TestUtils.h File Reference

Helper functions to write simple benchmarks; benchmark tests can run parallel or serial. More...

#include "Config.h"
#include "SystemInfo.h"
#include "Stopwatch.h"
#include "Thread.h"
#include <boost/bind.hpp>
#include <cmath>
#include <limits>
#include <mutex>

Include dependency graph for TestUtils.h:

Go to the source code of this file.

Classes
class	Hypertable::TestStat
	Accumulates min, max, mean and stdev of the test results; based on the Welford method for numerical stability (see http://www.johndcook.com/standard_deviation.html) More...
struct	Hypertable::TestFun< FunT >
	Helper class wrapping the invocation of a single test function. More...
struct	Hypertable::Config::TestPolicy
	A Policy class for extending command line options. More...

Namespaces
	Hypertable
	Hypertable definitions
	Hypertable::Config

Macros
#define	HT_BENCH_OUT(_label_, _n_, _w_)
#define	HT_BENCH(_label_, _code_, _n_)
#define	HT_BENCH1(_label_, _code_, _n_)

Typedefs
typedef Cons< TestPolicy, DefaultPolicy >	Hypertable::Config::DefaultTestPolicy

Functions
void	Hypertable::print_proc_stat ()
	Prints statistics about the current process. More...
std::ostream &	Hypertable::operator<< (std::ostream &out, const TestStat &stat)
	Prints a TestStat instance to a stream. More...
template<typename FunT >
void	Hypertable::serial_run (FunT fun, size_t n, bool proc_stat=false)
	Runs a test serially n times in a row while accumulating the benchmark results. More...
template<typename FunT >
void	Hypertable::parallel_run (FunT fun, size_t n, bool proc_stat=false)
	Runs a test in parallel n times in a row while accumulating the benchmark results. More...
template<typename FunT >
void	Hypertable::run_test (FunT fun, bool proc_stat=false, const Properties *props=0)
	Runs a test based on command line parameters: More...

Detailed Description

Helper functions to write simple benchmarks; benchmark tests can run parallel or serial.

Calculates min/max/mean elapsed time.

Definition in file TestUtils.h.

Macro Definition Documentation

#define HT_BENCH	(		_label_,
			_code_,
			_n_
	)

Value:

do { \
  Stopwatch _w; \
  for (int i = 0, _n = (_n_); i < _n; ++i) { _code_; } \
  _w.stop(); \
  HT_BENCH_OUT(_label_, _n_, _w); \
} while (0)

Definition at line 45 of file TestUtils.h.

#define HT_BENCH1	(		_label_,
			_code_,
			_n_
	)

Value:

do { \
  Stopwatch _w; _code_; _w.stop(); \
  HT_BENCH_OUT(_label_, _n_, _w); \
} while (0)

Definition at line 52 of file TestUtils.h.

#define HT_BENCH_OUT	(		_label_,
			_n_,
			_w_
	)

Value:

do { \
  std::cout << ThisThread::get_id() <<": "<< (_label_) <<": " \
            << (_n_) / _w_.elapsed() <<"/s ("<< _w_.elapsed() / (_n_) * 1e6 \
            <<"ns per)"<< std::endl; \
} while(0)

Definition at line 39 of file TestUtils.h.