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script test, omp flag

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This commit is contained in:
Yann Damour 2021-11-19 22:39:59 +01:00
parent 62cb153126
commit 0a4aec9f5e
12 changed files with 408 additions and 241 deletions
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2
config/ifort.cfg
View File

@ -58,6 +58,6 @@ FCFLAGS : -xSSE2 -C -fpe0 -implicitnone
#################
#
[OPENMP]
FC : -qopenmp
FC : -qopenmp -w
IRPF90_FLAGS : --openmp

2
config/ifort_avx.cfg
View File

@ -58,6 +58,6 @@ FCFLAGS : -xSSE2 -C -fpe0 -implicitnone
#################
#
[OPENMP]
FC : -qopenmp
FC : -qopenmp -w
IRPF90_FLAGS : --openmp

2
config/ifort_mpi.cfg
View File

@ -59,6 +59,6 @@ FCFLAGS : -xSSE2 -C -fpe0 -implicitnone
#################
#
[OPENMP]
FC : -qopenmp
FC : -qopenmp -w
IRPF90_FLAGS : --openmp

2
config/ifort_rome.cfg
View File

@ -58,6 +58,6 @@ FCFLAGS : -xSSE2 -C -fpe0 -implicitnone
#################
#
[OPENMP]
FC : -qopenmp
FC : -qopenmp -w
IRPF90_FLAGS : --openmp

2
config/ifort_xHost.cfg
View File

@ -58,6 +58,6 @@ FCFLAGS : -xSSE2 -C -fpe0 -implicitnone
#################
#
[OPENMP]
FC : -qopenmp
FC : -qopenmp -w
IRPF90_FLAGS : --openmp

10
scripts/verif_omp/check_actual_setup.sh Executable file
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@ -0,0 +1,10 @@
#!/bin/sh
echo ""
echo "Please wait..."
echo ""
cd ../../src/fci
ninja || echo "Please recompile from the root"
echo ""
./check_omp_actual_setup
cd ../../scripts/verif_omp

175
scripts/verif_omp/check_omp_v2.f90 Normal file
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@ -0,0 +1,175 @@
program check_omp_v2
use omp_lib
implicit none
integer :: accu, accu2
integer :: s, n_setting
logical :: verbose, test_versions
logical, allocatable :: is_working(:)
verbose = .False.
test_versions = .True.
n_setting = 4
allocate(is_working(n_setting))
is_working = .False.
! set the number of threads
call omp_set_num_threads(2)
do s = 1, n_setting
accu = 0
accu2 = 0
call omp_set_max_active_levels(1)
call omp_set_nested(.False.)
if (s==1) then
!call set_multiple_levels_omp()
cycle
elseif (s==2) then
call omp_set_max_active_levels(5)
elseif (s==3) then
call omp_set_nested(.True.)
else
call omp_set_nested(.True.)
call omp_set_max_active_levels(5)
endif
! Level 1
!$OMP PARALLEL
if (verbose) then
print*,'Num threads level 1:',omp_get_num_threads()
endif
! Level 2
!$OMP PARALLEL
if (verbose) then
print*,'Num threads level 2:',omp_get_num_threads()
endif
! Level 3
!$OMP PARALLEL
if (verbose) then
print*,'Num threads level 3:',omp_get_num_threads()
endif
call check_omp_in_subroutine(accu2)
! Level 4
!$OMP PARALLEL
if (verbose) then
print*,'Num threads level 4:',omp_get_num_threads()
endif
!$OMP ATOMIC
accu = accu + 1
!$OMP END ATOMIC
!$OMP END PARALLEL
!$OMP END PARALLEL
!$OMP END PARALLEL
!$OMP END PARALLEL
if (verbose) then
print*,'Setting:',s,'accu=',accu
print*,'Setting:',s,'accu2=',accu2
endif
if (accu == 16 .and. accu2 == 16) then
is_working(s) = .True.
endif
enddo
if (verbose) then
if (is_working(2)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Please use the irpf90 flags -DSET_MAX_ACT in qp2/config/${compiler_name}.cfg'
elseif (is_working(3)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_nested(.True.)'
print*,''
print*,'Please use the irpf90 flag -DSET_NESTED in qp2/config/${compiler_name}.cfg'
elseif (is_working(4)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_nested(.True.)'
print*,'+'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Please use the irpf90 flags -DSET_NESTED -DSET_MAX_ACT in qp2/config/${compiler_name}.cfg'
else
print*,'The parallelization on multiple levels does not work with:'
print*,'call omp_set_max_active_levels(5)'
print*,'or'
print*,'call omp_set_nested(.True.)'
print*,'or'
print*,'call omp_set_nested(.True.)'
print*,'+'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Try an other compiler and good luck...'
endif
! if (is_working(1)) then
! print*,''
! print*,'=========================================================='
! print*,'Your actual set up works for parallelization with 4 levels'
! print*,'=========================================================='
! print*,''
! else
! print*,''
! print*,'==================================================================='
! print*,'Your actual set up does not work for parallelization with 4 levels'
! print*,'Please look at the previous messages to understand the requirements'
! print*,'==================================================================='
! print*,''
! endif
endif
! List of working flags
if (test_versions) then
print*,'Tests:',is_working(2:4)
endif
! IRPF90_FLAGS
if (is_working(2)) then
print*,'-DSET_MAX_ACT'
elseif (is_working(3)) then
print*,'-DSET_NESTED'
elseif (is_working(4)) then
print*,'-DSET_MAX_ACT -DSET_NESTED'
else
print*,'ERROR'
endif
end
subroutine check_omp_in_subroutine(accu2)
implicit none
integer, intent(inout) :: accu2
!$OMP PARALLEL
!$OMP ATOMIC
accu2 = accu2 + 1
!$OMP END ATOMIC
!$OMP END PARALLEL
end

