1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
|
/***************************************************************************
* Copyright (c) 2016, Johan Mabille, Sylvain Corlay and Wolf Vollprecht *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#include <benchmark/benchmark.h>
#include "xtensor/xarray.hpp"
#include "xtensor/xbuilder.hpp"
#include "xtensor/xmath.hpp"
#include "xtensor/xnoalias.hpp"
#include "xtensor/xtensor.hpp"
namespace xt
{
void lambda_cube(benchmark::State& state)
{
xtensor<double, 2> x = empty<double>({state.range(0), state.range(0)});
for (auto _ : state)
{
xtensor<double, 2> res = xt::cube(x);
benchmark::DoNotOptimize(res.data());
}
}
void xexpression_cube(benchmark::State& state)
{
xtensor<double, 2> x = empty<double>({state.range(0), state.range(0)});
for (auto _ : state)
{
xtensor<double, 2> res = x * x * x;
benchmark::DoNotOptimize(res.data());
}
}
void lambda_higher_pow(benchmark::State& state)
{
xtensor<double, 2> x = empty<double>({state.range(0), state.range(0)});
for (auto _ : state)
{
xtensor<double, 2> res = xt::pow<16>(x);
benchmark::DoNotOptimize(res.data());
}
}
void xsimd_higher_pow(benchmark::State& state)
{
xtensor<double, 2> x = empty<double>({state.range(0), state.range(0)});
for (auto _ : state)
{
xtensor<double, 2> res = xt::pow(x, 16);
benchmark::DoNotOptimize(res.data());
}
}
void xexpression_higher_pow(benchmark::State& state)
{
xtensor<double, 2> x = empty<double>({state.range(0), state.range(0)});
for (auto _ : state)
{
xtensor<double, 2> res = x * x * x * x * x * x * x * x * x * x * x * x * x * x * x * x;
benchmark::DoNotOptimize(res.data());
}
}
BENCHMARK(lambda_cube)->Range(32, 32 << 3);
BENCHMARK(xexpression_cube)->Range(32, 32 << 3);
BENCHMARK(lambda_higher_pow)->Range(32, 32 << 3);
BENCHMARK(xsimd_higher_pow)->Range(32, 32 << 3);
BENCHMARK(xexpression_higher_pow)->Range(32, 32 << 3);
}
|