 0 + VEC_DATA_TYPE(DATA_TYPE, 8) + out0 = 0.0f; + out0.s0 = w00.s0; + out0.s1 = -2.f * (w00.s0 + w00.s1 + w00.s2 + w00.s3 + w01) / 9.f; + out0.s2 = -2.f * (w00.s0 - w00.s1 + w00.s2 - w00.s3 + w01) / 9.f; + out0.s3 = (w00.s0 + 2.f * w00.s1 + 4.f * w00.s2 + 8.f * w00.s3 + 16.f * w01) / 90.f; + out0.s4 = (w00.s0 - 2.f * w00.s1 + 4.f * w00.s2 - 8.f * w00.s3 + 16.f * w01) / 90.f; + out0.s5 = (16.f * w00.s0 + 8.f * w00.s1 + 4.f * w00.s2 + 2.f * w00.s3 + w01) / 180.f; + out0.s6 = (16.f * w00.s0 - 8.f * w00.s1 + 4.f * w00.s2 - 2.f * w00.s3 + w01) / 180.f; + out0.s7 = w01; + +#if !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + // Row 1 + VEC_DATA_TYPE(DATA_TYPE, 8) + out1 = 0.0f; + out1.s0 = -2.f * (w00.s0 + w10.s0 + w20.s0 + w30.s0 + w40.s0) / 9.f; + out1.s1 = 4.f * ((w00.s0 + w10.s0 + w20.s0 + w30.s0 + w40.s0) + (w00.s1 + w10.s1 + w20.s1 + w30.s1 + w40.s1) + (w00.s2 + w10.s2 + w20.s2 + w30.s2 + w40.s2) + + (w00.s3 + w10.s3 + w20.s3 + w30.s3 + w40.s3) + (w01 + w11 + w21 + w31 + w41)) / 81.f; + out1.s2 = 4.f * ((w00.s0 + w10.s0 + w20.s0 + w30.s0 + w40.s0) - (w00.s1 + w10.s1 + w20.s1 + w30.s1 + w40.s1) + (w00.s2 + w10.s2 + w20.s2 + w30.s2 + w40.s2) - + (w00.s3 + w10.s3 + w20.s3 + w30.s3 + w40.s3) + (w01 + w11 + w21 + w31 + w41)) / 81.f; + out1.s3 = -((w00.s0 + w10.s0 + w20.s0 + w30.s0 + w40.s0) + 2.f * (w00.s1 + w10.s1 + w20.s1 + w30.s1 + w40.s1) + 4.f * (w00.s2 + w10.s2 + w20.s2 + w30.s2 + w40.s2) + 8.f * + (w00.s3 + w10.s3 + w20.s3 + w30.s3 + w40.s3) + 16.f * (w01 + w11 + w21 + w31 + w41)) / 405.f; + out1.s4 = -((w00.s0 + w10.s0 + w20.s0 + w30.s0 + w40.s0) - 2.f * (w00.s1 + w10.s1 + w20.s1 + w30.s1 + w40.s1) + 4.f * (w00.s2 + w10.s2 + w20.s2 + w30.s2 + w40.s2) - 8.f * + (w00.s3 + w10.s3 + w20.s3 + w30.s3 + w40.s3) + 16.f * (w01 + w11 + w21 + w31 + w41)) / 405.f; + out1.s5 = -(16.f * (w00.s0 + w10.s0 + w20.s0 + w30.s0 + w40.s0) + 8.f * (w00.s1 + w10.s1 + w20.s1 + w30.s1 + w40.s1) + 4.f * (w00.s2 + w10.s2 + w20.s2 + w30.s2 + w40.s2) + 2.f * + (w00.s3 + w10.s3 + w20.s3 + w30.s3 + w40.s3) + (w01 + w11 + w21 + w31 + w41)) / 810.f; + out1.s6 = -(16.f * (w00.s0 + w10.s0 + w20.s0 + w30.s0 + w40.s0) - 8.f * (w00.s1 + w10.s1 + w20.s1 + w30.s1 + w40.s1) + 4.f * (w00.s2 + w10.s2 + w20.s2 + w30.s2 + w40.s2) - 2.f * + (w00.s3 + w10.s3 + w20.s3 + w30.s3 + w40.s3) + (w01 + w11 + w21 + w31 + w41)) / 810.f; + out1.s7 = -2.f * (w01 + w11 + w21 + w31 + w41) / 9.f; + + // Row 2 + VEC_DATA_TYPE(DATA_TYPE, 8) + out2 = 0.0f; + out2.s0 = -2.f * (w00.s0 - w10.s0 + w20.s0 - w30.s0 + w40.s0) / 9.f; + out2.s1 = 4.f * ((w00.s0 - w10.s0 + w20.s0 - w30.s0 + w40.s0) + (w00.s1 - w10.s1 + w20.s1 - w30.s1 + w40.s1) + (w00.s2 - w10.s2 + w20.s2 - w30.s2 + w40.s2) + + (w00.s3 - w10.s3 + w20.s3 - w30.s3 + w40.s3) + (w01 - w11 + w21 - w31 + w41)) / 81.f; + out2.s2 = 4.f * ((w00.s0 - w10.s0 + w20.s0 - w30.s0 + w40.s0) - (w00.s1 - w10.s1 + w20.s1 - w30.s1 + w40.s1) + (w00.s2 - w10.s2 + w20.s2 - w30.s2 + w40.s2) - + (w00.s3 - w10.s3 + w20.s3 - w30.s3 + w40.s3) + (w01 - w11 + w21 - w31 + w41)) / 81.f; + out2.s3 = -((w00.s0 - w10.s0 + w20.s0 - w30.s0 + w40.s0) + 2.f * (w00.s1 - w10.s1 + w20.s1 - w30.s1 + w40.s1) + 