1/* 2 * Copyright (c) 2018-2021 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(OP) && defined(VEC_SIZE_IN1) && defined(VEC_SIZE_IN2) && defined(VEC_SIZE_OUT) && defined(DATA_TYPE) 27 28/** List of all the operations supported by this kernel. 29 * @note ADD and SUB operations, when executed on integers, support saturation */ 30#ifdef SATURATE 31#define ADD(x, y) add_sat((x), (y)) 32#define SUB(x, y) sub_sat((x), (y)) 33#else /* SATURATE */ 34#define ADD(x, y) (x) + (y) 35#define SUB(x, y) (x) - (y) 36#endif /* SATURATE */ 37 38#define MAX(x, y) max(x, y) 39#define MIN(x, y) min(x, y) 40#define SQUARED_DIFF(x, y) (x - y) * (x - y) 41#define POWER(x, y) pow(x, y) 42 43#if VEC_SIZE_OUT == 1 44#define PRELU(x, y) (x > 0 ? x : x * y) 45#else // VEC_SIZE_OUT == 1 46#define PRELU(x, y) (select(y * x, x, CONVERT((x > (DATA_TYPE)0), SELECT_VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT)))) 47#endif // VEC_SIZE_OUT == 1 48 49#if defined(S32) 50#define DIV(x, y) CONVERT(floor(CONVERT(x, VEC_DATA_TYPE(float, VEC_SIZE_OUT)) / CONVERT(y, VEC_DATA_TYPE(float, VEC_SIZE_OUT))), VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT)); 51#else /* S32 */ 52#define DIV(x, y) (x / y) 53#endif /* S32 */ 54 55#define AND(x, y) (CONVERT((x && y), VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT)) & ((VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT))1)) 56#define OR(x, y) (CONVERT((x || y), VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT)) & ((VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT))1)) 57 58#define OP_FUN_NAME_STR(op) elementwise_operation_##op 59#define OP_FUN_NAME(op) OP_FUN_NAME_STR(op) 60 61#if defined(ACTIVATION_TYPE) 62#include "activation_float_helpers.h" 63#endif // defined(ACTIVATION_TYPE) 64 65/** This function executes an element-wise operation among two tensors. 66 * 67 * @note Vector sizes of inputs and output have to be passed at compile time using -DVEC_SIZE_IN1, -DVEC_SIZE_IN2, -DVEC_SIZE_OUT. 68 * @note Leftover vector size has to be passed at compile time using -DVEC_SIZE_LEFTOVER. e.g. -DVEC_SIZE_OUT=3. It is defined as the remainder between the input's first dimension and VEC_SIZE_OUT 69 * @note The input and output data_types need to be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=uchar 70 * @note To perform saturating operation -DSATURATE has to be passed to the compiler otherwise wrapping policy will be used. 71 * @note The element-wise operation to be executed has to be passed at compile time using -DOP (e.g., -DOP=ADD) 72 * 73 * @param[in] in1_ptr Pointer to the source tensor. Supported data types: U8/S16/F16/F32 74 * @param[in] in1_stride_x Stride of the source tensor in X dimension (in bytes) 75 * @param[in] in1_step_x in1_stride_x * number of elements along X processed per workitem(in bytes) 76 * @param[in] in1_stride_y Stride of the source tensor in Y dimension (in bytes) 77 * @param[in] in1_step_y in1_stride_y * number of elements along Y processed per workitem(in bytes) 78 * @param[in] in1_stride_z Stride of the source tensor in Z dimension (in bytes) 79 * @param[in] in1_step_z in1_stride_z * number of elements along Z processed per workitem(in bytes) 80 * @param[in] in1_offset_first_element_in_bytes The offset of the first element in the source tensor 81 * @param[in] in2_ptr Pointer to the source tensor. Supported data types: U8/S16/F16/F32 82 * @param[in] in2_stride_x Stride of the source tensor in X dimension (in bytes) 83 * @param[in] in2_step_x in2_stride_x * number of elements along X processed per workitem(in bytes) 84 * @param[in] in2_stride_y Stride of the source tensor in Y dimension (in bytes) 85 * @param[in] in2_step_y in2_stride_y * number of elements along Y processed