1/* 2 * Copyright (c) 2017-2021 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24#include "helpers.h" 25 26#if defined(VEC_SIZE) && defined(VEC_SIZE_LEFTOVER) 27 28/** Perform a floor operation on an input tensor. 29 * 30 * @note Data type can be passed using the -DDATA_TYPE compile flag, e.g. -DDATA_TYPE=float 31 * @note Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16 32 * @note The leftover size in the X dimension shoud be given as preprocessor argument using -DVEC_SIZE_LEFTOVER is; x_dimension % VEC_SIZE. e.g. -DVEC_SIZE_LEFTOVER=1 33 * @note Can only take floating point data types. 34 * 35 * @param[in] input_ptr Pointer to the source image. Supported data types: F16/F32 36 * @param[in] input_stride_x Stride of the source image in X dimension (in bytes) 37 * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) 38 * @param[in] input_stride_y Stride of the source image in Y dimension (in bytes) 39 * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) 40 * @param[in] input_stride_z Stride of the source tensor in Z dimension (in bytes) 41 * @param[in] input_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) 42 * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source image 43 * @param[out] output_ptr Pointer to the destination image. Supported data types: same as @p input_ptr 44 * @param[in] output_stride_x Stride of the destination image in X dimension (in bytes) 45 * @param[in] output_step_x output_stride_x * number of elements along X processed per workitem(in bytes) 46 * @param[in] output_stride_y Stride of the destination image in Y dimension (in bytes) 47 * @param[in] output_step_y output_stride_y * number of elements along Y processed per workitem(in bytes) 48 * @param[in] output_stride_z Stride of the source tensor in Z dimension (in bytes) 49 * @param[in] output_step_z output_stride_z * number of elements along Z processed per workitem(in bytes) 50 * @param[in] output_offset_first_element_in_bytes The offset of the first element in the destination image 51 */ 52__kernel void floor_layer( 53 TENSOR3D_DECLARATION(input), 54 TENSOR3D_DECLARATION(output)) 55{ 56 // Offset computation 57 const uint x_offs = max((int)(get_global_id(0) * VEC_SIZE - (VEC_SIZE - VEC_SIZE_LEFTOVER) % VEC_SIZE), 0); 58 59 // Address computation 60 __global uchar *input_addr = input_ptr + input_offset_first_element_in_bytes + x_offs * sizeof(DATA_TYPE) + get_global_id(1) * input_stride_y + get_global_id(2) * input_stride_z; 61 __global uchar *output_addr = output_ptr + output_offset_first_element_in_bytes + x_offs * sizeof(DATA_TYPE) + get_global_id(1) * output_stride_y + get_global_id(2) * output_stride_z; 62 63 VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) 64 data0 = floor(VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)input_addr)); 65 66 STORE_VECTOR_SELECT(data, DATA_TYPE, output_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0); 67} 68#endif // defined(VEC_SIZE) && defined(VEC_SIZE_LEFTOVER)