| /* |
| * Copyright (c) 2017-2020 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. |
| */ |
| #include "src/runtime/Utils.h" |
| |
| #include "arm_compute/runtime/NEON/NEScheduler.h" |
| |
| #include <cmath> |
| #include <map> |
| #include <string> |
| |
| namespace arm_compute |
| { |
| namespace utils |
| { |
| #ifndef DOXYGEN_SKIP_THIS |
| static const std::string information = |
| #include "arm_compute_version.embed" |
| ; |
| #endif /* DOXYGEN_SKIP_THIS */ |
| |
| const std::string &string_from_scheduler_type(Scheduler::Type t) |
| { |
| static std::map<Scheduler::Type, const std::string> scheduler_type_map = |
| { |
| { Scheduler::Type::ST, "Single Thread" }, |
| { Scheduler::Type::CPP, "C++11 Threads" }, |
| { Scheduler::Type::OMP, "OpenMP Threads" }, |
| { Scheduler::Type::CUSTOM, "Custom" } |
| }; |
| |
| return scheduler_type_map[t]; |
| } |
| |
| void schedule_kernel_on_ctx(IRuntimeContext *ctx, ICPPKernel *kernel, const IScheduler::Hints &hints) |
| { |
| if(ctx) |
| { |
| ARM_COMPUTE_ERROR_ON(ctx->scheduler() == nullptr); |
| ctx->scheduler()->schedule(kernel, hints); |
| } |
| else |
| { |
| NEScheduler::get().schedule(kernel, hints); |
| } |
| } |
| |
| unsigned int calculate_number_of_stages_only_x_axis(size_t input_x_dimension, unsigned int axis) |
| { |
| // We need only 1 stage for all axis except x-axis |
| if(axis != 0) |
| { |
| return 1; |
| } |
| // Calculate number of WGs. 16 elements per thread, 8 threads per WG |
| const auto num_of_wg = static_cast<unsigned int>(ceil(input_x_dimension / 128.f)); |
| |
| // Calculate number of stages. First stage performs op and the rest reduction sum |
| // depending on the size of the input. Last stage should have only 1 WG. |
| const unsigned int num_of_stages = num_of_wg / 128 + 2; |
| return num_of_stages; |
| } |
| } // namespace utils |
| } // namespace arm_compute |