4.f * (w00.s2 - w10.s2 + w20.s2 - w30.s2 + w40.s2) + 8.f * + (w00.s3 - w10.s3 + w20.s3 - w30.s3 + w40.s3) + 16.f * (w01 - w11 + w21 - w31 + w41)) / 405.f; + out2.s4 = -((w00.s0 - w10.s0 + w20.s0 - w30.s0 + w40.s0) - 2.f * (w00.s1 - w10.s1 + w20.s1 - w30.s1 + w40.s1) + 4.f * (w00.s2 - w10.s2 + w20.s2 - w30.s2 + w40.s2) - 8.f * + (w00.s3 - w10.s3 + w20.s3 - w30.s3 + w40.s3) + 16.f * (w01 - w11 + w21 - w31 + w41)) / 405.f; + out2.s5 = -(16.f * (w00.s0 - w10.s0 + w20.s0 - w30.s0 + w40.s0) + 8.f * (w00.s1 - w10.s1 + w20.s1 - w30.s1 + w40.s1) + 4.f * (w00.s2 - w10.s2 + w20.s2 - w30.s2 + w40.s2) + 2.f * + (w00.s3 - w10.s3 + w20.s3 - w30.s3 + w40.s3) + (w01 - w11 + w21 - w31 + w41)) / 810.f; + out2.s6 = -(16.f * (w00.s0 - w10.s0 + w20.s0 - w30.s0 + w40.s0) - 8.f * (w00.s1 - w10.s1 + w20.s1 - w30.s1 + w40.s1) + 4.f * (w00.s2 - w10.s2 + w20.s2 - w30.s2 + w40.s2) - 2.f * + (w00.s3 - w10.s3 + w20.s3 - w30.s3 + w40.s3) + (w01 - w11 + w21 - w31 + w41)) / 810.f; + out2.s7 = -2.f * (w01 - w11 + w21 - w31 + w41) / 9.f; + + // Row 3 + VEC_DATA_TYPE(DATA_TYPE, 8) + out3 = 0.0f; + out3.s0 = (w00.s0 + 2.f * w10.s0 + 4.f * w20.s0 + 8.f * w30.s0 + 16.f * w40.s0) / 90.f; + out3.s1 = -((w00.s0 + 2.f * w10.s0 + 4.f * w20.s0 + 8.f * w30.s0 + 16.f * w40.s0) + (w00.s1 + 2.f * w10.s1 + 4.f * w20.s1 + 8.f * w30.s1 + 16.f * w40.s1) + + (w00.s2 + 2.f * w10.s2 + 4.f * w20.s2 + 8.f * w30.s2 + 16.f * w40.s2) + (w00.s3 + 2.f * w10.s3 + 4.f * w20.s3 + 8.f * w30.s3 + 16.f * w40.s3) + + (w01 + 2.f * w11 + 4.f * w21 + 8.f * w31 + 16.f * w41)) / 405.f; + out3.s2 = -((w00.s0 + 2.f * w10.s0 + 4.f * w20.s0 + 8.f * w30.s0 + 16.f * w40.s0) - (w00.s1 + 2.f * w10.s1 + 4.f * w20.s1 + 8.f * w30.s1 + 16.f * w40.s1) + + (w00.s2 + 2.f * w10.s2 + 4.f * w20.s2 + 8.f * w30.s2 + 16.f * w40.s2) - (w00.s3 + 2.f * w10.s3 + 4.f * w20.s3 + 8.f * w30.s3 + 16.f * w40.s3) + + (w01 + 2.f * w11 + 4.f * w21 + 8.f * w31 + 16.f * w41)) / 405.f; + out3.s3 = ((w00.s0 + 2.f * w10.s0 + 4.f * w20.s0 + 8.f * w30.s0 + 16.f * w40.s0) + 2.f * (w00.s1 + 2.f * w10.s1 + 4.f * w20.s1 + 8.f * w30.s1 + 16.f * w40.s1) + 4.f * + (w00.s2 + 2.f * w10.s2 + 4.f * w20.s2 + 8.f * w30.s2 + 16.f * w40.s2) + 8.f * (w00.s3 + 2.f * w10.s3 + 4.f * w20.s3 + 8.f * w30.s3 + 16.f * w40.s3) + 16.f * + (w01 + 2.f * w11 + 4.f * w21 + 8.f * w31 + 16.f * w41)) / 8100.f; + out3.s4 = ((w00.s0 + 2.f * w10.s0 + 4.f * w20.s0 + 8.f * w30.s0 + 16.f * w40.s0) - 2.f * (w00.s1 + 2.f * w10.s1 + 4.f * w20.s1 + 8.f * w30.s1 + 16.f * w40.s1) + 4.f * + (w00.s2 + 2.f * w10.s2 + 4.f * w20.s2 + 8.f * w30.s2 + 16.f * w40.s2) - 8.f * (w00.s3 + 2.f * w10.s3 + 4.f * w20.s3 + 8.f * w30.s3 + 16.f * w40.s3) + 16.f * + (w01 + 2.f * w11 + 4.f * w21 + 8.f * w31 + 16.f * w41)) / 8100.f; + out3.s5 = (16.f * (w00.s0 + 2.f * w10.s0 + 4.f * w20.s0 + 8.f * w30.s0 + 16.f * w40.s0) + 8.f * (w00.s1 + 2.f * w10.s1 + 4.f * w20.s1 + 8.f * w30.s1 + 16.f * w40.s1) + 4.f * + (w00.s2 + 2.f * w10.s2 + 4.f * w20.s2 + 8.f * w30.s2 + 16.f * w40.s2) + 2.f * (w00.s3 + 2.f * w10.s3 + 4.f * w20.s3 + 8.f * w30.s3 + 16.f * w40.s3) + + (w01 + 2.f * w11 + 4.f * w21 + 8.f * w31 + 16.f * w41)) / 16200.f; + out3.s6 = (16.f * (w00.s0 + 2.f * w10.s0 + 4.f * w20.s0 + 8.f * w30.s0 + 16.f * w40.s0) - 8.f * (w00.s1 + 2.f * w10.s1 + 4.f * w20.s1 + 8.f * w30.s1 + 16.f * w40.s1) + 4.f * + (w00.s2 + 2.f * w10.s2 + 4.f * w20.s2 + 8.f * w30.s2 + 16.f * w40.s2) - 2.f * (w00.s3 + 2.f * w10.s3 + 4.f * w20.s3 + 8.f * w30.s3 + 16.f * w40.s3) + + (w01 + 2.f * w11 + 4.f * w21 + 8.f * w31 + 16.f * w41)) / 16200.f; + out3.s7 = (w01 + 2.f * w11 + 4.f * w21 + 8.f * w31 + 16.f * w41) / 90.f; + + // Row 4 + VEC_DATA_TYPE(DATA_TYPE, 8) + out4 = 0.0f; + out4.s0 = (w00.s0 - 2.f * w10.s0 + 4.f * w20.s0 - 8.f * w30.s0 + 16.f * w40.s0) / 90.f; + out4.s1 = -((w00.s0 - 2.f * w10.s0 + 4.f * w20.s0 - 8.f * w30.s0 + 16.f * w40.s0) + (w00.s1 - 2.f * w10.s1 + 4.f * w20.s1 - 8.f * w30.s1 + 16.f * w40.s1) + + (w00.s2 - 2.f * w10.s2 + 4.f * w20.s2 - 8.f * w30.s2 + 16.f * w40.s2) + (w00.s3 - 2.f * w10.s3 + 4.f * w20.s3 - 8.f * w30.s3 + 16.f * w40.s3) + + (w01 - 2.f * w11 + 4.f * w21 - 8.f * w31 + 16.f * w41)) / 405.f; + out4.s2 = -((w00.s0 - 2.f * w10.s0 + 4.f * w20.s0 - 8.f * w30.s0 + 16.f * w40.s0) - (w00.s1 - 2.f * w10.s1 + 4.f * w20.s1 - 8.f * w30.s1 + 16.f * w40.s1) + + (w00.s2 - 2.f * w10.s2 + 4.f * w20.s2 - 8.f * w30.s2 + 16.f * w40.s2) - (w00.s3 - 2.f * w10.s3 + 4.f * w20.s3 - 8.f * w30.s3 + 16.f * w40.s3) + + (w01 - 2.f * w11 + 4.f * w21 - 8.f * w31 + 16.f * w41)) / 405.f; + out4.s3 = ((w00.s0 - 2.f * w10.s0 + 4.f * w20.s0 - 8.f * w30.s0 + 16.f * w40.s0) + 2.f * (w00.s1 - 2.f * w10.s1 + 4.f * w20.s1 - 8.f * w30.s1 + 16.f * w40.s1) + 4.f * + (w00.s2 - 2.f * w10.s2 + 4.f * w20.s2 - 8.f * w30.s2 + 16.f * w40.s2) + 8.f * (w00.s3 - 2.f * w10.s3 + 4.f * w20.s3 - 8.f * w30.s3 + 16.f * w40.s3) + 16.f * + (w01 - 2.f * w11 + 4.f * w21 - 8.f * w31 + 16.f * w41)) / 8100.f; + out4.s4 = ((w00.s0 - 2.f * w10.s0 + 4.f * w20.s0 - 8.f * w30.s0 + 16.f * w40.s0) - 2.f * (w00.s1 - 2.f * w10.s1 + 4.f * w20.s1 - 8.f * w30.s1 + 16.f * w40.s1) + 4.f * + (w00.s2 - 2.f * w10.s2 + 4.f * w20.s2 - 8.f * w30.s2 + 16.f * w40.s2) - 8.f * (w00.s3 - 2.f * w10.s3 + 4.f * w20.s3 - 8.f * w30.s3 + 16.f * w40.s3) + 16.f * + (w01 - 2.f * w11 + 4.f * w21 - 8.f * w31 + 16.f * w41)) / 8100.f; + out4.s5 = (16.f * (w00.s0 - 2.f * w10.s0 + 4.f * w20.s0 - 8.f * w30.s0 + 16.f * w40.s0) + 8.f * (w00.s1 - 2.f * w10.s1 + 4.f * w20.s1 - 8.f * w30.s1 + 16.f * w40.s1) + 4.f * + (w00.s2 - 2.f * w10.s2 + 4.f * w20.s2 - 8.f * w30.s2 + 16.f * w40.s2) + 2.f * (w00.s3 - 2.f * w10.s3 + 4.f * w20.s3 - 8.f * w30.s3 + 16.f * w40.s3) + + (w01 - 2.f * w11 + 4.f * w21 - 8.f * w31 + 16.f * w41)) / 16200.f; + out4.s6 = (16.f * (w00.s0 - 2.f * w10.s0 + 4.f * w20.s0 - 8.f * w30.s0 + 16.f * w40.s0) - 8.f * (w00.s1 - 2.f * w10.s1 + 4.f * w20.s1 - 8.f * w30.s1 + 16.f * w40.s1) + 4.f * + (w00.s2 - 2.f * w10.s2 + 4.f * w20.s2 - 8.f * w30.s2 + 16.f * w40.s2) - 2.f * (w00.s3 - 2.f * w10.s3 + 4.f * w20.s3 - 8.f * w30.s3 + 16.f * w40.s3) + + (w01 - 2.f * w11 + 4.f * w21 - 8.f * w31 + 16.f * w41)) / 16200.f; + out4.s7 = (w01 - 2.f * w11 + 4.f * w21 - 8.f * w31 + 16.f * w41) / 90.f; + + // Row 5 + VEC_DATA_TYPE(DATA_TYPE, 8) + out5 = 0.0f; + out5.s0 = (16.f * w00.s0 + 8.f * w10.s0 + 4.f * w20.s0 + 2.f * w30.s0 + w40.s0) / 180.f; + out5.s1 = -((16.f * w00.s0 + 8.f * w10.s0 + 4.f * w20.s0 + 2.f * w30.s0 + w40.s0) + (16.f * w00.s1 + 8.f * w10.s1 + 4.f * w20.s1 + 2.f * w30.s1 + w40.s1) + + (16.f * w00.s2 + 8.f * w10.s2 + 4.f * w20.s2 + 2.f * w30.s2 + w40.s2) + (16.f * w00.s3 + 8.f * w10.s3 + 4.f * w20.s3 + 2.f * w30.s3 + w40.s3) + + (16.f * w01 + 8.f * w11 + 4.f * w21 + 2.f * w31 + w41)) / 810.f; + out5.s2 = -((16.f * w00.s0 + 8.f * w10.s0 + 4.f * w20.s0 + 2.f * w30.s0 + w40.s0) - (16.f * w00.s1 + 8.f * w10.s1 + 4.f * w20.s1 + 2.f * w30.s1 + w40.s1) + + (16.f * w00.s2 + 8.f * w10.s2 + 4.f * w20.s2 + 2.f * w30.s2 + w40.s2) - (16.f * w00.s3 + 8.f * w10.s3 + 4.f * w20.s3 + 2.f * w30.s3 + w40.s3) + + (16.f * w01 + 8.f * w11 + 4.f * w21 + 2.f * w31 + w41)) / 810.f; + out5.s3 = ((16.f * w00.s0 + 8.f * w10.s0 + 4.f * w20.s0 + 2.f * w30.s0 + w40.s0) + 2.f * (16.f * w00.s1 + 8.f * w10.s1 + 4.f * w20.s1 + 2.f * w30.s1 + w40.s1) + 4.f * + (16.f * w00.s2 + 8.f * w10.s2 + 4.f * w20.s2 + 2.f * w30.s2 + w40.s2) + 8.f * (16.f * w00.s3 + 8.f * w10.s3 + 4.f * w20.s3 + 2.f * w30.s3 + w40.s3) + 16.f * + (16.f * w01 + 8.f * w11 + 4.f * w21 + 2.f * w31 + w41)) / 16200.f; + out5.s4 = ((16.f * w00.s0 + 8.f * w10.s0 + 4.f * w20.s0 + 2.f * w30.s0 + w40.s0) - 2.f * (16.f * w00.s1 + 8.f * w10.s1 + 4.f * w20.s1 + 2.f * w30.s1 + w40.s1) + 4.f * + (16.f * w00.s2 + 8.f * w10.s2 + 4.f * w20.s2 + 2.f * w30.s2 + w40.s2) - 8.f * (16.f * w00.s3 + 8.f * w10.s3 + 4.f * w20.s3 + 2.f * w30.s3 + w40.s3) + 16.f * + (16.f * w01 + 8.f * w11 + 4.f * w21 + 2.f * w31 + w41)) / 16200.f; + out5.s5 = (16.f * (16.f * w00.s0 + 8.f * w10.s0 + 4.f * w20.s0 + 2.f * w30.s0 + w40.s0) + 8.f * (16.f * w00.s1 + 8.f * w10.s1 + 4.f * w20.s1 + 2.f * w30.s1 + w40.s1) + 4.f * + (16.f * w00.s2 + 8.f * w10.s2 + 4.f * w20.s2 + 2.f * w30.s2 + w40.s2) + 2.f * (16.f * w00.s3 + 8.f * w10.s3 + 4.f * w20.s3 + 2.f * w30.s3 + w40.s3) + + (16.f * w01 + 8.f * w11 + 4.f * w21 + 2.f * w31 + w41)) / 32400.f; + out5.s6 = (16.f * (16.f * w00.s0 + 8.f * w10.s0 + 4.f * w20.s0 + 2.f * w30.s0 + w40.s0) - 8.f * (16.f * w00.s1 + 8.f * w10.s1 + 4.f * w20.s1 + 2.f * w30.s1 + w40.s1) + 4.f * + (16.f * w00.s2 + 8.f * w10.s2 + 4.f * w20.s2 + 2.f * w30.s2 + w40.s2) - 2.f * (16.f * w00.s3 + 8.f * w10.s3 + 4.f * w20.s3 + 2.f * w30.s3 + w40.s3) + + (16.f * w01 + 8.f * w11 + 4.f * w21 + 2.f * w31 + w41)) / 32400.f; + out5.s7 = (16.f * w01 + 8.f * w11 + 4.f * w21 + 2.f * w31 + w41) / 180.f; + + // Row 6 + VEC_DATA_TYPE(DATA_TYPE, 8) + out6 = 0.0f; + out6.s0 = (16.f * w00.s0 - 8.f * w10.s0 + 4.f * w20.s0 - 2.f * w30.s0 + w40.s0) / 180.f; + out6.s1 = -((16.f * w00.s0 - 8.f * w10.s0 + 4.f * w20.s0 - 2.f * w30.s0 + w40.s0) + (16.f * w00.s1 - 8.f * w10.s1 + 4.f * w20.s1 - 2.f * w30.s1 + w40.s1) + + (16.f * w00.s2 - 8.f * w10.s2 + 4.f * w20.s2 - 2.f * w30.s2 + w40.s2) + (16.f * w00.s3 - 8.f * w10.s3 + 4.f * w20.s3 - 2.f * w30.s3 + w40.s3) + + (16.f * w01 - 8.f * w11 + 4.f * w21 - 2.f * w31 + w41)) / 810.f; + out6.s2 = -((16.f * w00.s0 - 8.f * w10.s0 + 4.f * w20.s0 - 2.f * w30.s0 + w40.s0) - (16.f * w00.s1 - 8.f * w10.s1 + 4.f * w20.s1 - 2.f * w30.s1 + w40.s1) + + (16.f * w00.s2 - 8.f * w10.s2 + 4.f * w20.s2 - 2.f * w30.s2 + w40.s2) - (16.f * w00.s3 - 8.f * w10.s3 + 4.f * w20.s3 - 2.f * w30.s3 + w40.s3) + + (16.f * w01 - 8.f * w11 + 4.f * w21 - 2.f * w31 + w41)) / 810.f; + out6.s3 = ((16.f * w00.s0 - 8.f * w10.s0 + 4.f * w20.s0 - 2.f * w30.s0 + w40.s0) + 2.f * (16.f * w00.s1 - 8.f * w10.s1 + 4.f * w20.s1 - 2.f * w30.s1 + w40.s1) + 4.f * + (16.f * w00.s2 - 8.f * w10.s2 + 4.f * w20.s2 - 2.f * w30.s2 + w40.s2) + 8.f * (16.f * w00.s3 - 8.f * w10.s3 + 4.f * w20.s3 - 2.f * w30.s3 + w40.s3) + 16.f * + (16.f * w01 - 8.f * w11 + 4.f * w21 - 2.f * w31 + w41)) / 16200.f; + out6.s4 = ((16.f * w00.s0 - 8.f * w10.s0 + 4.f * w20.s0 - 2.f * w30.s0 + w40.s0) - 2.f * (16.f * w00.s1 - 8.f * w10.s1 + 4.f * w20.s1 - 2.f * w30.s1 + w40.s1) + 4.f * + (16.f * w00.s2 - 8.f * w10.s2 + 4.f * w20.s2 - 2.f * w30.s2 + w40.s2) - 8.f * (16.f * w00.s3 - 8.f * w10.s3 + 4.f * w20.s3 - 2.f * w30.s3 + w40.s3) + 16.f * + (16.f * w01 - 8.f * w11 + 4.f * w21 - 2.f * w31 + w41)) / 16200.f; + out6.s5 = (16.f * (16.f * w00.s0 - 8.f * w10.s0 + 4.f * w20.s0 - 2.f * w30.s0 + w40.s0) + 8.f * (16.f * w00.s1 - 8.f * w10.s1 + 4.f * w20.s1 - 2.f * w30.s1 + w40.s1) + 4.f * + (16.f * w00.s2 - 8.f * w10.s2 + 4.f * w20.s2 - 2.f * w30.s2 + w40.s2) + 2.f * (16.f * w00.s3 - 8.f * w10.s3 + 4.f * w20.s3 - 2.f * w30.s3 + w40.s3) + + (16.f * w01 - 8.f * w11 + 4.f * w21 - 2.f * w31 + w41)) / 32400.f; + out6.s6 = (16.f * (16.f * w00.s0 - 8.f * w10.s0 + 4.f * w20.s0 - 2.f * w30.s0 + w40.s0) - 8.f * (16.f * w00.s1 - 8.f * w10.s1 + 4.f * w20.s1 - 2.f * w30.s1 + w40.s1) + 4.f * + (16.f * w00.s2 - 8.f * w10.s2 + 4.f * w20.s2 - 2.f * w30.s2 + w40.s2) - 2.f * (16.f * w00.s3 - 8.f * w10.s3 + 4.f * w20.s3 - 2.f * w30.s3 + w40.s3) + + (16.f * w01 - 8.f * w11 + 4.f * w21 - 2.f * w31 + w41)) / 32400.f; + out6.s7 = (16.f * w01 - 8.f * w11 + 4.f * w21 - 2.f * w31 + w41) / 180.f; + + // Row 7 + VEC_DATA_TYPE(DATA_TYPE, 8) + out7 = 0.0f; + out7.s0 = w40.s0; + out7.s1 = -2.f * (w40.s0 + w40.s1 + w40.s2 + w40.s3 + w41) / 9.f; + out7.s2 = -2.f * (w40.s0 - w40.s1 + w40.s2 - w40.s3 + w41) / 9.f; + out7.s3 = (w40.s0 + 2.f * w40.s1 + 4.f * w40.s2 + 8.f * w40.s3 + 16.f * w41) / 90.f; + out7.s4 = (w40.s0 - 2.f * w40.s1 + 4.f * w40.s2 - 8.f * w40.s3 + 16.f * w41) / 90.f; + out7.s5 = (16.f * w40.s0 + 8.f * w40.s1 + 4.f * w40.s2 + 2.f * w40.s3 + w41) / 180.f; + out7.s6 = (16.f * w40.s0 - 8.f * w40.s1 + 4.f * w40.s2 - 2.f * w40.s3 + w41) / 180.f; + out7.s7 = w41; +#endif // !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + + int z = get_global_id(2); + int x0 = z / SRC_DIM_Z; // idx filter + int y0 = z % SRC_DIM_Z; // idx channel + + // Get output address + __global uchar *dst_addr = dst_ptr + dst_offset_first_element_in_bytes + x0 * sizeof(DATA_TYPE) + y0 * dst_stride_y; + + // Store the values across the channels + *(__global DATA_TYPE *)(dst_addr + 0 * dst_stride_z) = out0.s0; + *(__global DATA_TYPE *)(dst_addr + 1 * dst_stride_z) = out0.s1; + *(__global DATA_TYPE *)(dst_addr + 2 * dst_stride_z) = out0.s2; + *(__global DATA_TYPE *)(dst_addr + 3 * dst_stride_z) = out0.s3; + *(__global DATA_TYPE *)(dst_addr + 4 * dst_stride_z) = out0.s4; + *(__global DATA_TYPE *)(dst_addr + 5 * dst_stride_z) = out0.s5; + *(__global DATA_TYPE *)(dst_addr + 6 * dst_stride_z) = out0.s6; + *(__global DATA_TYPE *)(dst_addr + 7 * dst_stride_z) = out0.s7; + +#if !