cybozu::CpuClock Class Reference

#include <benchmark.hpp>

Public Member Functions
	CpuClock ()
void	begin ()
void	end ()
int	getCount () const
uint64_t	getClock () const
void	clear ()
void	put (const char *msg=0, int N=1) const

Static Public Attributes
static const int	loopN1 = 1000000
static const int	loopN2 = 1000
static const uint64_t	maxClk = (uint64_t)500

Detailed Description

Definition at line 79 of file benchmark.hpp.

Constructor & Destructor Documentation

CpuClock()

cybozu::CpuClock::CpuClock ( )

inline

Definition at line 84 of file benchmark.hpp.

: clock_(0), count_(0) { t_.setTime(0, 0); }

Member Function Documentation

begin()

void cybozu::CpuClock::begin ( )

inline

Definition at line 85 of file benchmark.hpp.

    {
        if (count_ == 0) t_.setCurrentTime(); // start
    }

clear()

void cybozu::CpuClock::clear ( )

inline

Definition at line 103 of file benchmark.hpp.

{ t_.setTime(0, 0); clock_ = 0; count_ = 0; }

end()

void cybozu::CpuClock::end ( )

inline

Definition at line 92 of file benchmark.hpp.

    {
        cybozu::Time cur(true);
        int diffSec = (int)(cur.getTime() - t_.getTime());
        int diffMsec = cur.getMsec() - t_.getMsec();
        const int diff = diffSec * 1000 + diffMsec;
        clock_ = diff;
        count_++;
    }

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getClock()

uint64_t cybozu::CpuClock::getClock ( ) const

inline

Definition at line 102 of file benchmark.hpp.

{ return clock_; }

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getCount()

int cybozu::CpuClock::getCount ( ) const

inline

Definition at line 101 of file benchmark.hpp.

{ return count_; }

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put()

void cybozu::CpuClock::put ( const char * msg = 0, int N = 1 ) const

inline

Definition at line 104 of file benchmark.hpp.

    {
        double t = getClock() / double(getCount()) / N;
        if (msg && *msg) printf("%s ", msg);
        if (t > 1) {
            printf("%6.2fmsec", t);
        } else if (t > 1e-3) {
            printf("%6.2fusec", t * 1e3);
        } else {
            printf("%6.2fnsec", t * 1e6);
        }
        if (msg && *msg) printf("\n");
    }

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Member Data Documentation

loopN1

const int cybozu::CpuClock::loopN1 = 1000000

static

Definition at line 118 of file benchmark.hpp.

loopN2

const int cybozu::CpuClock::loopN2 = 1000

static

Definition at line 119 of file benchmark.hpp.

maxClk

const uint64_t cybozu::CpuClock::maxClk = (uint64_t)500

static

Definition at line 120 of file benchmark.hpp.

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

• libraries/fc/libraries/ff/depends/ate-pairing/include/cybozu/benchmark.hpp