smpi_bench.cpp File Reference

#include <cstring>
#include <unordered_map>
#include <utility>
#include "src/internal_config.h"
#include "private.h"
#include "private.hpp"
#include <xbt/ex.hpp>
#include "xbt/dict.h"
#include "xbt/sysdep.h"
#include "xbt/ex.h"
#include "surf/surf.h"
#include "simgrid/sg_config.h"
#include "simgrid/modelchecker.h"
#include "src/mc/mc_replay.h"
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <math.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>

Classes
class	std::hash< smpi_source_location >
struct	local_data_t

Namespaces
	std

Macros
#define	MAP_ANONYMOUS   MAP_ANON
#define	PTR_STRLEN   (2 + 2 * sizeof(void*) + 1)

Functions
	XBT_LOG_NEW_DEFAULT_SUBCATEGORY (smpi_bench, smpi, "Logging specific to SMPI (benchmarking)")
static size_t	shm_size (int fd)
static void *	shm_map (int fd, size_t size, shared_data_key_type *data)
void	smpi_bench_destroy ()
void	smpi_execute_flops_ (double *flops)
void	smpi_execute_ (double *duration)
void	smpi_execute_flops (double flops)
void	smpi_execute (double duration)
void	smpi_bench_begin ()
void	smpi_bench_end ()
static unsigned int	private_sleep (double secs)
unsigned int	smpi_sleep (unsigned int secs)
int	smpi_usleep (useconds_t usecs)
int	smpi_gettimeofday (struct timeval *tv, void *tz)
unsigned long long	smpi_rastro_resolution ()
unsigned long long	smpi_rastro_timestamp ()
static char *	sample_location (int global, const char *file, int line)
static int	sample_enough_benchs (local_data_t *data)
void	smpi_sample_1 (int global, const char *file, int line, int iters, double threshold)
int	smpi_sample_2 (int global, const char *file, int line)
void	smpi_sample_3 (int global, const char *file, int line)
void *	smpi_shared_malloc (size_t size, const char *file, int line)
void	smpi_shared_free (void *ptr)
int	smpi_shared_known_call (const char *func, const char *input)
void *	smpi_shared_get_call (const char *func, const char *input)
void *	smpi_shared_set_call (const char *func, const char *input, void *data)
void	smpi_switch_data_segment (int dest)
	Map a given SMPI privatization segment (make a SMPI process active) More...
void	smpi_really_switch_data_segment (int dest)
	Map a given SMPI privatization segment (make a SMPI process active) even if SMPI thinks it is already active. More...
int	smpi_is_privatisation_file (char *file)
void	smpi_initialize_global_memory_segments ()
void	smpi_destroy_global_memory_segments ()
smpi_trace_call_location_t *	smpi_trace_get_call_location ()
	These functions will be called from the user code. More...
void	smpi_trace_set_call_location (const char *file, const int line)
	Functions for call location tracing. More...
void	smpi_trace_set_call_location_ (const char *file, int *line)
	Required for Fortran bindings. More...
void	smpi_trace_set_call_location__ (const char *file, int *line)
	Required for Fortran if -fsecond-underscore is activated. More...

Variables
xbt_dict_t	samples = nullptr
xbt_dict_t	calls = nullptr
double	smpi_cpu_threshold
double	smpi_host_speed
int	smpi_loaded_page = -1
char *	smpi_start_data_exe = nullptr
int	smpi_size_data_exe = 0
bool	smpi_privatize_global_variables
double	smpi_total_benched_time = 0
smpi_privatisation_region_t	smpi_privatisation_regions
double	sg_surf_precision

Macro Definition Documentation

MAP_ANONYMOUS

#define MAP_ANONYMOUS   MAP_ANON

PTR_STRLEN

#define PTR_STRLEN   (2 + 2 * sizeof(void*) + 1)

Function Documentation

XBT_LOG_NEW_DEFAULT_SUBCATEGORY()

