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// Timing tools.
#ifndef _CL_TIMING_H
#define _CL_TIMING_H
#include "cln/config.h"
#include "cln/intparam.h"
#include "cln/types.h"
#include "cln/io.h"
namespace cln {
struct cl_timespec {
uintL tv_sec; // seconds since 1970-01-01
sintL tv_nsec; // nanoseconds, >= 0, < 1000000000
// Constructors.
cl_timespec () {}
cl_timespec (uintL sec, sintL nsec)
: tv_sec (sec), tv_nsec (nsec) {}
};
struct cl_time_duration {
uintL tv_sec; // seconds
uintL tv_nsec; // nanoseconds
// Constructors.
cl_time_duration () {}
cl_time_duration (uintL sec)
: tv_sec (sec), tv_nsec (0) {}
cl_time_duration (uintL sec, uintL nsec)
: tv_sec (sec), tv_nsec (nsec) {}
};
struct cl_time_consumption {
cl_time_duration realtime; // elapsed time
cl_time_duration usertime; // system's notion of user time/run time
};
extern const cl_time_duration operator- (const cl_timespec&, const cl_timespec&);
extern const cl_timespec operator+ (const cl_timespec&, const cl_time_duration&);
extern const cl_timespec operator- (const cl_timespec&, const cl_time_duration&);
extern const cl_time_duration operator+ (const cl_time_duration&, const cl_time_duration&);
extern const cl_time_duration operator- (const cl_time_duration&, const cl_time_duration&);
extern const cl_timespec cl_current_time ();
extern const cl_time_consumption cl_current_time_consumption ();
// Report a time consumption.
// (Should better be a virtual member function of `cl_time_consumption').
extern void cl_timing_report (std::ostream&, const cl_time_consumption&);
struct cl_timing {
// Constructor, starts the time interval.
cl_timing (cl_time_consumption& accumulator);
cl_timing (std::ostream& destination = std::cerr);
cl_timing (const char *, std::ostream& destination = std::cerr);
// Destructor, closes the time interval and does a report.
~cl_timing ();
//private:
cl_time_consumption tmp;
void (*report_fn) (const cl_timing&);
void* report_destination;
const char * comment;
};
// Macro for timing.
// Usage:
// { CL_TIMING; computation(); }
// or { CL_TIMING(accumulator); computation(); }
// or { CL_TIMING(cout); computation(); }
// The timing interval starts immediately and ends at the closing brace.
#define CL_TIMING CL_TIMING1(__LINE__)
#define CL_TIMING1(line) CL_TIMING2(line)
#define CL_TIMING2(line) cl_timing cl_timing_dummy_##line
} // namespace cln
#endif /* _CL_TIMING_H */