diff options
Diffstat (limited to 'src/core/helpers/WindowHelpers.cpp')
| -rw-r--r-- | src/core/helpers/WindowHelpers.cpp | 239 |
1 files changed, 177 insertions, 62 deletions
diff --git a/src/core/helpers/WindowHelpers.cpp b/src/core/helpers/WindowHelpers.cpp index 75ffb71b4b..30a55fcbc6 100644 --- a/src/core/helpers/WindowHelpers.cpp +++ b/src/core/helpers/WindowHelpers.cpp @@ -1,5 +1,5 @@ /* -* Copyright (c) 2020-2021 Arm Limited. +* Copyright (c) 2020-2022 Arm Limited. * * SPDX-License-Identifier: MIT * @@ -25,9 +25,10 @@ namespace arm_compute { -Window calculate_max_window(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size) +Window +calculate_max_window(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size) { - if(!skip_border) + if (!skip_border) { border_size = BorderSize(0); } @@ -38,40 +39,47 @@ Window calculate_max_window(const ValidRegion &valid_region, const Steps &steps, Window window; window.set(0, Window::Dimension( - // Skip the border left of the image - anchor[0] + border_size.left, - // Skip the border right of the image - // Make sure the window width is a multiple of the step size - anchor[0] + border_size.left + ceil_to_multiple(std::max(0, static_cast<int>(shape[0]) - static_cast<int>(border_size.left) - static_cast<int>(border_size.right)), steps[0]), - steps[0])); + // Skip the border left of the image + anchor[0] + border_size.left, + // Skip the border right of the image + // Make sure the window width is a multiple of the step size + anchor[0] + border_size.left + + ceil_to_multiple(std::max(0, static_cast<int>(shape[0]) - static_cast<int>(border_size.left) - + static_cast<int>(border_size.right)), + steps[0]), + steps[0])); size_t n = 1; - if(anchor.num_dimensions() > 1) + if (anchor.num_dimensions() > 1) { - window.set(1, Window::Dimension( + window.set(1, + Window::Dimension( // Skip the border above the image anchor[1] + border_size.top, // Skip the border below the image - anchor[1] + border_size.top + ceil_to_multiple(std::max(0, static_cast<int>(shape[1]) - static_cast<int>(border_size.top) - static_cast<int>(border_size.bottom)), steps[1]), + anchor[1] + border_size.top + + ceil_to_multiple(std::max(0, static_cast<int>(shape[1]) - static_cast<int>(border_size.top) - + static_cast<int>(border_size.bottom)), + steps[1]), steps[1])); ++n; } - if(anchor.num_dimensions() > 2) + if (anchor.num_dimensions() > 2) { window.set(2, Window::Dimension(anchor[2], std::max<size_t>(1, shape[2]), steps[2])); ++n; } - for(; n < anchor.num_dimensions(); ++n) + for (; n < anchor.num_dimensions(); ++n) { window.set(n, Window::Dimension(anchor[n], std::max<size_t>(1, shape[n]))); } - for(; n < Coordinates::num_max_dimensions; ++n) + for (; n < Coordinates::num_max_dimensions; ++n) { window.set(n, Window::Dimension(0, 1)); } @@ -81,7 +89,7 @@ Window calculate_max_window(const ValidRegion &valid_region, const Steps &steps, Window calculate_max_window(const TensorShape &shape, const Steps &steps, bool skip_border, BorderSize border_size) { - if(!skip_border) + if (!skip_border) { border_size = BorderSize(0); } @@ -89,40 +97,46 @@ Window calculate_max_window(const TensorShape &shape, const Steps &steps, bool s Window window; window.set(0, Window::Dimension( - // Skip the border left of the image - border_size.left, - // Skip the border right of the image - // Make sure the window width is a multiple of the step size - border_size.left + ceil_to_multiple(std::max(0, static_cast<int>(shape[0]) - static_cast<int>(border_size.left) - static_cast<int>(border_size.right)), steps[0]), - steps[0])); + // Skip the border left of the image + border_size.left, + // Skip the border right of the image + // Make sure the window width is a multiple of the step size + border_size.left + + ceil_to_multiple(std::max(0, static_cast<int>(shape[0]) - static_cast<int>(border_size.left) - + static_cast<int>(border_size.right)), + steps[0]), + steps[0])); size_t n = 1; - if(shape.num_dimensions() > 1) + if (shape.num_dimensions() > 1) { window.set(1, Window::Dimension( - // Skip the border above the image - border_size.top, - // Skip the border below the image - border_size.top + ceil_to_multiple(std::max(0, static_cast<int>(shape[1]) - static_cast<int>(border_size.top) - static_cast<int>(border_size.bottom)), steps[1]), - steps[1])); + // Skip the border above the image + border_size.top, + // Skip the border below the image + border_size.top + ceil_to_multiple(std::max(0, static_cast<int>(shape[1]) - + static_cast<int>(border_size.top) - + static_cast<int>(border_size.bottom)), + steps[1]), + steps[1])); ++n; } - if(shape.num_dimensions() > 2) + if (shape.num_dimensions() > 2) { window.set(2, Window::Dimension(0, std::max<size_t>(1, shape[2]), steps[2])); ++n; } - for(; n < shape.num_dimensions(); ++n) + for (; n < shape.num_dimensions(); ++n) { window.set(n, Window::Dimension(0, std::max<size_t>(1, shape[n]))); } - for(; n < Coordinates::num_max_dimensions; ++n) + for (; n < Coordinates::num_max_dimensions; ++n) { window.set(n, Window::Dimension(0, 1)); } @@ -138,40 +152,42 @@ Window calculate_max_enlarged_window(const ValidRegion &valid_region, const Step Window window; window.set(0, Window::Dimension( - // move the anchor to the start from the border - anchor[0] - border_size.left, - // move the anchor to include the right end border - // Make sure the window width is a multiple of the step size - anchor[0] - border_size.left + ceil_to_multiple(shape[0] + border_size.left + border_size.right, steps[0]), - steps[0])); + // move the anchor to the start from the border + anchor[0] - border_size.left, + // move the anchor to include the right end border + // Make sure the window width is a multiple of the step size + anchor[0] - border_size.left + + ceil_to_multiple(shape[0] + border_size.left + border_size.right, steps[0]), + steps[0])); size_t n = 1; - if(anchor.num_dimensions() > 1) + if (anchor.num_dimensions() > 1) { window.set(1, Window::Dimension( - // Include the border above the image - anchor[1] - border_size.top, - // Include the border below the image - anchor[1] - border_size.top + ceil_to_multiple(shape[1] + border_size.top + border_size.bottom, steps[1]), - steps[1])); + // Include the border above the image + anchor[1] - border_size.top, + // Include the border below the image + anchor[1] - border_size.top + + ceil_to_multiple(shape[1] + border_size.top + border_size.bottom, steps[1]), + steps[1])); ++n; } - if(anchor.num_dimensions() > 2) + if (anchor.num_dimensions() > 2) { window.set(2, Window::Dimension(0, std::max<size_t>(1, shape[n]), steps[2])); ++n; } - for(; n < anchor.num_dimensions(); ++n) + for (; n < anchor.num_dimensions(); ++n) { window.set(n, Window::Dimension(anchor[n], std::max<size_t>(1, shape[n]))); } - for(; n < Coordinates::num_max_dimensions; ++n) + for (; n < Coordinates::num_max_dimensions; ++n) { window.set(n, Window::Dimension(0, 1)); } @@ -179,9 +195,12 @@ Window calculate_max_enlarged_window(const ValidRegion &valid_region, const Step return window; } -Window calculate_max_window_horizontal(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size) +Window calculate_max_window_horizontal(const ValidRegion &valid_region, + const Steps &steps, + bool skip_border, + BorderSize border_size) { - if(skip_border) + if (skip_border) { border_size.top = 0; border_size.bottom = 0; @@ -198,37 +217,133 @@ Window calculate_max_window_horizontal(const ValidRegion &valid_region, const St Window window; window.set(0, Window::Dimension( - // Skip the border left of the image - anchor[0] + border_size.left, - // Skip the border right of the image - // Make sure the window width is a multiple of the step size - anchor[0] + border_size.left + ceil_to_multiple(std::max(0, static_cast<int>(shape[0]) - static_cast<int>(border_size.left) - static_cast<int>(border_size.right)), steps[0]), - steps[0])); + // Skip the border left of the image + anchor[0] + border_size.left, + // Skip the border right of the image + // Make sure the window width is a multiple of the step size + anchor[0] + border_size.left + + ceil_to_multiple(std::max(0, static_cast<int>(shape[0]) - static_cast<int>(border_size.left) - + static_cast<int>(border_size.right)), + steps[0]), + steps[0])); size_t n = 1; - if(anchor.num_dimensions() > 1) + if (anchor.num_dimensions() > 1) { window.set(1, Window::Dimension( - // Skip the border above the image - anchor[1] - border_size.top, - // Skip the border below the image - anchor[1] + shape[1] + border_size.bottom, - 1)); + // Skip the border above the image + anchor[1] - border_size.top, + // Skip the border below the image + anchor[1] + shape[1] + border_size.bottom, 1)); ++n; } - for(; n < anchor.num_dimensions(); ++n) + for (; n < anchor.num_dimensions(); ++n) { window.set(n, Window::Dimension(anchor[n], std::max<size_t>(1, shape[n]))); } - for(; n < Coordinates::num_max_dimensions; ++n) + for (; n < Coordinates::num_max_dimensions; ++n) { window.set(n, Window::Dimension(0, 1)); } return window; } + +std::pair<Window, size_t> calculate_squashed_or_max_window(const ITensorInfo &src0, const ITensorInfo &src1) +{ + const auto &shape0 = src0.tensor_shape(); + const auto &shape1 = src1.tensor_shape(); + const auto &strides0 = src0.strides_in_bytes(); + const auto &strides1 = src1.strides_in_bytes(); + const auto num_dimensions = std::max(src0.num_dimensions(), src1.num_dimensions()); + + Window win; + size_t split_dimension = Window::DimY; + size_t dim = 0; + + size_t squashed_bytes = src0.element_size(); + + // Try to squash the low dimensions together. + for (; dim < num_dimensions; ++dim) + { + if (shape0[dim] != shape1[dim] || strides0[dim] != squashed_bytes || strides1[dim] != squashed_bytes) + { + break; + } + + squashed_bytes *= shape0[dim]; + } + + if (dim == num_dimensions) + { + auto squashed_elements = squashed_bytes / src0.element_size(); + + split_dimension = Window::DimX; + + // The input tensors can be interpreted as 1D array. + win.set(0, Window::Dimension(0, squashed_elements, 1)); + + for (dim = 1; dim < Coordinates::num_max_dimensions; ++dim) + { + win.set(dim, Window::Dimension(0, 1, 1)); + } + } + else + { + // Generates the max window. + for (dim = 0; dim < Coordinates::num_max_dimensions; ++dim) + { + win.set(dim, Window::Dimension(0, std::max(shape0[dim], shape1[dim]), 1)); + } + } + + return std::make_pair(win, split_dimension); +} + +std::pair<Window, size_t> calculate_squashed_or_max_window(const ITensorInfo &src) +{ + const auto &shape = src.tensor_shape(); + const auto &strides = src.strides_in_bytes(); + const auto num_dimensions = src.num_dimensions(); + + Window win; + size_t split_dimension = Window::DimY; + size_t dim = 0; + size_t squashed_bytes = src.element_size(); + + // Try to squash the low dimensions together. + for (; dim < num_dimensions; ++dim) + { + if (strides[dim] != squashed_bytes) + { + break; + } + squashed_bytes *= shape[dim]; + } + if (dim == num_dimensions) + { + const auto squashed_elements = squashed_bytes / src.element_size(); + split_dimension = Window::DimX; + // The input tensor can be interpreted as 1D array. + win.set(0, Window::Dimension(0, squashed_elements, 1)); + for (dim = 1; dim < Coordinates::num_max_dimensions; ++dim) + { + win.set(dim, Window::Dimension(0, 1, 1)); + } + } + else + { + // Generate the max window. + for (dim = 0; dim < Coordinates::num_max_dimensions; ++dim) + { + win.set(dim, Window::Dimension(0, shape[dim], 1)); + } + } + return std::make_pair(win, split_dimension); +} + } // namespace arm_compute |