19#ifndef __PERFMODEL_H__
20#define __PERFMODEL_H__
24#include <common/config.h>
29#pragma GCC visibility push(hidden)
36void _starpu_init_perfmodel(
void);
47#define _STARPU_PERFMODEL_VERSION 45
48#define PATH_LENGTH 256
49#define STR_SHORT_LENGTH 32
50#define STR_LONG_LENGTH 256
51#define STR_VERY_LONG_LENGTH 1024
55 struct starpu_perfmodel_per_arch** per_arch;
56 int** per_arch_is_set;
58 starpu_pthread_rwlock_t model_rwlock;
68struct starpu_data_descr;
70struct starpu_perfmodel_arch;
72extern unsigned _starpu_calibration_minimum;
74void _starpu_find_perf_model_codelet(
const char *symbol,
const char *hostname,
char *path,
size_t maxlen);
75void _starpu_find_perf_model_codelet_debug(
const char *symbol,
const char *hostname,
const char *arch,
char *path,
size_t maxlen);
76void _starpu_set_default_perf_model_codelet(
const char *symbol,
const char *hostname,
char *path,
size_t maxlen);
78char *_starpu_get_perf_model_dir_default();
79char **_starpu_get_perf_model_dirs_codelet() STARPU_ATTRIBUTE_VISIBILITY_DEFAULT;
80char *_starpu_get_perf_model_dir_bus();
82double _starpu_history_based_job_expected_perf(
struct starpu_perfmodel *model,
struct starpu_perfmodel_arch* arch,
struct _starpu_job *j,
unsigned nimpl);
83double _starpu_history_based_job_expected_deviation(
struct starpu_perfmodel *model,
struct starpu_perfmodel_arch* arch,
struct _starpu_job *j,
unsigned nimpl);
84void _starpu_load_history_based_model(
struct starpu_perfmodel *model,
unsigned scan_history);
85void _starpu_init_and_load_perfmodel(
struct starpu_perfmodel *model);
86void _starpu_initialize_registered_performance_models(
void);
87void _starpu_deinitialize_registered_performance_models(
void);
88void _starpu_deinitialize_performance_model(
struct starpu_perfmodel *model);
90double _starpu_regression_based_job_expected_perf(
struct starpu_perfmodel *model,
struct starpu_perfmodel_arch* arch,
struct _starpu_job *j,
unsigned nimpl);
91double _starpu_non_linear_regression_based_job_expected_perf(
struct starpu_perfmodel *model,
struct starpu_perfmodel_arch* arch,
struct _starpu_job *j,
unsigned nimpl);
92double _starpu_multiple_regression_based_job_expected_perf(
struct starpu_perfmodel *model,
struct starpu_perfmodel_arch* arch,
struct _starpu_job *j,
unsigned nimpl);
93void _starpu_update_perfmodel_history(
struct _starpu_job *j,
struct starpu_perfmodel *model,
struct starpu_perfmodel_arch * arch,
unsigned cpuid,
double measured,
unsigned nimpl,
unsigned number);
94int _starpu_perfmodel_create_comb_if_needed(
struct starpu_perfmodel_arch* arch);
96int _starpu_create_bus_sampling_directory_if_needed(
int location);
97void _starpu_create_codelet_sampling_directory_if_needed(
int location);
99void _starpu_load_bus_performance_files(
void);
101void _starpu_init_bus_performance(
void);
103int _starpu_get_perf_model_bus();
104int _starpu_set_default_perf_model_bus();
106void _starpu_set_calibrate_flag(
unsigned val);
107unsigned _starpu_get_calibrate_flag(
void);
109#if defined(STARPU_USE_CUDA)
110unsigned *_starpu_get_cuda_affinity_vector(
unsigned gpuid);
112#if defined(STARPU_USE_OPENCL)
113unsigned *_starpu_get_opencl_affinity_vector(
unsigned gpuid);
116void _starpu_save_bandwidth_and_latency_disk(
double bandwidth_write,
double bandwidth_read,
double latency_write,
double latency_read,
unsigned node,
const char *name);
118void _starpu_write_double(FILE *f,
const char *format,
double val) STARPU_ATTRIBUTE_VISIBILITY_DEFAULT;
119int _starpu_read_double(FILE *f,
char *format,
double *val) STARPU_ATTRIBUTE_VISIBILITY_DEFAULT;
120void _starpu_simgrid_get_platform_path(
int version,
char *path,
size_t maxlen);
122void _starpu_perfmodel_realloc(
struct starpu_perfmodel *model,
int nb);
124void _starpu_free_arch_combs(
void);
126#if defined(STARPU_HAVE_HWLOC)
127hwloc_topology_t _starpu_perfmodel_get_hwtopology();
134#pragma GCC visibility pop
#define struct
Definition list.h:175
int ncombs_set
Definition perfmodel.h:64
int ncombs
Definition perfmodel.h:62
Definition perfmodel.h:54