taskloop.c

Go to the documentation of this file.

// clang-format off
// RUN: %libomp-compile-and-run | FileCheck %s
// RUN: %libomp-compile-and-run | FileCheck --check-prefix=TASKS %s
// REQUIRES: ompt
 
// These compilers don't support the taskloop construct
// UNSUPPORTED: gcc-4, gcc-5, icc-16
// GCC 6 has support for taskloops, but at least 6.3.0 is crashing on this test
// UNSUPPORTED: gcc-6
// clang-format on
 
#include "callback.h"
#include <omp.h>
 
int main() {
  unsigned int i, x;
 
#pragma omp parallel num_threads(2)
  {
#pragma omp barrier
 
#pragma omp master
#pragma omp taskloop
    for (i = 0; i < 5; i += 3) {
      x++;
    }
  }
  // clang-format off
  // CHECK: 0: NULL_POINTER=[[NULL:.*$]]
 
  // CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_parallel_begin:
  // CHECK-SAME: parent_task_id={{[0-f]+}}
  // CHECK-SAME: parallel_id=[[PARALLEL_ID:[0-f]+]]
  // CHECK-SAME: requested_team_size=2
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_begin:
  // CHECK-SAME: parallel_id=[[PARALLEL_ID]]
  // CHECK-SAME: task_id=[[IMPLICIT_TASK_ID1:[0-9]+]]
  // CHECK-SAME: team_size=2, thread_num=0
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_taskgroup_begin:
  // CHECK-SAME: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID1]]
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_taskloop_begin:
  // CHECK-SAME: parallel_id=[[PARALLEL_ID]]
  // CHECK-SAME: task_id=[[IMPLICIT_TASK_ID1]]
  // CHECK-SAME: codeptr_ra=[[RETURN_ADDRESS:(0x)?[0-f]+]], count=2
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_task_create:
  // CHECK-SAME: parent_task_id=[[IMPLICIT_TASK_ID1]]
  // CHECK-SAME: new_task_id=[[TASK_ID1:[0-9]+]]
  // CHECK-SAME: codeptr_ra=[[RETURN_ADDRESS]]
  // CHECK-SAME: task_type=ompt_task_explicit=4
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_task_create:
  // CHECK-SAME: parent_task_id=[[IMPLICIT_TASK_ID1]]
  // CHECK-SAME: new_task_id=[[TASK_ID2:[0-9]+]]
  // CHECK-SAME: codeptr_ra=[[RETURN_ADDRESS]]
  // CHECK-SAME: task_type=ompt_task_explicit=4
  // CHECK-NOT: {{^}}[[MASTER_ID]]: ompt_event_task_create:
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_taskloop_end:
  // CHECK-SAME: parallel_id=[[PARALLEL_ID]]
  // CHECK-SAME: task_id=[[IMPLICIT_TASK_ID1]]
  // CHECK-SAME: count=2
  // CHECK-DAG: {{^}}[[MASTER_ID]]: ompt_event_wait_taskgroup_begin:
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_wait_taskgroup_end:
  // CHECK-SAME: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID1]]
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_taskgroup_end:
  // CHECK-SAME: parallel_id=[[PARALLEL_ID]], task_id=[[IMPLICIT_TASK_ID1]]
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_implicit_task_end: parallel_id=0
  // CHECK-SAME: task_id=[[IMPLICIT_TASK_ID1]], team_size=2, thread_num=0
  // CHECK: {{^}}[[MASTER_ID]]: ompt_event_parallel_end:
  // CHECK-SAME: parallel_id=[[PARALLEL_ID]]
 
  // TASKS: ompt_event_initial_task_begin:{{.*}} task_id={{[0-f]+}}
  // TASKS: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_taskloop_begin:
  // TASKS: ompt_event_task_create:{{.*}} new_task_id=[[TASK_ID1:[0-9]+]]
  // TASKS-SAME: task_type=ompt_task_explicit
  // TASKS-DAG: ompt_event_task_create:{{.*}} new_task_id=[[TASK_ID2:[0-9]+]]
  // Schedule events:
  // TASKS-DAG: {{^.*}}first_task_id={{[0-f]+}}, second_task_id=[[TASK_ID1]]
  // TASKS-DAG: {{^.*}}first_task_id=[[TASK_ID1]], second_task_id={{[0-f]+}}
  // TASKS-DAG: {{^.*}}first_task_id={{[0-f]+}}, second_task_id=[[TASK_ID2]]
  // TASKS-DAG: {{^.*}}first_task_id=[[TASK_ID2]], second_task_id={{[0-f]+}}
  // TASKS-NOT: ompt_event_task_schedule
  // clang-format on
 
  return 0;
}