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Diffstat (limited to 'arm_compute/core/NEON/kernels/assembly/arm_gemm_compute_iface.hpp')
| -rw-r--r-- | arm_compute/core/NEON/kernels/assembly/arm_gemm_compute_iface.hpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/kernels/assembly/arm_gemm_compute_iface.hpp b/arm_compute/core/NEON/kernels/assembly/arm_gemm_compute_iface.hpp new file mode 100644 index 0000000000..7dff01003d --- /dev/null +++ b/arm_compute/core/NEON/kernels/assembly/arm_gemm_compute_iface.hpp @@ -0,0 +1,121 @@ +/* + * Copyright (c) 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. + */ +#pragma once + +#include "arm_compute/core/Window.h" +#include "arm_compute/core/Dimensions.h" +#include "src/core/NEON/kernels/arm_gemm/ndrange.hpp" + +#include <cassert> + +/* This file contains mapping between integral types used in arm_compute and arm_gemm + * These two codebases both require a degree of separation for the sake of modularity + * so maintain their own types which represent similar information. + */ + +namespace arm_gemm { + +//we want to unify the maximum number of dimensions used beween arm_gemm and arm compute library +constexpr std::size_t ndrange_max = + arm_compute::Dimensions<unsigned int>::num_max_dimensions; + +using ndrange_t=NDRange<ndrange_max>; +using ndcoord_t=NDCoordinate<ndrange_max>; + +/* Converts an `arm_gemm::ndrange_t` to a `arm_compute::Window` + * + * As `NDRange<T>` does not not encode start positions, we specify + * the start to be zero in the produced `arm_compute::Window` + * + * @param [ndr] the `arm_gemm::ndrange_t` we wish to convert into a `arm_compute::Window` + * @returns an `arm_compute::Window` representing the same dimensional ranges as `ndr` + */ +inline arm_compute::Window to_window(const ndrange_t& ndr) { + arm_compute::Window win; + + for(unsigned int i = 0; i!=ndrange_max; ++i) { + //populate the window with the dimensions of the NDRange + win.set(i, arm_compute::Window::Dimension(0, ndr.get_size(i))); + } + + return win; +} + +/* + * Converts an `arm_gemm::ndcoord_t` to a `arm_compute::Window` + * + * @param [ndc] the `arm_gemm::ndcoord_t` we wish to convert into a `arm_compute::Window` + * @returns an `arm_compute::Window` representing the same dimensional ranges as `ndc` + */ +inline arm_compute::Window to_window(const ndcoord_t& ndc) { + arm_compute::Window win; + + for(unsigned int i = 0; i!=ndrange_max; ++i) { + const auto start = ndc.get_position(i); + const auto size = ndc.get_size(i); + const auto stop = start + size; + + //populate the window with the dimensions of the NDRange + win.set(i, arm_compute::Window::Dimension(start, stop)); + } + + return win; +} + +/** Convert an `arm_compute::Window` to an `arm_gemm::NDRange` of the same max dimensions + * + * It should be noted that `arm_compute::Window` specifies a `start()` and an `end()` + * where as `arm_gemm::ndrange_t` only has a size, as a result we store the delta between the range + * + * @param [win] the `arm_compute::Window` we want to convert to `arm_gemm::ndrange_t` + * @return the resultant ndrange_t + */ +inline ndrange_t to_ndrange(const arm_compute::Window& win) { + return { + static_cast<unsigned int>(win[0].end() - win[0].start()), + static_cast<unsigned int>(win[1].end() - win[1].start()), + static_cast<unsigned int>(win[2].end() - win[2].start()), + static_cast<unsigned int>(win[3].end() - win[3].start()), + static_cast<unsigned int>(win[4].end() - win[4].start()), + static_cast<unsigned int>(win[5].end() - win[5].start()) + }; +} + +/** Convert an `arm_compute::Window` to an `arm_gemm::NDCoord` of the same max dimensions + * + * @param [win] the `arm_compute::Window` we want to convert to `arm_gemm::ndcoord_t` + * @return the resultant ndcoord_t + */ +inline ndcoord_t to_ndcoord(const arm_compute::Window& win) { + return { + { static_cast<unsigned int>(win[0].start()), static_cast<unsigned int>(win[0].end() - win[0].start()) }, + { static_cast<unsigned int>(win[1].start()), static_cast<unsigned int>(win[1].end() - win[1].start()) }, + { static_cast<unsigned int>(win[2].start()), static_cast<unsigned int>(win[2].end() - win[2].start()) }, + { static_cast<unsigned int>(win[3].start()), static_cast<unsigned int>(win[3].end() - win[3].start()) }, + { static_cast<unsigned int>(win[4].start()), static_cast<unsigned int>(win[4].end() - win[4].start()) }, + { static_cast<unsigned int>(win[5].start()), static_cast<unsigned int>(win[5].end() - win[5].start()) } + }; +} + +} //namespace arm_gemm |