dynamic_enough_threads.c

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// clang-format off
// RUN: %libomp-compile-and-run | FileCheck %s
// REQUIRES: ompt
// clang-format on
#include "callback.h"
 
int main() {
  omp_set_dynamic(1);
 
#pragma omp parallel num_threads(4)
  {
    print_ids(0);
    print_ids(1);
  }
  print_fuzzy_address(1);
 
  // clang-format off
  // Check if libomp supports the callbacks for this test.
  // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_thread_begin'
  // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_thread_end'
  // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_parallel_begin'
  // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_parallel_end'
  // CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_implicit_task'
 
  //team-size of 1-4 is expected
 
  // CHECK: 0: NULL_POINTER=[[NULL:.*$]]
 
  // make sure initial data pointers are null
  // CHECK-NOT: 0: parallel_data initially not null
  // CHECK-NOT: 0: task_data initially not null
  // CHECK-NOT: 0: thread_data initially not null
 
  // CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_parallel_begin: parent_task_id=[[PARENT_TASK_ID:[0-f]+]], parent_task_frame.exit=[[NULL]], parent_task_frame.reenter={{(0x)?[0-f]+}}, parallel_id=[[PARALLEL_ID:[0-f]+]], requested_team_size=4, codeptr_ra=[[RETURN_ADDRESS:(0x)?[0-f]+]]{{[0-f][0-f]}}, invoker=[[PARALLEL_INVOKER:[0-9]+]]
 
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_begin: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID:[0-f]+]], team_size={{[1-4]}}
  // CHECK: {{^}}[[MASTER_ID]]: task level 0: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID]]
  // CHECK: {{^}}[[MASTER_ID]]: task level 1: parallel_id=[[IMPLICIT_PARALLEL_ID:[0-f]+]], task_id=[[PARENT_TASK_ID]]
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_end: parallel_id={{[0-f]+}}, task_id=[[IMPLICIT_TASK_ID]]
 
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_parallel_end: parallel_id=[[PARALLEL_ID]], task_id=[[PARENT_TASK_ID]], invoker=[[PARALLEL_INVOKER]]
  // CHECK: {{^}}[[MASTER_ID]]: fuzzy_address={{.*}}[[RETURN_ADDRESS]]
  // clang-format on
 
  return 0;
}