19
scripts/verif_omp/check_required_setup.sh Executable file
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@ -0,0 +1,19 @@
#!/bin/sh
# take one argument which is the compiler used
# return the required IRPF90_FLAGS for the $1 compiler
if [ -z "$1" ]
then
echo "Give the compiler in argument"
else
$1 --version > /dev/null \
&& $1 -O0 -fopenmp check_omp_v2.f90 \
&& ./a.out | tail -n 1
# if there is an error or if the compiler is not found
$1 --version > /dev/null || echo 'compiler not found'
fi

24
scripts/verif_omp/study_omp.sh Executable file
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@ -0,0 +1,24 @@
#!/bin/sh
list_comp="ifort gfortran-7 gfortran-8 gfortran-9"
FILE=results.dat
touch $FILE
rm $FILE
echo "1: omp_set_max_active_levels(5)" >> $FILE
echo "2: omp_set_nested(.True.)" >> $FILE
echo "3: 1 + 2" >> $FILE
echo "" >> $FILE
echo "1 2 3" >> $FILE
for comp in $list_comp
do
$comp --version > /dev/null \
&& $comp -O0 -fopenmp check_omp_v2.f90 \
&& echo $(./a.out | grep "Tests:" | cut -d ":" -f2- ) $(echo " : ") $($comp --version | head -n 1) >> $FILE
done
cat $FILE

