| /* |
| * Copyright (c) 2023 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(DATA_TYPE) && defined(OPERATION) |
| // Calculate reverse square root |
| #define rsqrt_op(input) rsqrt(input) |
| #if defined(VEC_SIZE) |
| #define VEC_FLOAT VEC_DATA_TYPE(float, VEC_SIZE) |
| #define VEC_INT VEC_DATA_TYPE(int, VEC_SIZE) |
| #define VEC_TYPE VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) |
| #endif // defined(VEC_SIZE) |
| |
| /** Applies element wise unary operator in a tensor. |
| * |
| * @param[in] in_ptr Pointer to the source image. Supported data types: QASYMM8/QASYMM8_SIGNED. |
| * @param[in] in_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] in_step_x in_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] in_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] in_step_y in_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] in_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] in_step_z in_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] in_offset_first_element_in_bytes Offset of the first element in the source image |
| * @param[out] out_ptr Pointer to the destination image. Supported data types: QASYMM8/QASYMM8_SIGNED. |
| * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] out_step_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] out_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| * @param[in] out_step_z out_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] out_offset_first_element_in_bytes Offset of the first element in the destination image |
| */ |
| __kernel void elementwise_unary_quantized( |
| TENSOR3D_DECLARATION(in), |
| TENSOR3D_DECLARATION(out)) |
| { |
| Tensor3D in = CONVERT_TO_TENSOR3D_STRUCT(in); |
| Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT(out); |
| |
| // Check if access on width gets out of bounds |
| // If it does shift access vector to access elements within bounds |
| const int xi = (int)(get_global_id(0) * VEC_SIZE); |
| in.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * in_stride_x; |
| out.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * out_stride_x; |
| |
| VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) |
| data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)in.ptr); |
| VEC_DATA_TYPE(float, VEC_SIZE) |
| data_f32 = CONVERT(data, VEC_FLOAT); |
| data_f32 = (data_f32 - (float)OFFSET_IN) * (float)SCALE_IN; |
| VEC_INT qres_int = CONVERT_SAT((OPERATION(data_f32) / ((VEC_FLOAT)(float)SCALE_OUT)), VEC_INT) + ((VEC_INT)((int)OFFSET_OUT)); |
| const VEC_TYPE qres = CONVERT_SAT(qres_int, VEC_TYPE); |
| VSTORE(VEC_SIZE) |
| (qres, 0, (__global DATA_TYPE *)out.ptr); |
| } |
| #endif // defined(DATA_TYPE) && defined(OPERATION) |