diff options
Diffstat (limited to 'arm_compute/core/utils/helpers')
| -rw-r--r-- | arm_compute/core/utils/helpers/AdjustVecSize.h | 55 | ||||
| -rw-r--r-- | arm_compute/core/utils/helpers/tensor_transform.h | 33 |
2 files changed, 79 insertions, 9 deletions
diff --git a/arm_compute/core/utils/helpers/AdjustVecSize.h b/arm_compute/core/utils/helpers/AdjustVecSize.h new file mode 100644 index 0000000000..842e3b57d6 --- /dev/null +++ b/arm_compute/core/utils/helpers/AdjustVecSize.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2016-2023 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. + */ +#ifndef ARM_COMPUTE_UTILS_ADJUSTVECSIZE_H +#define ARM_COMPUTE_UTILS_ADJUSTVECSIZE_H + +#include "arm_compute/core/Error.h" + +namespace arm_compute +{ +/** Returns the adjusted vector size in case it is less than the input's first dimension, getting rounded down to its closest valid vector size + * + * @param[in] vec_size vector size to be adjusted + * @param[in] dim0 size of the first dimension + * + * @return the number of element processed along the X axis per thread + */ +inline unsigned int adjust_vec_size(unsigned int vec_size, size_t dim0) +{ + ARM_COMPUTE_ERROR_ON(vec_size > 16); + + if ((vec_size >= dim0) && (dim0 == 3)) + { + return dim0; + } + + while (vec_size > dim0) + { + vec_size >>= 1; + } + + return vec_size; +} +} // namespace arm_compute +#endif /*ARM_COMPUTE_UTILS_H */ diff --git a/arm_compute/core/utils/helpers/tensor_transform.h b/arm_compute/core/utils/helpers/tensor_transform.h index faa5b4433c..7a61fa192a 100644 --- a/arm_compute/core/utils/helpers/tensor_transform.h +++ b/arm_compute/core/utils/helpers/tensor_transform.h @@ -52,7 +52,8 @@ int calculate_stride_on_index(int index, Coordinates strides); * * @return Absolute start position of a given index */ -int calculate_start_on_index(TensorShape input_shape, int index, Coordinates starts, Coordinates strides, int32_t begin_mask); +int calculate_start_on_index( + TensorShape input_shape, int index, Coordinates starts, Coordinates strides, int32_t begin_mask); /** Returns the absolute end position of a given index for a strided slice operation * @@ -68,8 +69,13 @@ int calculate_start_on_index(TensorShape input_shape, int index, Coordinates sta * * @return Absolute end position of a given index */ -int calculate_end_on_index(TensorShape input_shape, int index, int start_on_index, Coordinates ends, Coordinates strides, - int32_t end_mask = 0, int32_t shrink_axis_mask = 0); +int calculate_end_on_index(TensorShape input_shape, + int index, + int start_on_index, + Coordinates ends, + Coordinates strides, + int32_t end_mask = 0, + int32_t shrink_axis_mask = 0); /** Calculate start, end and stride coordinates for a strided slice * @@ -87,8 +93,12 @@ int calculate_end_on_index(TensorShape input_shape, int index, int start_on_inde * @return A tuple with <Start,End,Strides> */ std::tuple<Coordinates, Coordinates, Coordinates> calculate_strided_slice_coords(TensorShape input_shape, - Coordinates starts, Coordinates ends, Coordinates strides, - int32_t begin_mask = 0, int32_t end_mask = 0, int32_t shrink_axis_mask = 0); + Coordinates starts, + Coordinates ends, + Coordinates strides, + int32_t begin_mask = 0, + int32_t end_mask = 0, + int32_t shrink_axis_mask = 0); /** Computes output shape of strided slice * @@ -109,9 +119,14 @@ std::tuple<Coordinates, Coordinates, Coordinates> calculate_strided_slice_coords * * @return The output tensor shape */ -TensorShape compute_strided_slice_output_shape(TensorShape input_shape, Coordinates starts, Coordinates ends, Coordinates strides, - int32_t begin_mask = 0, int32_t end_mask = 0, int32_t shrink_axis_mask = 0, - bool return_unshrinked = false); +TensorShape compute_strided_slice_output_shape(TensorShape input_shape, + Coordinates starts, + Coordinates ends, + Coordinates strides, + int32_t begin_mask = 0, + int32_t end_mask = 0, + int32_t shrink_axis_mask = 0, + bool return_unshrinked = false); /** Constructs end mask in case we want to perform a slice operation using the strided slice interface * @@ -122,7 +137,7 @@ TensorShape compute_strided_slice_output_shape(TensorShape input_shape, Coordina * @return End mask */ int32_t construct_slice_end_mask(Coordinates ends); -} // namespace tensor_tranform +} // namespace tensor_transform } // namespace helpers } // namespace arm_compute #endif /* ARM_COMPUTE_UTILS_HELPERS_TENSOR_TRANSFORM_H */ |