folly::SimpleQuantileEstimator< ClockT > Class Template Reference

#include <QuantileEstimator.h>

Public Types
using	TimePoint = typename ClockT::time_point

Public Member Functions
	SimpleQuantileEstimator ()
QuantileEstimates	estimateQuantiles (Range< const double * > quantiles, TimePoint now=ClockT::now())
void	addValue (double value, TimePoint now=ClockT::now())
void	flush ()
	Flush buffered values. More...

Private Attributes
detail::BufferedDigest< TDigest, ClockT >	bufferedDigest_

Detailed Description

template<typename ClockT = std::chrono::steady_clock>
class folly::SimpleQuantileEstimator< ClockT >

Definition at line 36 of file QuantileEstimator.h.

Member Typedef Documentation

template<typename ClockT = std::chrono::steady_clock>

using folly::SimpleQuantileEstimator< ClockT >::TimePoint = typename ClockT::time_point

Definition at line 38 of file QuantileEstimator.h.

Constructor & Destructor Documentation

template<typename ClockT >

folly::SimpleQuantileEstimator< ClockT >::SimpleQuantileEstimator

(

)

Definition at line 33 of file QuantileEstimator-defs.h.

    : bufferedDigest_(std::chrono::seconds{1}, 1000, 100) {}

Member Function Documentation

template<typename ClockT >

void folly::SimpleQuantileEstimator< ClockT >::addValue	(	double	value,
		TimePoint	now = ClockT::now()
	)

Definition at line 45 of file QuantileEstimator-defs.h.

References folly::SimpleQuantileEstimator< ClockT >::bufferedDigest_.

Referenced by TEST().

                                                                          {
  bufferedDigest_.append(value, now);
}

template<typename ClockT >

QuantileEstimates folly::SimpleQuantileEstimator< ClockT >::estimateQuantiles	(	Range< const double * >	quantiles,
		TimePoint	now = ClockT::now()
	)

Definition at line 37 of file QuantileEstimator-defs.h.

References folly::SimpleQuantileEstimator< ClockT >::bufferedDigest_, and folly::detail::estimatesFromDigest().

Referenced by TEST().

                   {
  auto digest = bufferedDigest_.get(now);
  return detail::estimatesFromDigest(digest, quantiles);
}

template<typename ClockT = std::chrono::steady_clock>

void folly::SimpleQuantileEstimator< ClockT >::flush ( )

inline

Flush buffered values.

Definition at line 49 of file QuantileEstimator.h.

               {
    bufferedDigest_.flush();
  }

Member Data Documentation

template<typename ClockT = std::chrono::steady_clock>

detail::BufferedDigest<TDigest, ClockT> folly::SimpleQuantileEstimator< ClockT >::bufferedDigest_

private

Definition at line 54 of file QuantileEstimator.h.

Referenced by folly::SimpleQuantileEstimator< ClockT >::addValue(), and folly::SimpleQuantileEstimator< ClockT >::estimateQuantiles().

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

• proxygen/folly/folly/stats/QuantileEstimator.h
• proxygen/folly/folly/stats/QuantileEstimator-defs.h