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main_benchmark.cpp
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Created
Thu, Apr 25, 11:49
Size
1 KB
Mime Type
text/x-c++
Expires
Sat, Apr 27, 11:49 (2 d)
Engine
blob
Format
Raw Data
Handle
17253281
Attached To
R12667 gbench-stream
main_benchmark.cpp
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/* -------------------------------------------------------------------------- */
#include <aka_iterators.hh>
/* -------------------------------------------------------------------------- */
#include <algorithm>
#include <benchmark/benchmark.h>
#include <vector>
/* -------------------------------------------------------------------------- */
using
namespace
akantu
;
using
stream_type
=
int
;
class
MyFixture
:
public
benchmark
::
Fixture
{
public
:
void
SetUp
(
const
::
benchmark
::
State
&
state
)
{
A
.
resize
(
state
.
range
(
0
)
/
sizeof
(
stream_type
));
B
.
resize
(
state
.
range
(
0
)
/
sizeof
(
stream_type
));
auto
view
=
enumerate
(
A
,
B
);
std
::
for_each
(
view
.
begin
(),
view
.
end
(),
[](
auto
&&
data
)
{
std
::
get
<
1
>
(
data
)
=
2.
*
std
::
get
<
0
>
(
data
);
std
::
get
<
2
>
(
data
)
=
0.
;
});
}
void
TearDown
(
const
::
benchmark
::
State
&
/*state*/
)
{}
std
::
vector
<
stream_type
>
A
;
std
::
vector
<
stream_type
>
B
;
};
BENCHMARK_DEFINE_F
(
MyFixture
,
CopyZip
)(
benchmark
::
State
&
st
)
{
auto
view
=
zip
(
A
,
B
);
std
::
for_each
(
view
.
begin
(),
view
.
end
(),
[](
auto
&&
data
)
{
std
::
get
<
1
>
(
data
)
=
std
::
get
<
0
>
(
data
);
});
for
(
auto
_
:
st
)
{
benchmark
::
DoNotOptimize
(
std
::
for_each
(
view
.
begin
(),
view
.
end
(),
[](
auto
&&
data
)
{
std
::
get
<
1
>
(
data
)
=
std
::
get
<
0
>
(
data
);
}));
}
st
.
SetBytesProcessed
(
int64_t
(
st
.
iterations
())
*
int64_t
(
st
.
range
(
0
)));
}
BENCHMARK_REGISTER_F
(
MyFixture
,
CopyZip
)
->
RangeMultiplier
(
2
)
->
Range
(
1
<<
10
,
1
<<
26
);
BENCHMARK_MAIN
();
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