llvm-project/openmp/testsuite/fortran/omp_task_untied.f

64 lines
1.9 KiB
Fortran

<ompts:test>
<ompts:testdescription>Test for untied clause. First generate a set of tasks and pause it immediately. Then we resume half of them and check whether they are scheduled by different threads</ompts:testdescription>
<ompts:ompversion>3.0</ompts:ompversion>
<ompts:directive>omp task untied</ompts:directive>
<ompts:dependences>omp taskwait</ompts:dependences>
<ompts:testcode>
INCLUDE "omp_my_sleep.f"
INTEGER FUNCTION <ompts:testcode:functionname>omp_task_untied</ompts:testcode:functionname>()
IMPLICIT NONE
INCLUDE "omp_testsuite.f"
<ompts:orphan:vars>
EXTERNAL my_sleep
INTEGER omp_get_num_threads, omp_get_thread_num
INTEGER myj
INTEGER i,j
INTEGER cnt
INTEGER start_tid(NUM_TASKS)
INTEGER current_tid(NUM_TASKS)
COMMON /orphvars/ j, cnt, start_tid, current_tid
</ompts:orphan:vars>
cnt = 0
do i = 1, NUM_TASKS
start_tid(i) = 0
current_tid(i) = 0
end do
!$omp parallel private(myj) shared(j)
!$omp single
do i=1, NUM_TASKS
j = i
<ompts:orphan>
myj = j
!$omp task <ompts:check>untied</ompts:check>
call my_sleep(SLEEPTIME)
start_tid(myj) = omp_get_thread_num()
!$omp taskwait
<ompts:check>if (MOD(start_tid(myj),2) .ne. 0) then</ompts:check>
call my_sleep(SLEEPTIME)
current_tid(myj) = omp_get_thread_num()
<ompts:check>
else
current_tid(myj) = omp_get_thread_num()
end if</ompts:check>
!$omp end task
</ompts:orphan>
end do
!$omp end single
!$omp end parallel
<testfunctionname></testfunctionname> = 0
! check if at least one untied task switched threads
do i=1, NUM_TASKS
if (current_tid(i) .ne. start_tid(i)) then
<testfunctionname></testfunctionname> = 1
end if
end do
END FUNCTION
</ompts:testcode>
</ompts:test>