| /* |
| * Copyright (c) 2016-2020 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 "activation_quant_helpers.h" |
| |
| #define VEC_FLOAT VEC_DATA_TYPE(float, VEC_SIZE) |
| |
| #if defined(FLOAT_DOMAIN) |
| // Activations performed in the float domain |
| |
| #include "activation_float_helpers.h" |
| |
| /** This performs an activation function on quantized inputs with float transformations. |
| * |
| * @note In order to perform the activation function "in-place", the pre-processor -DIN_PLACE must be passed at compile time |
| * |
| * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short |
| * @note Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16 |
| * @note Leftover vector size has to be passed at compile time using -DVEC_SIZE_LEFTOVER. e.g. -DVEC_SIZE=3. It is defined as the remainder between the input's first dimension and VEC_SIZE |
| * @note A, B variables required by some activation functions are set using -DA_VAL= and -DB_VAL= respectively. |
| * @note Quantization scales of the input/output tensors are passed in with -DS1_VAL= and -DS2_VAL= respectively. |
| * @note Quantization offsets of the input/output tensors are passed in only if asymmetric with -DO1_VAL= and -DO2_VAL= respectively. |
| * @note Quantized value of constant zero should be given as a preprocessor argument using -DCONST_0=value. e.g. -DCONST_0=128. |
| * |
| * @param[in] input_ptr Pointer to the source image. Supported data types: QASYMM8/QASYMM8_SIGNED/QSYMM16 |
| * @param[in] input_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] input_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] input_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] input_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] output_ptr (Optional) Pointer to the destination image. Supported data types: same as @p input_ptr |
| * @param[in] output_stride_x (Optional) Stride of the destination image in X dimension (in bytes) |
| * @param[in] output_step_x (Optional) output_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] output_stride_y (Optional) Stride of the destination image in Y dimension (in bytes) |
| * @param[in] output_step_y (Optional) output_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] output_stride_z (Optional) Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] output_step_z (Optional) output_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] output_offset_first_element_in_bytes (Optional) The offset of the first element in the destination image |
| */ |
| __kernel void activation_layer_quant_f32( |
| TENSOR3D_DECLARATION(input) |
| #ifndef IN_PLACE |
| , |
| TENSOR3D_DECLARATION(output) |
| #endif /* not IN_PLACE */ |
| ) |
| { |
| uint x_offs = max((int)(get_global_id(0) * VEC_SIZE * sizeof(DATA_TYPE) - (VEC_SIZE - VEC_SIZE_LEFTOVER) % VEC_SIZE * sizeof(DATA_TYPE)), 0); |
| |
| // Get pixels pointer |
| __global uchar *input_addr = input_ptr + input_offset_first_element_in_bytes + x_offs + get_global_id(1) * input_stride_y + get_global_id(2) * input_stride_z; |
| #ifdef IN_PLACE |
| __global uchar *output_addr = input_addr; |
| #else /* IN_PLACE */ |
| __global uchar *output_addr = output_ptr + output_offset_first_element_in_bytes + x_offs + get_global_id(1) * output_stride_y + get_global_id(2) * output_stride_z; |
| #endif /* IN_PLACE */ |
| |
| // Load data |
| TYPE data0 = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)input_addr); |
| |
| VEC_FLOAT data_flt = CONVERT(data0, VEC_FLOAT); |
| #if defined(O1_VAL) |
| data_flt = round(data_flt - (float)O1_VAL) * ((float)S1_VAL); |
| #else // defined(O1_VAL) |
| data_flt = round(data_flt) * ((float)S1_VAL); |
| #endif // defined(O1_VAL) |
| data_flt = ACTIVATION(ACT, float, data_flt, A_VAL, B_VAL); |
| |
| #if defined(O2_VAL) |
| data0 = CONVERT_SAT(round(data_flt / ((float)S2_VAL)) + (float)O2_VAL, TYPE); |
| #else // defined(O2_VAL) |
| data0 = CONVERT_SAT(round(data_flt / ((float)S2_VAL)), TYPE); |
| #endif // defined(O2_VAL) |
| |
| // Store result |
| STORE_VECTOR_SELECT(data, DATA_TYPE, output_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0) |
| } |
| |
| #else // defined(FLOAT_DOMAIN) |
| // Activations performed in the quantized domain |
| |
| #if defined(ACT) |
| /** This performs an activation function on quantized inputs. |
| * |
| * @note In order to perform the activation function "in-place", the pre-processor -DIN_PLACE must be passed at compile time |
| * |
| * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short |
| * @note Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16 |
| * @note Leftover vector size has to be passed at compile time using -DVEC_SIZE_LEFTOVER. e.g. -DVEC_SIZE=3. It is defined as the remainder between the input's first dimension and VEC_SIZE |
| * @note Activation function should be given as a preprocessor argument using -DACT=name. e.g. -DACT=TANH |
| * @note A, B variables required by some activation functions are set using -DA_VAL= and -DB_VAL= respectively. |
| * @note Quantization scales of the input/output tensors are passed in with -DS1_VAL= and -DS2_VAL= respectively. |
| * @note Quantization offsets of the input/output tensors are passed in with -DO1_VAL= and -DO2_VAL= respectively. |
| * @note Quantized value of constant zero should be given as a preprocessor argument using -DCONST_0=value. e.g. -DCONST_0=128. |
| * |
| * @param[in] input_ptr Pointer to the source image. Supported data types: QASYMM8/QASYMM8_SIGNED/QSYMM16 |
| * @param[in] input_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] input_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] input_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] input_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] output_ptr (Optional) Pointer to the destination image. Supported data types: same as @p input_ptr |
| * @param[in] output_stride_x (Optional) Stride of the destination image in X dimension (in bytes) |
| * @param[in] output_step_x (Optional) output_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] output_stride_y (Optional) Stride of the destination image in Y dimension (in bytes) |
| * @param[in] output_step_y (Optional) output_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] output_stride_z (Optional) Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] output_step_z (Optional) output_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] output_offset_first_element_in_bytes (Optional) The offset of the first element in the destination image |
| */ |
| __kernel void activation_layer_quant( |
| TENSOR3D_DECLARATION(input) |
| #ifndef IN_PLACE |
| , |
| TENSOR3D_DECLARATION(output) |
| #endif /* not IN_PLACE */ |
| ) |
| { |
| uint x_offs = max((int)(get_global_id(0) * VEC_SIZE * sizeof(DATA_TYPE) - (VEC_SIZE - VEC_SIZE_LEFTOVER) % VEC_SIZE * sizeof(DATA_TYPE)), 0); |
| |
| // Get pixels pointer |
| __global uchar *input_addr = input_ptr + input_offset_first_element_in_bytes + x_offs + get_global_id(1) * input_stride_y + get_global_id(2) * input_stride_z; |
| #ifdef IN_PLACE |
| __global uchar *output_addr = input_addr; |
| #else /* IN_PLACE */ |
| __global uchar *output_addr = output_ptr + output_offset_first_element_in_bytes + x_offs + get_global_id(1) * output_stride_y + get_global_id(2) * output_stride_z; |
| #endif /* IN_PLACE */ |
| |
| // Load data |
| TYPE data0 = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)input_addr); |
| |
| data0 = PERFORM_ACTIVATION_QUANT(ACT, data0); |
| |
| // Store result |
| STORE_VECTOR_SELECT(data, DATA_TYPE, output_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0) |
| } |
| #endif // defined(ACT) |
| #endif // defined(FLOAT_DOMAIN) |