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) + *(__global DATA_TYPE *)(dst_addr + 8 * dst_stride_z) = out1.s0; + *(__global DATA_TYPE *)(dst_addr + 9 * dst_stride_z) = out1.s1; + *(__global DATA_TYPE *)(dst_addr + 10 * dst_stride_z) = out1.s2; + *(__global DATA_TYPE *)(dst_addr + 11 * dst_stride_z) = out1.s3; + *(__global DATA_TYPE *)(dst_addr + 12 * dst_stride_z) = out1.s4; + *(__global DATA_TYPE *)(dst_addr + 13 * dst_stride_z) = out1.s5; + *(__global DATA_TYPE *)(dst_addr + 14 * dst_stride_z) = out1.s6; + *(__global DATA_TYPE *)(dst_addr + 15 * dst_stride_z) = out1.s7; + *(__global DATA_TYPE *)(dst_addr + 16 * dst_stride_z) = out2.s0; + *(__global DATA_TYPE *)(dst_addr + 17 * dst_stride_z) = out2.s1; + *(__global DATA_TYPE *)(dst_addr + 18 * dst_stride_z) = out2.s2; + *(__global DATA_TYPE *)(dst_addr + 19 * dst_stride_z) = out2.s3; + *(__global DATA_TYPE *)(dst_addr + 20 * dst_stride_z) = out2.s4; + *(__global DATA_TYPE *)(dst_addr + 21 * dst_stride_z) = out2.s5; + *(__global DATA_TYPE *)(dst_addr + 22 * dst_stride_z) = out2.s6; + *(__global DATA_TYPE *)(dst_addr + 23 * dst_stride_z) = out2.s7; + *(__global DATA_TYPE *)(dst_addr + 24 * dst_stride_z) = out3.s0; + *(__global DATA_TYPE *)(dst_addr + 25 * dst_stride_z) = out3.s1; + *(__global DATA_TYPE *)(dst_addr + 26 * dst_stride_z) = out3.s2; + *(__global DATA_TYPE *)(dst_addr + 27 * dst_stride_z) = out3.s3; + *(__global DATA_TYPE *)(dst_addr + 28 * dst_stride_z) = out3.s4; + *(__global DATA_TYPE *)(dst_addr + 29 * dst_stride_z) = out3.s5; + *(__global DATA_TYPE *)(dst_addr + 30 * dst_stride_z) = out3.s6; + *(__global DATA_TYPE *)(dst_addr + 31 * dst_stride_z) = out3.s7; + *(__global DATA_TYPE *)(dst_addr + 32 * dst_stride_z) = out4.s0; + *(__global DATA_TYPE *)(dst_addr + 33 * dst_stride_z) = out4.s1; + *(__global DATA_TYPE *)(dst_addr + 34 * dst_stride_z) = out4.s2; + *(__global DATA_TYPE *)(dst_addr + 35 * dst_stride_z) = out4.s3; + *(__global DATA_TYPE *)(dst_addr + 36 * dst_stride_z) = out4.s4; + *(__global DATA_TYPE *)(dst_addr + 37 * dst_stride_z) = out4.s5; + *(__global DATA_TYPE *)(dst_addr + 38 * dst_stride_z) = out4.s6; + *(__global DATA_TYPE *)(dst_addr + 39 * dst_stride_z) = out4.s7; + *(__global DATA_TYPE *)(dst_addr + 40 * dst_stride_z) = out5.s0; + *(__global DATA_TYPE *)(dst_addr + 41 * dst_stride_z) = out5.s1; + *(__global DATA_TYPE *)(dst_addr + 42 * dst_stride_z) = out5.s2; + *(__global DATA_TYPE *)(dst_addr + 43 * dst_stride_z) = out5.s3; + *(__global DATA_TYPE *)(dst_addr + 44 * dst_stride_z) = out5.s4; + *(__global DATA_TYPE *)(dst_addr + 45 * dst_stride_z) = out5.s5; + *(__global DATA_TYPE *)(dst_addr + 46 * dst_stride_z) = out5.s6; + *(__global DATA_TYPE *)(dst_addr + 47 * dst_stride_z) = out5.s7; + *(__global DATA_TYPE *)(dst_addr + 48 * dst_stride_z) = out6.s0; + *(__global DATA_TYPE *)(dst_addr + 49 * dst_stride_z) = out6.s1; + *(__global DATA_TYPE *)(dst_addr + 50 * dst_stride_z) = out6.s2; + *(__global DATA_TYPE *)(dst_addr + 51 * dst_stride_z) = out6.s3; + *(__global DATA_TYPE *)(dst_addr + 52 * dst_stride_z) = out6.s4; + *(__global DATA_TYPE *)(dst_addr + 53 * dst_stride_z) = out6.s5; + *(__global DATA_TYPE *)(dst_addr + 54 * dst_stride_z) = out6.s6; + *(__global DATA_TYPE *)(dst_addr + 55 * dst_stride_z) = out6.s7; + *(__global DATA_TYPE *)(dst_addr + 56 * dst_stride_z) = out7.s0; + *(__global DATA_TYPE *)(dst_addr + 57 * dst_stride_z) = out7.s1; + *(__global DATA_TYPE *)(dst_addr + 58 * dst_stride_z) = out7.s2; + *(__global DATA_TYPE *)(dst_addr + 59 * dst_stride_z) = out7.s3; + *(__global DATA_TYPE *)(dst_addr + 60 * dst_stride_z) = out7.s4; + *(__global DATA_TYPE *)(dst_addr + 61 * dst_stride_z) = out7.s5; + *(__global DATA_TYPE *)(dst_addr + 62 * dst_stride_z) = out7.s6; + *(__global DATA_TYPE *)(dst_addr + 63 * dst_stride_z) = out7.s7; +#endif // !defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) && !defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) +} + +#endif // defined(SRC_DIM_Z) + +#if defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) +/** This OpenCL kernel performs Winograd filter transform 3x1 when the data layout is NCHW and the output tile is 2x1 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * @note -DWINOGRAD_FILTER_TRANSFORM_HORIZONTAL has to be passed at compile time to perform Winograd Filter Transform + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_2x1_3x1_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + winograd_filter_transform_2x2_3x3_nchw(src_ptr, + src_stride_x, + src_step_x, + src_stride_y, + src_step_y, + src_stride_z, + src_step_z, + src_stride_w, + src_step_w, + src_offset_first_element_in_bytes, + dst_ptr, + dst_stride_x, + dst_step_x, + dst_stride_y, + dst_step_y, + dst_stride_z, + dst_step_z, + dst_offset_first_element_in_bytes); +} + +/** This OpenCL kernel performs Winograd filter transform 3x1 when the data layout is NCHW and the output tile is 4x1 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * @note -DWINOGRAD_FILTER_TRANSFORM_HORIZONTAL has to be passed at compile time to perform Winograd Filter Transform + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_4x1_3x1_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + winograd_filter_transform_4x4_3x3_nchw(src_ptr, + src_stride_x, + src_step_x, + src_stride_y, + src_step_y, + src_stride_z, + src_step_z, + src_stride_w, + src_step_w, + src_offset_first_element_in_bytes, + dst_ptr, + dst_stride_x, + dst_step_x, + dst_stride_y, + dst_step_y, + dst_stride_z, + dst_step_z, + dst_offset_first_element_in_bytes); +} + +/** This OpenCL kernel performs Winograd filter transform 5x1 when the data layout is NCHW and the output tile is 4x1 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * @note -DWINOGRAD_FILTER_TRANSFORM_HORIZONTAL has to be passed at compile time to perform Winograd Filter Transform + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_4x1_5x1_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + