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diff --git a/src/core/CL/cl_kernels/nhwc/normalization_layer.cl b/src/core/CL/cl_kernels/nhwc/normalization_layer.cl
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+/*
+ * Copyright (c) 2017-2021 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"
+#include "tile_helpers.h"
+
+#define MUL_OP(x, y) ((x) * (y))
+#define ADD_OP(x, y) ((x) + (y))
+#define DIV_OP(x, y) ((x) / (y))
+#define POW_OP(x, y) pow((x), (y))
+#define SQCVT_SAT(a) (a)
+
+#if defined(WIDTH_SIZE)
+/** Apply cross-map normalization.
+ *
+ * @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 The radius should be given as a preprocessor argument using -DRADIUS=size. e.g. -DRADIUS=5
+ * @note The number of slices should be given as a preprocessor argument using -DNUM_SLICES=size. e.g. -DNUM_SLICES=192
+ * @note Scaling coefficient (= alpha/norm_size), beta and kappa need to be passed at compile time using -DCOEFF, -DALPHA and -DKAPPA
+ *
+ * @param[in] input_ptr Pointer to the first source tensor. Supported data types: F16/F32
+ * @param[in] input_stride_x Stride of the first source tensor 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 first source tensor 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 first 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 first source tensor
+ * @param[out] output_ptr Pointer to the destination tensor. Supported data types: same as @p input_ptr
+ * @param[in] output_stride_x Stride of the destination tensor in X dimension (in bytes)
+ * @param[in] output_step_x output_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] output_stride_y Stride of the destination tensor in Y dimension (in bytes)
+ * @param[in] output_step_y output_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] output_stride_z Stride of the destination tensor in Z dimension (in bytes)
+ * @param[in] output_step_z output_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in] output_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ */
+__kernel void normalization_layer_cross_map_nhwc(TENSOR3D_DECLARATION(input),
+ TENSOR3D_DECLARATION(output))
+{
+ // Offset computation
+ const uint x_offs = GET_SPATIAL_IDX(0, VEC_SIZE, VEC_SIZE_LEFTOVER);
+
+ // Address computation
+ __global uchar *input_addr = input_ptr + input_offset_first_element_in_bytes + get_global_id(1) * input_stride_y + get_global_id(2) * input_stride_z;
+ __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;
+
+ VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ acc = 0;
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ coeff_v = SQCVT_SAT(COEFF);
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ beta_v = SQCVT_SAT(BETA);
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ kappa_v = SQCVT_SAT(KAPPA);
+
+ const int left_slice = max((int)0, (int)x_offs - (int)RADIUS);
+ const int right_slice = min((int)WIDTH_SIZE - 1, (int)x_offs + (int)RADIUS);
+
+ for(int i = left_slice; i <= right_slice; ++i)
+ {
+ VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ values = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)(input_addr + i * sizeof(DATA_TYPE)));
+ acc = ADD_OP(acc, MUL_OP(values, values));
+ }
+
+ acc = ADD_OP(MUL_OP(acc, coeff_v), kappa_v);
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ normalized = POW_OP(acc, beta_v);
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ normalized_pixel0 = DIV_OP(VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)(input_addr + x_offs * sizeof(DATA_TYPE))), normalized);
+
+ STORE_VECTOR_SELECT(normalized_pixel, DATA_TYPE, output_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0);
+}
+#endif // defined(WIDTH_SIZE)
+
+#if defined(NUM_SLICES) && defined(DIM1_SIZE)
+/** Apply in-map normalization when tensors are in the NHWC data layout format.
+ *
+ * @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 The radius should be given as a preprocessor argument using -DRADIUS=size. e.g. -DRADIUS=5
+ * @note The number of slices should be given as a preprocessor argument using -DNUM_SLICES=size. e.g. -DNUM_SLICES=192
+ * @note Scaling coefficient (= alpha/norm_size), beta and kappa need to be passed at compile time using -DCOEFF, -DALPHA and -DKAPPA
+ *
+ * @param[in] input_ptr Pointer to the first source tensor. Supported data types: F16/F32
+ * @param[in] input_stride_x Stride of the first source tensor 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 first source tensor 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 first 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 first source tensor
+ * @param[out] output_ptr Pointer to the destination tensor. Supported data types: same as @p input_ptr
+ * @param[in] output_stride_x Stride of the destination tensor in X dimension (in bytes)
+ * @param[in] output_step_x output_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] output_stride_y Stride of the first destination tensor in Y dimension (in bytes)
+ * @param[in] output_step_y output_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] output_stride_z Stride of the first source tensor in Z dimension (in bytes)
+ * @param[in] output_step_z output_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in] output_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ */
+__kernel void normalization_layer_in_map_nhwc(TENSOR3D_DECLARATION(input),
+ TENSOR3D_DECLARATION(output))
+{
+ // Offset computation
+ const uint x_offs = GET_SPATIAL_IDX(0, VEC_SIZE, VEC_SIZE_LEFTOVER);
+ const int current_cols = get_global_id(1);
+ const int current_rows = get_global_id(2);
+
+ // Address computation
+ __global uchar *input_addr = input_ptr + input_offset_first_element_in_bytes + x_offs * sizeof(DATA_TYPE);
+ __global uchar *output_addr = output_ptr + output_offset_first_element_in_bytes + x_offs * sizeof(DATA_TYPE) + current_cols * output_stride_y + current_rows * output_stride_z;
+
+ VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ acc = 0;
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ coeff_v = SQCVT_SAT(COEFF);
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ beta_v = SQCVT_SAT(BETA);
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ kappa_v = SQCVT_SAT(KAPPA);
+
+ const int first_col = max(0, current_cols - (int)RADIUS);
+ const int last_col = min((int)DIM1_SIZE - 1, current_cols + (int)RADIUS);
+
+#if defined(IN_MAP_2D)
+ const int first_row = max(0, current_rows - (int)RADIUS);
+ const int last_row = min((int)NUM_SLICES - 1, current_rows + (int)RADIUS);
+#endif /* defined(IN_MAP_2D) */
+
+#if defined(IN_MAP_2D)
+ for(int j = first_row; j <= last_row; ++j)
+ {
+#else // defined(IN_MAP_2D)
+ const int j = current_rows;
+#endif /* defined(IN_MAP_2D) */
+ for(int i = first_col; i <= last_col; ++i)
+ {
+ VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ values = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)(input_addr + i * input_stride_y + j * input_stride_z));
+ acc = ADD_OP(acc, MUL_OP(values, values));
+ }
+#if defined(IN_MAP_2D)
+ }
+#endif /* defined(IN_MAP_2D) */
+
+ acc = ADD_OP(MUL_OP(acc, coeff_v), kappa_v);
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ normalized = POW_OP(acc, beta_v);
+ const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE)
+ normalized_pixel0 = DIV_OP(VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)(input_addr + current_cols * output_stride_y + current_rows *output_stride_z)), normalized);
+
+ STORE_VECTOR_SELECT(normalized_pixel, DATA_TYPE, output_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0);
+}
+#endif // defined(NUM_SLICES) && defined(DIM1_SIZE) \ No newline at end of file