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bm_common.cpp
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Fri, Sep 27, 05:13
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Sun, Sep 29, 05:13 (1 d, 23 h)
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rSPECMICP SpecMiCP / ReactMiCP
bm_common.cpp
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// this file is a micro-benchmark of the specmicp common libs
// It uses the google/benchmark framework
#include <benchmark/benchmark.h>
#include "utils/range_iterator.hpp"
#include "utils/timer.hpp"
#include "utils/moving_average.hpp"
using
namespace
specmicp
;
// Range iterator
// ==============
static
void
BMSimpleLoop
(
benchmark
::
State
&
state
)
{
while
(
state
.
KeepRunning
())
{
for
(
int
i
=
0
;
i
<
100
;
++
i
)
{
benchmark
::
DoNotOptimize
(
i
);
}
}
}
BENCHMARK
(
BMSimpleLoop
);
static
void
BMRangeIterator
(
benchmark
::
State
&
state
)
{
while
(
state
.
KeepRunning
())
{
for
(
auto
it:
RangeIterator
<
int
>
(
100
))
{
benchmark
::
DoNotOptimize
(
it
);
}
}
}
BENCHMARK
(
BMRangeIterator
);
// Timer
// =====
static
void
BMTimer
(
benchmark
::
State
&
state
)
{
while
(
state
.
KeepRunning
())
{
Timer
timer
;
timer
.
stop
();
}
}
BENCHMARK
(
BMTimer
);
static
void
BMTimer_restart
(
benchmark
::
State
&
state
)
{
while
(
state
.
KeepRunning
())
{
Timer
timer
;
timer
.
start
();
timer
.
stop
();
}
}
BENCHMARK
(
BMTimer_restart
);
static
void
BMTimer_elapsedtime
(
benchmark
::
State
&
state
)
{
while
(
state
.
KeepRunning
())
{
Timer
timer
;
timer
.
stop
();
scalar_t
x
;
benchmark
::
DoNotOptimize
(
x
=
timer
.
elapsed_time
());
}
}
BENCHMARK
(
BMTimer_elapsedtime
);
// Moving Average
// ==============
static
void
BMMovingAverage_init
(
benchmark
::
State
&
state
)
{
while
(
state
.
KeepRunning
())
{
utils
::
ExponentialMovingAverage
average
(
0.2
,
1.0
);
benchmark
::
DoNotOptimize
(
average
);
}
}
BENCHMARK
(
BMMovingAverage_init
);
static
void
BMMovingAverage_addpoint
(
benchmark
::
State
&
state
)
{
while
(
state
.
KeepRunning
())
{
utils
::
ExponentialMovingAverage
average
(
0.2
,
1.0
);
scalar_t
x
;
benchmark
::
DoNotOptimize
(
x
=
average
.
add_point
(
2.0
));
}
}
BENCHMARK
(
BMMovingAverage_addpoint
);
BENCHMARK_MAIN
();
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