winograd_filter_transform_4x4_5x5_nchw(src_ptr, + src_stride_x, + src_step_x, + src_stride_y, + src_step_y, + src_stride_z, + src_step_z, + src_stride_w, + src_step_w, + src_offset_first_element_in_bytes, + dst_ptr, + dst_stride_x, + dst_step_x, + dst_stride_y, + dst_step_y, + dst_stride_z, + dst_step_z, + dst_offset_first_element_in_bytes); +} + +#endif // defined(WINOGRAD_FILTER_TRANSFORM_HORIZONTAL) + +#if defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) +/** This OpenCL kernel performs Winograd filter transform 1x3 when the data layout is NCHW and the output tile is 1x2 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * @note -DWINOGRAD_FILTER_TRANSFORM_VERTICAL has to be passed at compile time to perform Winograd Filter Transform + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_1x2_1x3_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + winograd_filter_transform_2x2_3x3_nchw(src_ptr, + src_stride_x, + src_step_x, + src_stride_y, + src_step_y, + src_stride_z, + src_step_z, + src_stride_w, + src_step_w, + src_offset_first_element_in_bytes, + dst_ptr, + dst_stride_x, + dst_step_x, + dst_stride_y, + dst_step_y, + dst_stride_z, + dst_step_z, + dst_offset_first_element_in_bytes); +} + +/** This OpenCL kernel performs Winograd filter transform 1x3 when the data layout is NCHW and the output tile is 1x4 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * @note -DWINOGRAD_FILTER_TRANSFORM_VERTICAL has to be passed at compile time to perform Winograd Filter Transform + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_1x4_1x3_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + winograd_filter_transform_4x4_3x3_nchw(src_ptr, + src_stride_x, + src_step_x, + src_stride_y, + src_step_y, + src_stride_z, + src_step_z, + src_stride_w, + src_step_w, + src_offset_first_element_in_bytes, + dst_ptr, + dst_stride_x, + dst_step_x, + dst_stride_y, + dst_step_y, + dst_stride_z, + dst_step_z, + dst_offset_first_element_in_bytes); +} + +/** This OpenCL kernel performs Winograd filter transform 1x5 when the data layout is NCHW and the output tile is 1x4 + * + * @note In order to correctly split the input tensor in batches, its dimension across the Z axis (channels for NCHW, height for NHWC) must be passed at compile time using -DSRC_DIM_Z: e.g. -DSRC_DIM_Z=64 + * @note -DWINOGRAD_FILTER_TRANSFORM_VERTICAL has to be passed at compile time to perform Winograd Filter Transform + * @note The data type must be passed at compile time using -DDATA_TYPE e.g. -DDATA_TYPE=float. Supported data types: float/half. + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F32/F16 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void winograd_filter_transform_1x4_1x5_nchw( + TENSOR4D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + winograd_filter_transform_4x4_5x5_nchw(src_ptr, + src_stride_x, + src_step_x, + src_stride_y, + src_step_y, + src_stride_z, + src_step_z, + src_stride_w, + src_step_w, + src_offset_first_element_in_bytes, + dst_ptr, + dst_stride_x, + dst_step_x, + dst_stride_y, + dst_step_y, + dst_stride_z, + dst_step_z, + dst_offset_first_element_in_bytes); +} + +#endif // defined(WINOGRAD_FILTER_TRANSFORM_VERTICAL) |