edm::RunningAverage Class Reference

#include <RunningAverage.h>

Public Member Functions
int	mean () const
	RunningAverage (unsigned int k=4)
void	update (unsigned int q)
int	upper () const

Static Public Attributes
static constexpr int	N = 16

Private Member Functions
friend	int ::test_average::running_average::test ()

Private Attributes
std::array< std::atomic< int >, N >	m_buffer
std::atomic< int >	m_curr
std::atomic< int >	m_mean

Detailed Description

Definition at line 17 of file RunningAverage.h.

Constructor & Destructor Documentation

RunningAverage()

edm::RunningAverage::RunningAverage ( unsigned int  k = 4 )

inlineexplicit

Definition at line 23 of file RunningAverage.h.

                                                : m_mean(N * k), m_curr(0) {
      for (auto& i : m_buffer)
        i = k;
    }

References mps_fire::i, dqmdumpme::k, and m_buffer.

Member Function Documentation

int ::test_average::running_average::test()

edm::RunningAverage::int ::test_average::running_average::test ( )

private

Referenced by edmIntegrityCheck.IntegrityCheck::report(), and edmIntegrityCheck.IntegrityCheck::structured().

mean()

int edm::RunningAverage::mean ( ) const

inline

Definition at line 28 of file RunningAverage.h.

{ return m_mean / N; }

References m_mean, and N.

Referenced by upper().

update()

void edm::RunningAverage::update ( unsigned int  q )

inline

Definition at line 35 of file RunningAverage.h.

                                {
      int e = m_curr;
      while (!m_curr.compare_exchange_weak(e, e + 1))
        ;
      int k = (N - 1) & e;
      int old = m_buffer[k];
      if (!m_buffer[k].compare_exchange_strong(old, q))
        return;
      m_mean += (q - old);
    }

References MillePedeFileConverter_cfg::e, dqmdumpme::k, m_buffer, m_curr, m_mean, N, and data-class-funcs::q.

Referenced by progressbar.ProgressBar::__next__(), MatrixUtil.Matrix::__setitem__(), MatrixUtil.Steps::__setitem__(), HitPairGenerator::clear(), progressbar.ProgressBar::finish(), MatrixUtil.Steps::overwrite(), MultiHitFromChi2EDProducer::produce(), hitTripletEDProducerT::Impl< T_HitTripletGenerator, T_SeedingHitSets, T_IntermediateHitTriplets >::produce(), HitTripletGenerator::run(), and MultiHitGenerator::run().

upper()

int edm::RunningAverage::upper ( ) const

inline

Definition at line 30 of file RunningAverage.h.

                      {
      auto lm = mean();
      return lm += (std::abs(m_buffer[0] - lm) + std::abs(m_buffer[N / 2] - lm));
    }  // about 2 sigma

References funct::abs(), m_buffer, mean(), and N.

Referenced by MultiHitFromChi2EDProducer::produce(), hitTripletEDProducerT::Impl< T_HitTripletGenerator, T_SeedingHitSets, T_IntermediateHitTriplets >::produce(), HitTripletGenerator::run(), MultiHitGenerator::run(), and HitPairGenerator::run().

Member Data Documentation

m_buffer

std::array<std::atomic<int>, N> edm::RunningAverage::m_buffer

private

Definition at line 47 of file RunningAverage.h.

Referenced by RunningAverage(), update(), and upper().

m_curr

std::atomic<int> edm::RunningAverage::m_curr

private

Definition at line 49 of file RunningAverage.h.

Referenced by update().

m_mean

std::atomic<int> edm::RunningAverage::m_mean

private

Definition at line 48 of file RunningAverage.h.

Referenced by mean(), and update().

N

constexpr int edm::RunningAverage::N = 16

staticconstexpr

Definition at line 22 of file RunningAverage.h.

Referenced by mean(), update(), and upper().