/* * 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 "helpers.h" #define SWAP_ROW(u0, l0) \ ({ \ tmp_swap = u0; \ u0 = l0; \ l0 = tmp_swap; \ }) #define SWAP_4x4(u0, u1, u2, u3, l0, l1, l2, l3) \ ({ \ VEC_DATA_TYPE(DATA_TYPE, 4) \ tmp_swap; \ SWAP_ROW(u0, l0); \ SWAP_ROW(u1, l1); \ SWAP_ROW(u2, l2); \ SWAP_ROW(u3, l3); \ }) #define SWAP_8x8(u0, u1, u2, u3, u4, u5, u6, u7, l0, l1, l2, l3, l4, l5, l6, l7) \ ({ \ VEC_DATA_TYPE(DATA_TYPE, 8) \ tmp_swap; \ SWAP_ROW(u0, l0); \ SWAP_ROW(u1, l1); \ SWAP_ROW(u2, l2); \ SWAP_ROW(u3, l3); \ SWAP_ROW(u4, l4); \ SWAP_ROW(u5, l5); \ SWAP_ROW(u6, l6); \ SWAP_ROW(u7, l7); \ }) #define TRANSPOSE_4x4(u0, u1, u2, u3) \ ({ \ VEC_DATA_TYPE(DATA_TYPE, 4) \ tmp; \ tmp.s012 = u0.s123; \ u0.s1 = u1.s0; \ u0.s2 = u2.s0; \ u0.s3 = u3.s0; \ u1.s0 = tmp.s0; \ u2.s0 = tmp.s1; \ u3.s0 = tmp.s2; \ \ tmp.s01 = u1.s23; \ u1.s2 = u2.s1; \ u1.s3 = u3.s1; \ u2.s1 = tmp.s0; \ u3.s1 = tmp.s1; \ \ tmp.s0 = u2.s3; \ u2.s3 = u3.s2; \ u3.s2 = tmp.s0; \ }) #define TRANSPOSE_8x8(u0, u1, u2, u3, u4, u5, u6, u7) \ ({ \ TRANSPOSE_4x4(u0.s0123, u1.s0123, u2.s0123, u3.s0123); \ TRANSPOSE_4x4(u0.s4567, u1.s4567, u2.s4567, u3.s4567); \ TRANSPOSE_4x4(u4.s0123, u5.s0123, u6.s0123, u7.s0123); \ TRANSPOSE_4x4(u4.s4567, u5.s4567, u6.s4567, u7.s4567); \ SWAP_4x4(u0.s4567, u1.s4567, u2.s4567, u3.s4567, u4.s0123, u5.s0123, u6.s0123, u7.s0123); \ }) #define TRANSPOSE_16x16(u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15) \ ({ \ TRANSPOSE_8x8(u0.s01234567, u1.s01234567, u2.s01234567, u3.s01234567, u4.s01234567, u5.s01234567, u6.s01234567, u7.s01234567); \ TRANSPOSE_8x8(u0.s89ABCDEF, u1.s89ABCDEF, u2.s89ABCDEF, u3.s89ABCDEF, u4.s89ABCDEF, u5.s89ABCDEF, u6.s89ABCDEF, u7.s89ABCDEF); \ TRANSPOSE_8x8(u8.s01234567, u9.s01234567, u10.s01234567, u11.s01234567, u12.s01234567, u13.s01234567, u14.s01234567, u15.s01234567); \ TRANSPOSE_8x8(u8.s89ABCDEF, u9.s89ABCDEF, u10.s89ABCDEF, u11.s89ABCDEF, u12.s89ABCDEF, u13.s89ABCDEF, u14.s89ABCDEF, u15.s89ABCDEF); \ SWAP_8x8(u0.s89ABCDEF, u1.s89ABCDEF, u2.s89ABCDEF, u3.s89ABCDEF, u4.s89ABCDEF, u5.s89ABCDEF, u6.s89ABCDEF, u7.s89ABCDEF, \ u8.s01234567, u9.s01234567, u10.s01234567, u11.s01234567, u12.s01234567, u13.s01234567, u14.s01234567, u15.s01234567); \ }) #ifndef DATA_TYPE_IN_BYTES #error DATA_TYPE_IN_BYTES not set for the transpose OpenCL kernel #endif /* not DATA_TYPE_IN_BYTES */ #undef VLOAD #undef VSTORE #if DATA_TYPE_IN_BYTES == 4 #define DATA_TYPE uint #define TRANSPOSE() TRANSPOSE_4x4(u0, u1, u2, u3) #define VLOAD(x, y) vload4(x, y) #define VSTORE(x, y, z) vstore4(x, y, z) #define BLOCK_SIZE 4 #elif DATA_TYPE_IN_BYTES == 2 #define DATA_TYPE ushort #define TRANSPOSE() TRANSPOSE_8x8(u0, u1, u2, u3, u4, u5, u6, u7) #define VLOAD(x, y) vload8(x, y) #define VSTORE(x, y, z) vstore8(x, y, z) #define BLOCK_SIZE 8 #elif DATA_TYPE_IN_BYTES == 1 #define DATA_TYPE uchar #define TRANSPOSE() TRANSPOSE_16x16(u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15) #define VLOAD(x, y) vload16(x, y) #define VSTORE(x, y, z) vstore16(x, y, z) #define BLOCK_SIZE 16 #else /* switch DATA_TYPE_IN_BYTES */ #error DATA_TYPE_IN_BYTES not supported for transpose #endif /* switch DATA_TYPE_IN_BYTES */ /** This OpenCL kernel computes the matrix transposition of input matrix * * @attention The number of bytes of the data type need to be passed at compile time using -DDATA_TYPE_IN_BYTES. DATA_TYPE_IN_BYTES can be: * -# -DDATA_TYPE_IN_BYTES=1 for transposing U8 or S8 matrices * -# -DDATA_TYPE_IN_BYTES=2 for transposing U16, S16 or FP16 matrices * -# -DDATA_TYPE_IN_BYTES=4 for transposing U32, S32 or FP32 matrices * * @param[in] src_ptr Pointer to the source matrix. Supported data types: U8/S8/U16/S16/F16/U32/S32/F32 * @param[in] src_stride_x Stride of the source matrix 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 matrix 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_offset_first_element_in_bytes The offset of the first element in the source matrix * @param[out] dst_ptr Pointer to the destination matrix Supported data type: same as src_ptr * @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes) * @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes) * @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes) * @param[in] dst_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes) * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination matrix */ __kernel void transpose(IMAGE_DECLARATION(src), IMAGE_DECLARATION(dst)) { uint x = get_global_id(0) * BLOCK_SIZE; uint y = get_global_id(1) * BLOCK_SIZE; // Compute source address Image src = CONVERT_TO_IMAGE_STRUCT(src); // Load the NxN block at (x, y) VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u0 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 0))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u1 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 1))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u2 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 2))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u3 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 3))); #if BLOCK_SIZE > 4 VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u4 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 4))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u5 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 5))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u6 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 6))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u7 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 7))); #if BLOCK_SIZE == 16 VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u8 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 8))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u9 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 9))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u10 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 10))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u11 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 11))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u12 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 12))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u13 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 13))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u14 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 14))); VEC_DATA_TYPE(DATA_TYPE, BLOCK_SIZE) u15 = VLOAD(0, (__global DATA_TYPE *)(offset(&src, 0, 15))); #endif /* BLOCK_SIZE == 16 */ #endif /* BLOCK_SIZE > 4 */ // Transpose the block TRANSPOSE(); // Store the block at (y, x) uint dst_offset_in_bytes = y * DATA_TYPE_IN_BYTES + x * dst_stride_y + dst_offset_first_element_in_bytes; VSTORE(u0, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 0 * dst_stride_y)); VSTORE(u1, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 1 * dst_stride_y)); VSTORE(u2, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 2 * dst_stride_y)); VSTORE(u3, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 3 * dst_stride_y)); #if BLOCK_SIZE > 4 VSTORE(u4, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 4 * dst_stride_y)); VSTORE(u5, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 5 * dst_stride_y)); VSTORE(u6, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 6 * dst_stride_y)); VSTORE(u7, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 7 * dst_stride_y)); #if BLOCK_SIZE == 16 VSTORE(u8, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 8 * dst_stride_y)); VSTORE(u9, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 9 * dst_stride_y)); VSTORE(u10, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 10 * dst_stride_y)); VSTORE(u11, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 11 * dst_stride_y)); VSTORE(u12, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 12 * dst_stride_y)); VSTORE(u13, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 13 * dst_stride_y)); VSTORE(u14, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 14 * dst_stride_y)); VSTORE(u15, 0, (__global DATA_TYPE *)(dst_ptr + dst_offset_in_bytes + 15 * dst_stride_y)); #endif /* BLOCK_SIZE == 16 */ #endif /* BLOCK_SIZE > 4 */ }