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/*
* Simd Library (http://ermig1979.github.io/Simd).
*
* Copyright (c) 2011-2021 Yermalayeu Ihar.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __SimdPerformance_h__
#define __SimdPerformance_h__
#include "Simd/SimdDefs.h"
#include <string>
#include <sstream>
namespace Simd
{
typedef std::string String;
template <class T> SIMD_INLINE String ToStr(const T & value)
{
std::stringstream ss;
ss << value;
return ss.str();
}
}
#if defined(SIMD_PERFORMANCE_STATISTIC) && (defined(NDEBUG) || defined(SIMD_PERF_STAT_IN_DEBUG))
#include "Simd/SimdTime.h"
#include <limits>
#include <iostream>
#include <iomanip>
#include <memory>
#include <map>
#include <thread>
#include <mutex>
#include <algorithm>
namespace Simd
{
namespace Base
{
class PerformanceMeasurer
{
String _name;
int64_t _start, _current, _total, _min, _max;
int64_t _count, _flop;
bool _entered, _paused;
public:
PerformanceMeasurer(const String& name = "Unknown", int64_t flop = 0);
PerformanceMeasurer(const PerformanceMeasurer& pm);
void Enter();
void Leave(bool pause = false);
String Statistic() const;
void Combine(const PerformanceMeasurer& other);
private:
double Average() const;
double GFlops() const;
};
class PerformanceMeasurerHolder
{
PerformanceMeasurer * _pm;
public:
SIMD_INLINE PerformanceMeasurerHolder(PerformanceMeasurer * pm, bool enter = true)
: _pm(pm)
{
if (_pm && enter)
_pm->Enter();
}
SIMD_INLINE void Enter()
{
if (_pm)
_pm->Enter();
}
SIMD_INLINE void Leave(bool pause)
{
if (_pm)
_pm->Leave(pause);
}
SIMD_INLINE ~PerformanceMeasurerHolder()
{
if (_pm)
_pm->Leave();
}
};
class PerformanceMeasurerStorage
{
typedef PerformanceMeasurer Pm;
typedef std::shared_ptr<Pm> PmPtr;
typedef std::map<String, PmPtr> FunctionMap;
typedef std::map<std::thread::id, FunctionMap> ThreadMap;
ThreadMap _map;
mutable std::mutex _mutex;
String _report;
SIMD_INLINE FunctionMap & ThisThread()
{
static thread_local FunctionMap * thread = NULL;
if (thread == NULL)
{
std::lock_guard<std::mutex> lock(_mutex);
thread = &_map[std::this_thread::get_id()];
}
return *thread;
}
public:
static PerformanceMeasurerStorage s_storage;
PerformanceMeasurerStorage()
{
}
SIMD_INLINE PerformanceMeasurer * Get(const String & name, int64_t flop = 0)
{
FunctionMap & thread = ThisThread();
PerformanceMeasurer * pm = NULL;
FunctionMap::iterator it = thread.find(name);
if (it == thread.end())
{
pm = new PerformanceMeasurer(name, flop);
thread[name].reset(pm);
}
else
pm = it->second.get();
return pm;
}
SIMD_INLINE PerformanceMeasurer * Get(const String func, const String & desc, int64_t flop = 0)
{
return Get(func + "{ " + desc + " }", flop);
}
const char* PerformanceStatistic();
};
}
}
#define SIMD_PERF_FUNCF(flop) Simd::Base::PerformanceMeasurerHolder SIMD_CAT(__pmh, __LINE__)(Simd::Base::PerformanceMeasurerStorage::s_storage.Get(SIMD_FUNCTION, (int64_t)(flop)))
#define SIMD_PERF_FUNC() SIMD_PERF_FUNCF(0)
#define SIMD_PERF_BEGF(desc, flop) Simd::Base::PerformanceMeasurerHolder SIMD_CAT(__pmh, __LINE__)(Simd::Base::PerformanceMeasurerStorage::s_storage.Get(SIMD_FUNCTION, desc, (int64_t)(flop)))
#define SIMD_PERF_BEG(desc) SIMD_PERF_BEGF(desc, 0)
#define SIMD_PERF_IFF(cond, desc, flop) Simd::Base::PerformanceMeasurerHolder SIMD_CAT(__pmh, __LINE__)((cond) ? Simd::Base::PerformanceMeasurerStorage::s_storage.Get(SIMD_FUNCTION, desc, (int64_t)(flop)) : NULL)
#define SIMD_PERF_IF(cond, desc) SIMD_PERF_IFF(cond, desc, 0)
#define SIMD_PERF_END(desc) Simd::Base::PerformanceMeasurerStorage::s_storage.Get(SIMD_FUNCTION, desc)->Leave();
#define SIMD_PERF_INITF(name, desc, flop) Simd::Base::PerformanceMeasurerHolder name(Simd::Base::PerformanceMeasurerStorage::s_storage.Get(SIMD_FUNCTION, desc, (int64_t)(flop)), false);
#define SIMD_PERF_INIT(name, desc) SIMD_PERF_INITF(name, desc, 0);
#define SIMD_PERF_START(name) name.Enter();
#define SIMD_PERF_PAUSE(name) name.Leave(true);
#define SIMD_PERF_EXT(ext) Simd::Base::PerformanceMeasurerHolder SIMD_CAT(__pmh, __LINE__)((ext)->Perf(SIMD_FUNCTION))
#else//SIMD_PERFORMANCE_STATISTIC
#define SIMD_PERF_FUNCF(flop)
#define SIMD_PERF_FUNC()
#define SIMD_PERF_BEGF(desc, flop)
#define SIMD_PERF_BEG(desc)
#define SIMD_PERF_IFF(cond, desc, flop)
#define SIMD_PERF_IF(cond, desc)
#define SIMD_PERF_END(desc)
#define SIMD_PERF_INITF(name, desc, flop)
#define SIMD_PERF_INIT(name, desc)
#define SIMD_PERF_START(name)
#define SIMD_PERF_PAUSE(name)
#define SIMD_PERF_EXT(ext)
#endif//SIMD_PERFORMANCE_STATISTIC
#endif//__SimdPerformance_h__
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