XBT_LOG_NEW_DEFAULT_SUBCATEGORY	(	smpi_bench	,
		smpi	,
		"Logging specific to SMPI (benchmarking)"
	)

shm_size()

static size_t shm_size ( int  fd )

static

shm_map()

static void* shm_map ( int  fd, size_t  size, shared_data_key_type *  data  )

static

smpi_bench_destroy()

void smpi_bench_destroy

(

)

smpi_execute_flops_()

void smpi_execute_flops_

(

double *

flops

)

smpi_execute_()

void smpi_execute_

(

double *

duration

)

smpi_execute_flops()

void smpi_execute_flops

(

double

flops

)

smpi_execute()

void smpi_execute

(

double

duration

)

smpi_bench_begin()

void smpi_bench_begin

(

)

smpi_bench_end()

void smpi_bench_end

(

)

private_sleep()

static unsigned int private_sleep ( double  secs )

static

smpi_sleep()

unsigned int smpi_sleep

(

unsigned int

secs

)

smpi_usleep()

int smpi_usleep

(

useconds_t

usecs

)

smpi_gettimeofday()

int smpi_gettimeofday	(	struct timeval *	tv,
		void *	tz
	)

smpi_rastro_resolution()

unsigned long long smpi_rastro_resolution

(

)

smpi_rastro_timestamp()

unsigned long long smpi_rastro_timestamp

(

)

sample_location()

static char* sample_location ( int  global, const char *  file, int  line  )

static

sample_enough_benchs()

static int sample_enough_benchs ( local_data_t *  data )

static

smpi_sample_1()

void smpi_sample_1	(	int	global,
		const char *	file,
		int	line,
		int	iters,
		double	threshold
	)

smpi_sample_2()

int smpi_sample_2	(	int	global,
		const char *	file,
		int	line
	)

smpi_sample_3()

void smpi_sample_3	(	int	global,
		const char *	file,
		int	line
	)

smpi_shared_malloc()

void* smpi_shared_malloc	(	size_t	size,
		const char *	file,
		int	line
	)

smpi_shared_free()

void smpi_shared_free

(

void *

ptr

)

smpi_shared_known_call()

int smpi_shared_known_call	(	const char *	func,
		const char *	input
	)

smpi_shared_get_call()

void* smpi_shared_get_call	(	const char *	func,
		const char *	input
	)

smpi_shared_set_call()

void* smpi_shared_set_call	(	const char *	func,
		const char *	input,
		void *	data
	)

smpi_switch_data_segment()

void smpi_switch_data_segment

(

int

dest

)

Map a given SMPI privatization segment (make a SMPI process active)

smpi_really_switch_data_segment()

void smpi_really_switch_data_segment

(

int

dest

)

Map a given SMPI privatization segment (make a SMPI process active) even if SMPI thinks it is already active.

When doing a state restoration, the state of the restored variables might not be consistent with the state of the virtual memory. In this case, we to change the data segment.

smpi_is_privatisation_file()

int smpi_is_privatisation_file

(

char *

file

)

smpi_initialize_global_memory_segments()

void smpi_initialize_global_memory_segments

(

)

smpi_destroy_global_memory_segments()

void smpi_destroy_global_memory_segments

(

)

smpi_trace_get_call_location()

smpi_trace_call_location_t* smpi_trace_get_call_location

(

)

These functions will be called from the user code.

smpi_trace_set_call_location()

void smpi_trace_set_call_location	(	const char *	file,
		int	line
	)

Functions for call location tracing.

These functions will be called from the user's application! (With the FILE and LINE values passed as parameters.)

smpi_trace_set_call_location_()

void smpi_trace_set_call_location_	(	const char *	file,
		int *	line
	)

Required for Fortran bindings.

Fortran binding.

smpi_trace_set_call_location__()

void smpi_trace_set_call_location__	(	const char *	file,
		int *	line
	)

Required for Fortran if -fsecond-underscore is activated.

Fortran binding + -fsecond-underscore.

Variable Documentation

samples

xbt_dict_t samples = nullptr

calls

xbt_dict_t calls = nullptr

smpi_cpu_threshold

double smpi_cpu_threshold

smpi_host_speed

double smpi_host_speed

smpi_loaded_page

int smpi_loaded_page = -1

smpi_start_data_exe

char* smpi_start_data_exe = nullptr

smpi_size_data_exe

int smpi_size_data_exe = 0

smpi_privatize_global_variables

bool smpi_privatize_global_variables

smpi_total_benched_time

double smpi_total_benched_time = 0

smpi_privatisation_regions

smpi_privatisation_region_t smpi_privatisation_regions

sg_surf_precision

double sg_surf_precision