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Disable thread binding #730

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Merged
abouteiller merged 1 commit into from
Mar 14, 2025
+5 −4
Merged

Disable thread binding #730

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9 changes: 5 additions & 4 deletions parsec/parsec.c
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Original file line number Diff line number Diff line change
Expand Up @@ -149,8 +149,8 @@ static char *parsec_dot_file = NULL;
static char *parsec_app_name = NULL;

static int parsec_runtime_max_number_of_cores = -1;
static int parsec_runtime_bind_main_thread = 1;
static int parsec_runtime_bind_threads = 1;
static int parsec_runtime_bind_main_thread = 0;
static int parsec_runtime_bind_threads = 0;

int parsec_runtime_keep_highest_priority_task = 1;

Expand Down Expand Up @@ -521,10 +521,11 @@ parsec_context_t* parsec_init( int nb_cores, int* pargc, char** pargv[] )
false, false, vpmap_parameter, &vpmap_parameter);

/* thread binding */
parsec_mca_param_reg_int_name("bind", "main_thread", "Force the binding of the thread calling parsec_init",
false, false, parsec_runtime_bind_main_thread, &parsec_runtime_bind_main_thread);
parsec_mca_param_reg_int_name("bind", "threads", "Bind main and worker threads", false, false,
parsec_runtime_bind_threads, &parsec_runtime_bind_threads);
parsec_runtime_bind_main_thread = parsec_runtime_bind_threads;
parsec_mca_param_reg_int_name("bind", "main_thread", "Force the binding of the thread calling parsec_init",
false, false, parsec_runtime_bind_main_thread, &parsec_runtime_bind_main_thread);
parsec_mca_param_reg_int_name("bind", "comm", "Bind the communication thread to physical core <int>."
"-1: do not bind."
"Warning: binding relies on HWLOC, be careful when using with cgroups",
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