Measure the amount of GFlops/s the system can sustain. More...

#include <iostream>
#include <cstdlib>
#include <fstream>
#include <string>
#include "arglib.h"
#include "run_stats_table.h"

Include dependency graph for gflopstest.cpp:

Go to the source code of this file.

Classes
struct	thread_arg_t

struct	thread_map1_arg< T >

Macros
#define	MIN_T(a, b)

#define	GIGA

#define	VERBOSE(level, ...)

#define	MEGABYTE

Functions
void	help (const char *prg)

void	clean_mem (unsigned sz)

void	process_arr (double ara, double arb, double arc, unsigned sz, unsigned nthreads, void (fun)(void ))

template<class T >
void *	thread_map1_worker (void *arg)

template<class T >
void	thread_map1 (T array, T(map1)(T), unsigned sz, unsigned nthreads)

void	mul_arr_rev (double ara, double arb, double *arc, unsigned sz, unsigned threads)

double	sqrt_dbl (double v)

void *	mul_arr (void *a)

void *	imul_arr (void *a)

void *	add_arr (void *a)

void *	acc_arr (void *a)

void *	mulred_arr (void *a)

void *	mulsingle_arr (void *a)

void	profile (double ara, double arb, double arc, unsigned sz, unsigned num_threads, void (fun)(void ), ElapsedTimeRunStat &et, RunStatsTable &rst)

double	gflops (ElapsedTimeRunStat &et, unsigned sz)

int	main (int argc, char *argv[])

Variables
clarg::argInt	asz ("-asz", "array size", 10000000)

clarg::argInt	moda ("-moda", "modulo a", 0)

clarg::argInt	modb ("-modb", "modulo b", 0)

clarg::argInt	modc ("-modc", "modulo c", 0)

clarg::argInt	nt ("-nt", "number of threads", 0)

clarg::argInt	verb_level ("-v", "verbosity level", 0)

clarg::argBool	h ("-h", "help message", false)

clarg::argInt	cm ("-cm", "clean memory before execution", 512)

RunStatsTable	mul_rst ("-mul_rdt", "Array multiply statistics raw data table")

RunStatsTable	imul_rst ("-imul_rdt", "Array immeditate multiply statistics raw data table")

RunStatsTable	mulred_rst ("-mulred_rdt", "Array multiply and reduce statistics raw data table")

RunStatsTable	add_rst ("-add_rdt", "Array add statistics raw data table")

RunStatsTable	acc_rst ("-acc_rdt", "Array accumulate statistics raw data table")

RunStatsTable	mulsingle_rst ("-mulsingle_rdt", "Fake array-multiply statistics raw data table")

double	global_res

Detailed Description

Measure the amount of GFlops/s the system can sustain.

Author: Edson Borin

Since: 2012

Definition in file gflopstest.cpp.

Macro Definition Documentation

◆ GIGA

#define GIGA

Referenced by gflops().

◆ MEGABYTE

#define MEGABYTE

Referenced by main().

◆ MIN_T

#define MIN_T	(	a,
		b
	)

Referenced by process_arr(), and thread_map1().

◆ VERBOSE

#define VERBOSE	(	level,
		...
	)

Function Documentation

◆ acc_arr()

void* acc_arr ( void * a )

Definition at line 196 of file gflopstest.cpp.

References thread_arg_t::ara, thread_arg_t::arb, and thread_arg_t::sz.

Referenced by main().

◆ add_arr()

void* add_arr ( void * a )

Definition at line 183 of file gflopstest.cpp.

References thread_arg_t::ara, thread_arg_t::arb, thread_arg_t::arc, and thread_arg_t::sz.

Referenced by main().

◆ clean_mem()

void clean_mem ( unsigned sz )

Definition at line 44 of file gflopstest.cpp.

References acc_rst, add_rst, imul_rst, mul_rst, mulred_rst, and mulsingle_rst.

Referenced by main().

◆ gflops()

double gflops	(	ElapsedTimeRunStat &	et,
		unsigned	sz
	)

Definition at line 248 of file gflopstest.cpp.

References ElapsedTimeRunStat::getElapsedMS(), and GIGA.

Referenced by main().

◆ help()

void help ( const char * prg )

Definition at line 23 of file gflopstest.cpp.

References clarg::arguments_descriptions(), asz, cm, h, moda, modb, modc, nt, and verb_level.

Referenced by main().

◆ imul_arr()

void* imul_arr ( void * a )

Definition at line 171 of file gflopstest.cpp.

References thread_arg_t::ara, and thread_arg_t::sz.

Referenced by main().

◆ main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 257 of file gflopstest.cpp.

References acc_arr(), acc_rst, add_arr(), add_rst, clean_mem(), clarg::argT< T >::get_value(), gflops(), help(), imul_arr(), imul_rst, MEGABYTE, mul_arr(), mul_rst, mulred_arr(), mulred_rst, mulsingle_arr(), mulsingle_rst, clarg::parse_arguments(), profile(), clarg::values(), verbose, and clarg::arg_base::was_set().

◆ mul_arr()

void* mul_arr ( void * a )

Definition at line 158 of file gflopstest.cpp.

