112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
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//
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// immer: immutable data structures for C++
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// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
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//
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// This software is distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
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//
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#pragma once
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#include "benchmark/config.hpp"
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#include <immer/set.hpp>
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#include <immer/box.hpp>
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#include <immer/algorithm.hpp>
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#include <hash_trie.hpp> // Phil Nash
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#include <boost/container/flat_set.hpp>
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#include <set>
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#include <unordered_set>
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#include <numeric>
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namespace {
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template <typename T>
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struct iter_step
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{
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unsigned operator() (unsigned x, const T& y) const
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{
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return x + y;
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}
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};
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template <>
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struct iter_step<std::string>
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{
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unsigned operator() (unsigned x, const std::string& y) const
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{
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return x + (unsigned) y.size();
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}
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};
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template <>
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struct iter_step<immer::box<std::string>>
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{
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unsigned operator() (unsigned x, const immer::box<std::string>& y) const
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{
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return x + (unsigned) y->size();
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}
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};
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template <typename Generator, typename Set>
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auto benchmark_access_std_iter()
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{
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return [] (nonius::chronometer meter)
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{
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auto n = meter.param<N>();
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auto g1 = Generator{}(n);
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auto v = Set{};
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for (auto i = 0u; i < n; ++i)
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v.insert(g1[i]);
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using step_t = iter_step<typename decltype(g1)::value_type>;
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measure(meter, [&] {
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volatile auto c = std::accumulate(v.begin(), v.end(), 0u, step_t{});
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return c;
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});
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};
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}
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template <typename Generator, typename Set>
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auto benchmark_access_reduce()
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{
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return [] (nonius::chronometer meter)
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{
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auto n = meter.param<N>();
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auto g1 = Generator{}(n);
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auto v = Set{};
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for (auto i = 0u; i < n; ++i)
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v = v.insert(g1[i]);
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using step_t = iter_step<typename decltype(g1)::value_type>;
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measure(meter, [&] {
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volatile auto c = immer::accumulate(v, 0u, step_t{});
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return c;
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});
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};
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}
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template <typename Generator, typename Set>
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auto benchmark_access_iter()
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{
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return [] (nonius::chronometer meter)
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{
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auto n = meter.param<N>();
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auto g1 = Generator{}(n);
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auto v = Set{};
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for (auto i = 0u; i < n; ++i)
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v = v.insert(g1[i]);
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using step_t = iter_step<typename decltype(g1)::value_type>;
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measure(meter, [&] {
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volatile auto c = std::accumulate(v.begin(), v.end(), 0u, step_t{});
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return c;
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});
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};
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}
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} // namespace
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