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Diffstat (limited to 'src/core/CL/cl_kernels/nchw/normalize_planar_yuv_layer_quantized.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/nchw/normalize_planar_yuv_layer_quantized.cl | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/nchw/normalize_planar_yuv_layer_quantized.cl b/src/core/CL/cl_kernels/nchw/normalize_planar_yuv_layer_quantized.cl new file mode 100644 index 0000000000..0f02ef6184 --- /dev/null +++ b/src/core/CL/cl_kernels/nchw/normalize_planar_yuv_layer_quantized.cl @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2018-2021 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" + +#if defined(DATA_TYPE) && defined(VEC_SIZE) && defined(OFFSET) && defined(SCALE) + +#define TYPE VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) +#define OFFSET_FLT ((float)OFFSET) +#define SCALE_FLT ((float)SCALE) + +#if defined(NUM_CHANNELS) + +/** Apply normalize_planar_yuv layer on tensors with NCHW data layout. + * + * @note Data type should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=float + * @note Vector size should be given as a preprocessor argument using -DVEC_SIZE e.g. -DVEC_SIZE=8 + * @note The depth of the input tensor should be given as a preprocessor argument using -DNUM_CHANNELS e.g. -DNUM_CHANNELS=8 + * @note The quantization offset should be given as a preprocessor argument using -DOFFSET e.g. -DOFFSET=8 + * @note The quantization scale should be given as a preprocessor argument using -DSCALE e.g. -DSCALE=8 + * + * @param[in] src_ptr Pointer to the first source tensor. Supported data types: QASYMM8/QASYMM8_SIGNED + * @param[in] src_stride_x Stride of the first source tensor in X dimension (in bytes) + * @param[in] src_step_x input_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the first source tensor in Y dimension (in bytes) + * @param[in] src_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the first source tensor in Z dimension (in bytes) + * @param[in] src_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the first source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x output_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y output_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) + * @param[in] dst_step_z output_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + * @param[in] mean_ptr Pointer to the mean source tensor. Supported data types: same as @p src_ptr + * @param[in] mean_stride_x Stride of the mean source tensor in X dimension (in bytes) + * @param[in] mean_step_x mean_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] mean_offset_first_element_in_bytes The offset of the first element in the mean source tensor + * @param[in] std_ptr Pointer to the std tensor. Supported data types: same as @p src_ptr + * @param[in] std_stride_x Stride of the std tensor in X dimension (in bytes) + * @param[in] std_step_x std_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] std_offset_first_element_in_bytes The offset of the first element in the var source tensor + */ +__kernel void normalize_planar_yuv_layer_q8_nchw(TENSOR3D_DECLARATION(src), + TENSOR3D_DECLARATION(dst), + VECTOR_DECLARATION(mean), + VECTOR_DECLARATION(std)) +{ + Tensor3D src = CONVERT_TO_TENSOR3D_STRUCT(src); + Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); + Vector mean = CONVERT_TO_VECTOR_STRUCT(mean); + Vector std = CONVERT_TO_VECTOR_STRUCT(std); + + const uint current_slice = get_global_id(2) % NUM_CHANNELS; + + VEC_DATA_TYPE(float, VEC_SIZE) + curr_mean_flt = (VEC_DATA_TYPE(float, VEC_SIZE))(*((__global DATA_TYPE *)(mean.ptr + current_slice * sizeof(DATA_TYPE)))); + curr_mean_flt = round(curr_mean_flt - OFFSET_FLT) * SCALE_FLT; + + VEC_DATA_TYPE(float, VEC_SIZE) + curr_std_flt = (VEC_DATA_TYPE(float, VEC_SIZE))(*((__global DATA_TYPE *)(std.ptr + current_slice * sizeof(DATA_TYPE)))); + curr_std_flt = round(curr_std_flt - OFFSET_FLT) * SCALE_FLT; + + VEC_DATA_TYPE(float, VEC_SIZE) + data_flt = CONVERT(VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)src.ptr), VEC_DATA_TYPE(float, VEC_SIZE)); + data_flt = round(data_flt - OFFSET_FLT) * SCALE_FLT; + + // Perform normalization + VEC_DATA_TYPE(float, VEC_SIZE) + res_flt = (data_flt - curr_mean_flt) / curr_std_flt; + + const TYPE res_u8 = CONVERT_SAT(round(res_flt / SCALE_FLT) + OFFSET_FLT, TYPE); + VSTORE(VEC_SIZE) + (res_u8, 0, (__global DATA_TYPE *)dst.ptr); +} + +#endif // defined(NUM_CHANNELS) +#endif // defined(DATA_TYPE) && defined(VEC_SIZE) && defined(OFFSET) && defined(SCALE)
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