71 行
2.0 KiB
C++
71 行
2.0 KiB
C++
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// MIT License
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//
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// Copyright (c) 2022 Advanced Micro Devices, Inc. All Rights Reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include <array>
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#include <atomic>
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#include <cstddef>
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#include <cstdint>
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#include <vector>
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namespace omnitrace
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{
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namespace utility
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{
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namespace
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{
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/// provides an alternative thread index for when using threading::get_id() is not
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/// desirable
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inline auto
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get_thread_index()
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{
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static std::atomic<int64_t> _c{ 0 };
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static thread_local int64_t _v = _c++;
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return _v;
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}
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/// fills any array with the result of the functor
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template <size_t N, typename FuncT>
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inline auto
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get_filled_array(FuncT&& _func)
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{
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using Tp = std::decay_t<decltype(_func())>;
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std::array<Tp, N> _v{};
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for(auto& itr : _v)
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itr = std::move(_func());
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return _v;
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}
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/// returns a vector with a preallocated buffer
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template <typename... Tp>
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inline auto
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get_reserved_vector(size_t _n)
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{
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std::vector<Tp...> _v{};
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_v.reserve(_n);
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return _v;
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}
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} // namespace
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} // namespace utility
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} // namespace omnitrace
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