exprtk::timer Class Reference

#include <exprtk.hpp>

Public Member Functions
	timer ()
void	start ()
void	stop ()
unsigned long long int	usec_time () const
double	time () const
bool	in_use () const

Private Attributes
bool	in_use_
struct timeval	start_time_
struct timeval	stop_time_

Detailed Description

Definition at line 43432 of file exprtk.hpp.

Constructor & Destructor Documentation

timer()

exprtk::timer::timer ( )

inline

Definition at line 43464 of file exprtk.hpp.

      : in_use_(false)
      {
         start_time_.tv_sec  = 0;
         start_time_.tv_usec = 0;
 
         stop_time_.tv_sec   = 0;
         stop_time_.tv_usec  = 0;
      }

References start_time_, and stop_time_.

Member Function Documentation

in_use()

bool exprtk::timer::in_use ( ) const

inline

Definition at line 43509 of file exprtk.hpp.

      {
         return in_use_;
      }

References in_use_.

start()

void exprtk::timer::start ( )

inline

Definition at line 43474 of file exprtk.hpp.

      {
         in_use_ = true;
         gettimeofday(&start_time_,0);
      }

References in_use_, and start_time_.

Referenced by black_scholes_merton_model(), bsm_native(), function_call_benchmark01(), main(), perform_file_based_benchmark(), expression_processor< T >::process(), recursive_fibonacci_example(), run_expression_benchmark(), run_expression_benchmark(), run_exprtk_benchmark(), run_native_benchmark(), run_parse_benchmark(), run_threaded_benchmark(), sieve_of_eratosthenes(), sieve_of_eratosthenes_vectorized(), vector_rtc_overhead_analysis_01(), vector_rtc_overhead_analysis_02(), and vectorized_binomial_option_pricing_model().

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stop()

void exprtk::timer::stop ( )

inline

Definition at line 43480 of file exprtk.hpp.

      {
         gettimeofday(&stop_time_, 0);
         in_use_ = false;
      }

References in_use_, and stop_time_.

Referenced by black_scholes_merton_model(), bsm_native(), function_call_benchmark01(), main(), perform_file_based_benchmark(), expression_processor< T >::process(), recursive_fibonacci_example(), run_expression_benchmark(), run_expression_benchmark(), run_exprtk_benchmark(), run_native_benchmark(), run_parse_benchmark(), run_threaded_benchmark(), sieve_of_eratosthenes(), sieve_of_eratosthenes_vectorized(), vector_rtc_overhead_analysis_01(), vector_rtc_overhead_analysis_02(), and vectorized_binomial_option_pricing_model().

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time()

double exprtk::timer::time ( ) const

inline

Definition at line 43502 of file exprtk.hpp.

      {
         return usec_time() * 0.000001;
      }

References usec_time().

Referenced by black_scholes_merton_model(), bsm_native(), function_call_benchmark01(), main(), perform_file_based_benchmark(), expression_processor< T >::process(), recursive_fibonacci_example(), run_expression_benchmark(), run_expression_benchmark(), run_exprtk_benchmark(), run_native_benchmark(), run_parse_benchmark(), run_threaded_benchmark(), sieve_of_eratosthenes(), sieve_of_eratosthenes_vectorized(), vector_rtc_overhead_analysis_01(), vector_rtc_overhead_analysis_02(), and vectorized_binomial_option_pricing_model().

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usec_time()

unsigned long long int exprtk::timer::usec_time ( ) const

inline

Definition at line 43486 of file exprtk.hpp.

      {
         if (!in_use_)
         {
            if (stop_time_.tv_sec >= start_time_.tv_sec)
            {
               return 1000000LLU * static_cast<details::_uint64_t>(stop_time_.tv_sec  - start_time_.tv_sec ) +
                                   static_cast<details::_uint64_t>(stop_time_.tv_usec - start_time_.tv_usec) ;
            }
            else
               return std::numeric_limits<details::_uint64_t>::max();
         }
         else
            return std::numeric_limits<details::_uint64_t>::max();
      }

References in_use_, start_time_, and stop_time_.

Referenced by time().

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Member Data Documentation

in_use_

bool exprtk::timer::in_use_

private

Definition at line 43516 of file exprtk.hpp.

Referenced by in_use(), start(), stop(), and usec_time().

start_time_

struct timeval exprtk::timer::start_time_

private

Definition at line 43523 of file exprtk.hpp.

Referenced by start(), timer(), and usec_time().

stop_time_

struct timeval exprtk::timer::stop_time_

private

Definition at line 43524 of file exprtk.hpp.

Referenced by stop(), timer(), and usec_time().

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The documentation for this class was generated from the following file:

• exprtk/exprtk.hpp