78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
// Copyright 2018 Hans Dembinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <benchmark/benchmark.h>
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#include <boost/histogram/axis.hpp>
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#include <numeric>
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#include "../test/throw_exception.hpp"
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#include "generator.hpp"
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#include <cassert>
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struct assert_check {
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assert_check() {
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assert(false); // don't run with asserts enabled
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}
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} _;
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using namespace boost::histogram;
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template <class Distribution>
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static void regular(benchmark::State& state) {
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auto a = axis::regular<>(100, 0.0, 1.0);
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generator<Distribution> gen;
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for (auto _ : state) benchmark::DoNotOptimize(a.index(gen()));
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}
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template <class Distribution>
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static void circular(benchmark::State& state) {
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auto a = axis::circular<>(100, 0.0, 1.0);
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generator<Distribution> gen;
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for (auto _ : state) benchmark::DoNotOptimize(a.index(gen()));
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}
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template <class T, class Distribution>
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static void integer(benchmark::State& state) {
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auto a = axis::integer<T>(0, 1);
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generator<Distribution> gen;
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for (auto _ : state) benchmark::DoNotOptimize(a.index(gen()));
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}
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template <class Distribution>
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static void variable(benchmark::State& state) {
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std::vector<double> v;
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for (double x = 0; x <= state.range(0); ++x) { v.push_back(x / state.range(0)); }
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auto a = axis::variable<>(v);
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generator<Distribution> gen;
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for (auto _ : state) benchmark::DoNotOptimize(a.index(gen()));
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}
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static void category(benchmark::State& state) {
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std::vector<int> v(state.range(0));
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std::iota(v.begin(), v.end(), 0);
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auto a = axis::category<int>(v);
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generator<uniform_int> gen(static_cast<int>(state.range(0)));
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for (auto _ : state) benchmark::DoNotOptimize(a.index(gen()));
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}
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static void boolean(benchmark::State& state) {
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auto a = axis::boolean<>();
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generator<uniform_int> gen(1);
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for (auto _ : state) benchmark::DoNotOptimize(a.index(static_cast<bool>(gen())));
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}
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BENCHMARK_TEMPLATE(regular, uniform);
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BENCHMARK_TEMPLATE(regular, normal);
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BENCHMARK_TEMPLATE(circular, uniform);
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BENCHMARK_TEMPLATE(circular, normal);
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BENCHMARK_TEMPLATE(integer, int, uniform);
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BENCHMARK_TEMPLATE(integer, int, normal);
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BENCHMARK_TEMPLATE(integer, double, uniform);
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BENCHMARK_TEMPLATE(integer, double, normal);
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BENCHMARK_TEMPLATE(variable, uniform)->RangeMultiplier(10)->Range(10, 10000);
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BENCHMARK_TEMPLATE(variable, normal)->RangeMultiplier(10)->Range(10, 10000);
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BENCHMARK(category)->RangeMultiplier(10)->Range(10, 10000);
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BENCHMARK(boolean);
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