openmp/runtime/test/affinity/format/nested2.c

   1 // RUN: %libomp-compile && env OMP_DISPLAY_AFFINITY=true OMP_PLACES=threads OMP_PROC_BIND=spread,close KMP_HOT_TEAMS_MAX_LEVEL=2 %libomp-run | %python %S/check.py -c 'CHECK' %s
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <omp.h>
   6 #include "omp_testsuite.h"
   7
   8 // Currently, KMP_HOT_TEAMS_MAX_LEVEL has to be equal to the
   9 // nest depth for intuitive behavior
  10 int main(int argc, char** argv) {
  11   omp_set_affinity_format("TESTER: tl:%L tn:%n nt:%N");
  12   omp_set_nested(1);
  13   #pragma omp parallel num_threads(4)
  14   {
  15     go_parallel_nthreads(3);
  16     go_parallel_nthreads(3);
  17   }
  18   go_parallel_nthreads(4);
  19   return get_exit_value();
  20 }
  21
  22 // CHECK: num_threads=4 TESTER: tl:1 tn:[0-3] nt:4
  23 // CHECK: num_threads=3 TESTER: tl:2 tn:[0-2] nt:3
  24 // CHECK: num_threads=3 TESTER: tl:2 tn:[0-2] nt:3
  25 // CHECK: num_threads=3 TESTER: tl:2 tn:[0-2] nt:3
  26 // CHECK: num_threads=3 TESTER: tl:2 tn:[0-2] nt:3
  27 // CHECK: num_threads=4 TESTER: tl:1 tn:[0-3] nt:4