per workitem(in bytes) 86 * @param[in] in2_stride_z Stride of the source tensor in Z dimension (in bytes) 87 * @param[in] in2_step_z in2_stride_z * number of elements along Z processed per workitem(in bytes) 88 * @param[in] in2_offset_first_element_in_bytes The offset of the first element in the source tensor 89 * @param[out] out_ptr Pointer to the destination tensor. Supported data types: U8 (only if both inputs are U8), S16/F16/F32 90 * @param[in] out_stride_x Stride of the destination tensor in X dimension (in bytes) 91 * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) 92 * @param[in] out_stride_y Stride of the destination tensor in Y dimension (in bytes) 93 * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) 94 * @param[in] out_stride_z Stride of the source tensor in Z dimension (in bytes) 95 * @param[in] out_step_z out_stride_z * number of elements along Z processed per workitem(in bytes) 96 * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination tensor 97 */ 98__kernel void OP_FUN_NAME(OP)( 99 TENSOR3D_DECLARATION(in1), 100 TENSOR3D_DECLARATION(in2) 101#if !defined(IN_PLACE) 102 , 103 TENSOR3D_DECLARATION(out) 104#endif // !defined(IN_PLACE) 105) 106{ 107#if VEC_SIZE_IN1 == 1 108 uint in1_x_offs = 0; 109#else // VEC_SIZE_IN1 == 1 110 uint in1_x_offs = max((int)(get_global_id(0) * VEC_SIZE_IN1 - (VEC_SIZE_IN1 - VEC_SIZE_LEFTOVER) % VEC_SIZE_IN1), 0); 111#endif // VEC_SIZE_IN1 == 1 112#if VEC_SIZE_IN2 == 1 113 uint in2_x_offs = 0; 114#else // VEC_SIZE_IN2 == 1 115 uint in2_x_offs = max((int)(get_global_id(0) * VEC_SIZE_IN2 - (VEC_SIZE_IN2 - VEC_SIZE_LEFTOVER) % VEC_SIZE_IN2), 0); 116#endif // VEC_SIZE_IN2 == 1 117#if !defined(IN_PLACE) 118 uint out_x_offs = max((int)(get_global_id(0) * VEC_SIZE_OUT - (VEC_SIZE_OUT - VEC_SIZE_LEFTOVER) % VEC_SIZE_OUT), 0); 119#endif // !defined(IN_PLACE) 120 121 // Get pixels pointer 122 __global uchar *in1_addr = in1_ptr + in1_offset_first_element_in_bytes + in1_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * in1_step_y + get_global_id(2) * in1_step_z; 123 __global uchar *in2_addr = in2_ptr + in2_offset_first_element_in_bytes + in2_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * in2_step_y + get_global_id(2) * in2_step_z; 124 __global uchar * 125#if !defined(IN_PLACE) 126 out_addr = out_ptr + out_offset_first_element_in_bytes + out_x_offs * sizeof(DATA_TYPE) + get_global_id(1) * out_step_y + get_global_id(2) * out_step_z; 127#else // !defined(IN_PLACE) 128#if defined(SRC1_IN_PLACE) 129 out_addr = in1_addr; 130#else //defined(SRC1_IN_PLACE) 131 out_addr = in2_addr; 132#endif //defined(SRC1_IN_PLACE) 133#endif // !defined(IN_PLACE) 134 135 // Load values 136 VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT) 137 in_a = CONVERT((VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT))(VLOAD(VEC_SIZE_IN1)(0, (__global DATA_TYPE *)in1_addr)), VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT)); 138 VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT) 139 in_b = CONVERT((VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT))(VLOAD(VEC_SIZE_IN2)(0, (__global DATA_TYPE *)in2_addr)), VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT)); 140 141 // Calculate and store result 142 VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE_OUT) 143 res0 = OP(in_a, in_b); 144#if defined(ACTIVATION_TYPE) 145 res0 = ACTIVATION(ACTIVATION_TYPE, DATA_TYPE, VEC_SIZE_OUT, res0, A_VAL, B_VAL); 146#endif // defined(ACTIVATION_TYPE) 147 148 STORE_VECTOR_SELECT(res, DATA_TYPE, out_addr, VEC_SIZE_OUT, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0) 149} 150#endif /* defined(OP) && defined(VEC_SIZE_IN1) && defined(VEC_SIZE_IN2) && defined(VEC_SIZE_OUT) && defined(DATA_TYPE) */ 151