tvl-depot/third_party/immer/benchmark/vector/drop.hpp

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//
// immer: immutable data structures for C++
// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
//
// This software is distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
//
#pragma once
#include "benchmark/vector/common.hpp"
namespace {
template <typename Vektor,
typename PushFn=push_back_fn>
auto benchmark_drop()
{
return [] (nonius::chronometer meter)
{
auto n = meter.param<N>();
auto v = Vektor{};
for (auto i = 0u; i < n; ++i)
v = PushFn{}(std::move(v), i);
measure(meter, [&] {
for (auto i = 0u; i < n; ++i)
(void) v.drop(i);
});
};
}
template <typename Vektor,
typename PushFn=push_back_fn>
auto benchmark_drop_lin()
{
return [] (nonius::chronometer meter)
{
auto n = meter.param<N>();
auto v = Vektor{};
for (auto i = 0u; i < n; ++i)
v = PushFn{}(std::move(v), i);
measure(meter, [&] {
auto r = v;
for (auto i = 0u; i < n; ++i)
r = r.drop(1);
return r;
});
};
}
template <typename Vektor,
typename PushFn=push_back_fn>
auto benchmark_drop_move()
{
return [] (nonius::chronometer meter)
{
auto n = meter.param<N>();
auto v = Vektor{};
for (auto i = 0u; i < n; ++i)
v = PushFn{}(std::move(v), i);
measure(meter, [&] {
auto r = v;
for (auto i = 0u; i < n; ++i)
r = std::move(r).drop(1);
return r;
});
};
}
template <typename Vektor,
typename PushFn=push_back_fn>
auto benchmark_drop_mut()
{
return [] (nonius::chronometer meter)
{
auto n = meter.param<N>();
auto vv = Vektor{};
for (auto i = 0u; i < n; ++i)
vv = PushFn{}(std::move(vv), i);
measure(meter, [&] {
auto v = vv.transient();
for (auto i = 0u; i < n; ++i)
(void) v.drop(1);
});
};
}
template <typename Fn>
auto benchmark_drop_librrb(Fn make)
{
return [=] (nonius::chronometer meter)
{
auto n = meter.param<N>();
auto v = make(n);
measure(meter, [&] {
for (auto i = 0u; i < n; ++i)
rrb_slice(v, i, n);
});
};
}
template <typename Fn>
auto benchmark_drop_lin_librrb(Fn make)
{
return [=] (nonius::chronometer meter)
{
auto n = meter.param<N>();
auto v = make(n);
measure(meter, [&] {
auto r = v;
for (auto i = 0u; i < n; ++i)
r = rrb_slice(r, 1, n);
return r;
});
};
}
template <typename Fn>
auto benchmark_drop_mut_librrb(Fn make)
{
return [=] (nonius::chronometer meter)
{
auto n = meter.param<N>();
auto v = make(n);
measure(meter, [&] {
auto r = rrb_to_transient(v);
for (auto i = 0u; i < n; ++i)
r = transient_rrb_slice(r, 1, n);
return r;
});
};
}
} // anonymous namespace