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// (C) Copyright Matt Borland 2021.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <vector>
#include <boost/math/tools/random_vector.hpp>
#include <boost/math/statistics/bivariate_statistics.hpp>
#include <benchmark/benchmark.h>
using boost::math::generate_random_vector;
template<typename T>
void seq_covariance(benchmark::State& state)
{
constexpr std::size_t seed {};
const std::size_t size = state.range(0);
std::vector<T> u = generate_random_vector<T>(size, seed);
std::vector<T> v = generate_random_vector<T>(size, seed);
for(auto _ : state)
{
benchmark::DoNotOptimize(boost::math::statistics::covariance(std::execution::seq, u, v));
}
state.SetComplexityN(state.range(0));
}
template<typename T>
void par_covariance(benchmark::State& state)
{
constexpr std::size_t seed {};
const std::size_t size = state.range(0);
std::vector<T> u = generate_random_vector<T>(size, seed);
std::vector<T> v = generate_random_vector<T>(size, seed);
for(auto _ : state)
{
benchmark::DoNotOptimize(boost::math::statistics::covariance(std::execution::par, u, v));
}
state.SetComplexityN(state.range(0));
}
template<typename T>
void seq_correlation(benchmark::State& state)
{
constexpr std::size_t seed {};
const std::size_t size = state.range(0);
std::vector<T> u = generate_random_vector<T>(size, seed);
std::vector<T> v = generate_random_vector<T>(size, seed);
for(auto _ : state)
{
benchmark::DoNotOptimize(boost::math::statistics::correlation_coefficient(std::execution::seq, u, v));
}
state.SetComplexityN(state.range(0));
}
template<typename T>
void par_correlation(benchmark::State& state)
{
constexpr std::size_t seed {};
const std::size_t size = state.range(0);
std::vector<T> u = generate_random_vector<T>(size, seed);
std::vector<T> v = generate_random_vector<T>(size, seed);
for(auto _ : state)
{
benchmark::DoNotOptimize(boost::math::statistics::correlation_coefficient(std::execution::par, u, v));
}
state.SetComplexityN(state.range(0));
}
BENCHMARK_TEMPLATE(seq_covariance, double)->RangeMultiplier(2)->Range(1 << 6, 1 << 20)->Complexity(benchmark::oN)->UseRealTime();
BENCHMARK_TEMPLATE(par_covariance, double)->RangeMultiplier(2)->Range(1 << 6, 1 << 20)->Complexity(benchmark::oN)->UseRealTime();
BENCHMARK_TEMPLATE(seq_correlation, double)->RangeMultiplier(2)->Range(1 << 6, 1 << 20)->Complexity(benchmark::oN)->UseRealTime();
BENCHMARK_TEMPLATE(par_correlation, double)->RangeMultiplier(2)->Range(1 << 6, 1 << 20)->Complexity(benchmark::oN)->UseRealTime();
BENCHMARK_MAIN();
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