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xtensor/benchmark/benchmark_xshape.cpp at master · xtensor-stack/xtensor · GitHub
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benchmark_xshape.cpp
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/*
**************************************************************************
* 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. *
***************************************************************************
*/
#
ifndef
BENCHMARK_SHAPE_HPP
#
define
BENCHMARK_SHAPE_HPP
#
include
<
benchmark/benchmark.h
>
#
include
"
xtensor/containers/xstorage.hpp
"
#
include
"
xtensor/core/xshape.hpp
"
namespace
xt
{
namespace
benchmark_xshape
{
template
<
class
T
>
void
xshape_initializer
(benchmark::State& state)
{
for
(
auto
_ : state)
{
T
sv
({
2
,
3
,
1
});
benchmark::DoNotOptimize
(sv.
data
());
}
}
template
<
class
T
>
void
xshape_initializer_long
(benchmark::State& state)
{
for
(
auto
_ : state)
{
T
sv
({
2
,
3
,
1
,
2
,
6
,
1
,
2
,
3
,
45
,
6
,
12
,
3
,
5
,
45
,
5
,
6
});
benchmark::DoNotOptimize
(sv.
data
());
}
}
template
<
class
T
>
void
xshape_access
(benchmark::State& state)
{
T
a
({
3
,
2
,
1
,
3
});
for
(
auto
_ : state)
{
a[
0
] = a[
1
] * a[
2
] + a[
3
];
a[
3
] = a[
1
];
a[
1
] = a[
2
] + a[
3
];
a[
2
] = a[
3
];
benchmark::DoNotOptimize
(a.
data
());
}
}
BENCHMARK_TEMPLATE
(xshape_initializer, std::vector<std::
size_t
>);
BENCHMARK_TEMPLATE
(xshape_initializer, xt::svector<std::
size_t
,
4
>);
BENCHMARK_TEMPLATE
(xshape_initializer, std::array<std::
size_t
,
4
>);
BENCHMARK_TEMPLATE
(xshape_initializer_long, xt::svector<std::
size_t
,
4
>);
BENCHMARK_TEMPLATE
(xshape_initializer_long, xt::uvector<std::
size_t
>);
BENCHMARK_TEMPLATE
(xshape_initializer_long, std::vector<std::
size_t
>);
BENCHMARK_TEMPLATE
(xshape_access, xt::uvector<
double
>);
BENCHMARK_TEMPLATE
(xshape_access, std::vector<
double
>);
BENCHMARK_TEMPLATE
(xshape_access, xt::svector<std::
size_t
,
4
>);
BENCHMARK_TEMPLATE
(xshape_access, std::array<std::
size_t
,
4
>);
}
}
#
endif
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