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TEST, file has to be removed after

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Yann Damour 2021-11-18 14:55:17 +01:00
parent d521bfaa6f
commit 243315ae7c
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src/fci/test_intel_check_omp.irp.f Normal file
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program test_intel_check_omp
use omp_lib
implicit none
integer :: i,j,k,l,m,n,x
double precision :: w1,w2,c1,c2
double precision, allocatable :: accu(:,:,:,:)
x = 4
allocate(accu(x,x,x,x))
accu = 0d0
!$OMP PARALLEL
print*, 'Hello1 from:', OMP_GET_THREAD_NUM()
!$OMP END PARALLEL
print*,'omp_get_max_active_levels:',omp_get_max_active_levels()
call intel_check_omp()
print*,'omp_get_max_active_levels:',omp_get_max_active_levels()
!call omp_set_max_active_levels(20000)
!$OMP PARALLEL
print*, 'Hello2 from:', OMP_GET_THREAD_NUM()
!$OMP END PARALLEL
call wall_time(w1)
call cpu_time(c1)
!$OMP PARALLEL &
!$OMP PRIVATE(i,j,k,l,m,n) &
!$OMP SHARED(accu)
print*,'level 1',omp_get_num_threads()
!$OMP DO
do l = 1, x
do k = 1, x
do j = 1, x
do i = 1, x
accu(i,j,k,l) = accu(i,j,k,l) + 1d0
enddo
enddo
enddo
enddo
!$OMP END DO
!$OMP PARALLEL &
!$OMP PRIVATE(i,j,k,l,m,n) &
!$OMP SHARED(accu)
print*,'level 2',omp_get_num_threads()
!$OMP DO
do l = 1, x
do k = 1, x
do j = 1, x
do i = 1, x
accu(i,j,k,l) = accu(i,j,k,l)+ 1d0
enddo
enddo
enddo
enddo
!$OMP END DO
!$OMP PARALLEL &
!$OMP PRIVATE(i,j,k,l,m,n) &
!$OMP SHARED(accu)
print*,'level 3',omp_get_num_threads()
!$OMP DO
do l = 1, x
do k = 1, x
do j = 1, x
do i = 1, x
accu(i,j,k,l) = accu(i,j,k,l)+ 1d0
enddo
enddo
enddo
enddo
!$OMP END DO
!$OMP PARALLEL &
!$OMP PRIVATE(i,j,k,l,m,n) &
!$OMP SHARED(accu)
print*,'level 4',omp_get_num_threads()
!$OMP DO
do l = 1, x
do k = 1, x
do j = 1, x
do i = 1, x
accu(i,j,k,l) = accu(i,j,k,l)+ 1d0
enddo
enddo
enddo
enddo
!$OMP END DO
!$OMP END PARALLEL
!$OMP END PARALLEL
!$OMP END PARALLEL
!$OMP END PARALLEL
call wall_time(w2)
call cpu_time(c2)
print*,accu(1,1,1,1)
print*,'wall time:', w2-w1
print*,'cpu time:', c2-c1
print*,'ration',(c2-c1)/(w2-w1)
end