References thread_arg_t::ara, thread_arg_t::arb, thread_arg_t::arc, and thread_arg_t::sz.

Referenced by main().

◆ mul_arr_rev()

void mul_arr_rev	(	double *	ara,
		double *	arb,
		double *	arc,
		unsigned	sz,
		unsigned	threads
	)

Definition at line 149 of file gflopstest.cpp.

◆ mulred_arr()

void* mulred_arr ( void * a )

Definition at line 209 of file gflopstest.cpp.

References thread_arg_t::arb, thread_arg_t::arc, test::res, and thread_arg_t::sz.

Referenced by main().

◆ mulsingle_arr()

void* mulsingle_arr ( void * a )

Definition at line 223 of file gflopstest.cpp.

References thread_arg_t::arb, thread_arg_t::arc, test::res, and thread_arg_t::sz.

Referenced by main().

◆ process_arr()

void process_arr	(	double *	ara,
		double *	arb,
		double *	arc,
		unsigned	sz,
		unsigned	nthreads,
		void ()(void *)	fun
	)

Definition at line 68 of file gflopstest.cpp.

References thread_arg_t::ara, thread_arg_t::arb, thread_arg_t::arc, MIN_T, nthreads, and thread_arg_t::sz.

Referenced by profile().

◆ profile()

void profile	(	double *	ara,
		double *	arb,
		double *	arc,
		unsigned	sz,
		unsigned	num_threads,
		void ()(void *)	fun,
		ElapsedTimeRunStat &	et,
		RunStatsTable &	rst
	)

Definition at line 237 of file gflopstest.cpp.

References process_arr(), RunStatsTable::start(), ElapsedTimeRunStat::start(), RunStatsTable::stop(), and ElapsedTimeRunStat::stop().

Referenced by main().

◆ sqrt_dbl()

double sqrt_dbl ( double v )

Definition at line 156 of file gflopstest.cpp.

◆ thread_map1()

template<class T >

void thread_map1	(	T *	array,
		T(*)(T)	map1,
		unsigned	sz,
		unsigned	nthreads
	)

Definition at line 120 of file gflopstest.cpp.

References thread_map1_arg< T >::array, thread_map1_arg< T >::map_func, MIN_T, nthreads, and thread_map1_arg< T >::sub_sz.

◆ thread_map1_worker()

template<class T >

void* thread_map1_worker ( void * arg )

Definition at line 108 of file gflopstest.cpp.

References thread_map1_arg< T >::array, thread_map1_arg< T >::map_func, and thread_map1_arg< T >::sub_sz.

Variable Documentation

◆ acc_rst

RunStatsTable acc_rst("-acc_rdt", "Array accumulate statistics raw data table")

Referenced by clean_mem(), and main().

◆ add_rst

RunStatsTable add_rst("-add_rdt", "Array add statistics raw data table")

Referenced by clean_mem(), and main().

◆ asz

clarg::argInt asz("-asz", "array size", 10000000)

Referenced by help().

◆ cm

clarg::argInt cm("-cm", "clean memory before execution", 512)

Referenced by help().

◆ global_res

double global_res

Definition at line 208 of file gflopstest.cpp.

◆ h

clarg::argBool h("-h", "help message", false)

Referenced by help().

◆ imul_rst

RunStatsTable imul_rst("-imul_rdt", "Array immeditate multiply statistics raw data table")

Referenced by clean_mem(), and main().

◆ moda

clarg::argInt moda("-moda", "modulo a", 0)

Referenced by help().

◆ modb

clarg::argInt modb("-modb", "modulo b", 0)

Referenced by help().

◆ modc

clarg::argInt modc("-modc", "modulo c", 0)

Referenced by help().

◆ mul_rst

RunStatsTable mul_rst("-mul_rdt", "Array multiply statistics raw data table")

Referenced by clean_mem(), and main().

◆ mulred_rst

RunStatsTable mulred_rst("-mulred_rdt", "Array multiply and reduce statistics raw data table")

Referenced by clean_mem(), and main().

◆ mulsingle_rst

RunStatsTable mulsingle_rst("-mulsingle_rdt", "Fake array-multiply statistics raw data table")

Referenced by clean_mem(), and main().

◆ nt

clarg::argInt nt("-nt", "number of threads", 0)

Referenced by help().

◆ verb_level

clarg::argInt verb_level("-v", "verbosity level", 0)

Referenced by help().

Classes

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ GIGA

◆ MEGABYTE

◆ MIN_T

◆ VERBOSE

Function Documentation

◆ acc_arr()

◆ add_arr()

◆ clean_mem()

◆ gflops()

◆ help()

◆ imul_arr()

◆ main()

◆ mul_arr()

◆ mul_arr_rev()

◆ mulred_arr()

◆ mulsingle_arr()

◆ process_arr()

◆ profile()

◆ sqrt_dbl()

◆ thread_map1()

◆ thread_map1_worker()

Variable Documentation

◆ acc_rst

◆ add_rst

◆ asz

◆ cm

◆ global_res

◆ h

◆ imul_rst

◆ moda

◆ modb

◆ modc

◆ mul_rst

◆ mulred_rst

◆ mulsingle_rst

◆ nt

◆ verb_level