mirror of
https://github.com/OpenMP/Examples.git
synced 2025-04-04 05:41:33 +01:00
40 lines
878 B
C
40 lines
878 B
C
/*
|
|
* @@name: affinity_query.1c
|
|
* @@type: C
|
|
* @@compilable: yes
|
|
* @@linkable: no
|
|
* @@expect: success
|
|
*/
|
|
#include <stdio.h>
|
|
#include <omp.h>
|
|
|
|
void socket_init(int socket_num)
|
|
{
|
|
int n_procs;
|
|
|
|
n_procs = omp_get_place_num_procs(socket_num);
|
|
#pragma omp parallel num_threads(n_procs) proc_bind(close)
|
|
{
|
|
printf("Reporting in from socket num, thread num: %d %d\n",
|
|
socket_num,omp_get_thread_num() );
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int n_sockets, socket_num;
|
|
|
|
omp_set_nested(1); // or export OMP_NESTED=true
|
|
omp_set_max_active_levels(2); // or export OMP_MAX_ACTIVE_LEVELS=2
|
|
|
|
n_sockets = omp_get_num_places();
|
|
#pragma omp parallel num_threads(n_sockets) private(socket_num) \
|
|
proc_bind(spread)
|
|
{
|
|
socket_num = omp_get_place_num();
|
|
socket_init(socket_num);
|
|
}
|
|
|
|
return 0;
|
|
}
|