e41a52bb
 Hu Chunming
1.优化数据读取线程；2. 添加A...
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/**
* Copyright 1993-2015 NVIDIA Corporation. All rights reserved.
*
* Please refer to the NVIDIA end user license agreement (EULA) associated
* with this source code for terms and conditions that govern your use of
* this software. Any use, reproduction, disclosure, or distribution of
* this software and related documentation outside the terms of the EULA
* is strictly prohibited.
*
*/
#ifndef NV_NPP_UTIL_STOP_WATCH_BASE_H
#define NV_NPP_UTIL_STOP_WATCH_BASE_H
namespace npp
{
/// Simple stop watch class
/// This class uses high-precision timers. It is implemented
/// using templates and inline functions to cause minimal call-overhead
/// and provide the most accurate timings.
template<class OSPolicy>
class StopWatchBase : public OSPolicy
{
public:
// generic, specialized type
typedef StopWatchBase<OSPolicy> SelfType;
// generic, specialized type pointer
typedef StopWatchBase<OSPolicy> *SelfTypePtr;
public:
//! Constructor, default
StopWatchBase();
// Destructor
~StopWatchBase();
public:
//! Start time measurement
inline void start();
//! Stop time measurement
inline void stop();
//! Reset time counters to zero
inline void reset();
//! Time in msec. after start. If the stop watch is still running (i.e. there
//! was no call to stop()) then the elapsed time is returned, otherwise the
//! time between the last start() and stop call is returned
inline const double elapsed() const;
private:
//! Constructor, copy (not implemented)
StopWatchBase(const StopWatchBase &);
//! Assignment operator (not implemented)
StopWatchBase &operator=(const StopWatchBase &);
};
// include, implementation
#include "StopWatchBase.inl"
} // npp namespace
#endif // NV_NPP_UTIL_STOP_WATCH_BASE_H
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