235
src/fci/check_omp.irp.f
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@ -1,235 +0,0 @@
program check_omp
use omp_lib
implicit none
integer :: i,j,k,l,m,n,x,z,setting,nb_setting
double precision :: w1,w2,c1,c2
double precision, allocatable :: accu(:,:,:,:)
logical :: must_exit, verbose, is_working
logical, allocatable :: is_working_n(:)
x = 4
nb_setting = 4
allocate(accu(x,x,x,x))
allocate(is_working_n(nb_setting))
verbose = .True.
accu = 0d0
must_exit = .False.
!$OMP PARALLEL
if (OMP_GET_NUM_THREADS() == 1) then
print*,''
print*,'1 thread, no parallelization possible'
print*,''
must_exit=.True.
endif
!$OMP END PARALLEL
if (must_exit) then
call abort
endif
! reset the number of max active levels
!call omp_set_max_active_levels(1)
!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()
! set the number of threads
call omp_set_num_threads(2)
is_working_n = .True.
do z = 1, nb_setting
call omp_set_max_active_levels(1)
call omp_set_nested(.False.)
if (z==1) then
call test_set_multiple_levels_omp()
!call test_set_multiple_levels_omp
elseif (z==2) then
call omp_set_max_active_levels(5)
elseif (z==3) then
call omp_set_nested(.True.)
else
call omp_set_nested(.True.)
call omp_set_max_active_levels(5)
endif
setting = z-1
!$OMP PARALLEL &
!$OMP PRIVATE(i,j,k,l,m,n) &
!$OMP SHARED(accu)
if (verbose) then
print*,'Setting:',setting,'Nb threads level 1:', omp_get_num_threads()
endif
!$OMP MASTER
if (omp_get_num_threads()==1) then
print*,'Setting',setting,"error at level 1"
is_working_n(z) = .False.
endif
!$OMP END MASTER
! !$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)
if (verbose) then
print*,'Setting:',setting,'Nb threads level 2:', omp_get_num_threads()
endif
!$OMP MASTER
if (omp_get_num_threads()==1 .and. is_working_n(z)) then
print*,'Setting',setting,"error at level 2"
is_working_n(z) = .False.
endif
!$OMP END MASTER
! !$OMP DO
! do l = 1, x
! do k = 1, x
! do j = 1, x
! do i = 1, x
! accu(i,j,k,l) = accu(i,j,k,l)+ 1d0
! enddo
! enddo
! enddo
! enddo
! !$OMP END DO
!$OMP PARALLEL &
!$OMP PRIVATE(i,j,k,l,m,n) &
!$OMP SHARED(accu)
if (verbose) then
print*,'Setting:',setting,'Nb threads level 3:', omp_get_num_threads()
endif
!$OMP MASTER
if (omp_get_num_threads()==1 .and. is_working_n(z)) then
print*,'Setting',setting,"error at level 3"
is_working_n(z) = .False.
endif
!$OMP END MASTER
! !$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)
if (verbose) then
print*,'Setting:',setting,'Nb threads level 4:', omp_get_num_threads()
endif
!$OMP MASTER
if (omp_get_num_threads()==1 .and. is_working_n(z)) then
print*,'Setting',setting,"error at level 4"
is_working_n(z) = .False.
endif
!$OMP END MASTER
! !$OMP DO
! do l = 1, x
! do k = 1, x
! do j = 1, x
! do i = 1, x
! accu(i,j,k,l) = accu(i,j,k,l)+ 1d0
! enddo
! enddo
! enddo
! enddo
! !$OMP END DO
!$OMP END PARALLEL
!$OMP END PARALLEL
!$OMP END PARALLEL
!$OMP END PARALLEL
enddo
print*,''
if (is_working_n(2)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Please use the irpf90 flags -DSET_MAX_ACT in qp2/config/${compiler_name}.cfg'
elseif (is_working_n(3)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_nested(.True.)'
print*,''
print*,'Please use the irpf90 flag -DSET_NESTED in qp2/config/${compiler_name}.cfg'
elseif (is_working_n(4)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_nested(.True.)'
print*,'+'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Please use the irpf90 flags -DSET_NESTED -DSET_MAX_ACT in qp2/config/${compiler_name}.cfg'
else
print*,'The parallelization on multiple levels does not work with:'
print*,'call omp_set_max_active_levels(5)'
print*,'or'
print*,'call omp_set_nested(.True.)'
print*,'or'
print*,'call omp_set_nested(.True.)'
print*,'+'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Try an other compiler and good luck...'
endif
if (is_working_n(1)) then
print*,''
print*,'=========================================================='
print*,'Your actual set up works for parallelization with 4 levels'
print*,'=========================================================='
print*,''
else
print*,''
print*,'==================================================================='
print*,'Your actual set up works for parallelization with 4 levels'
print*,'Please look at the previous messages to understand the requirements'
print*,'If it does not work even with the right irpf90 flags, clean and'
print*,'recompile your code at ${QP_ROOT}'
print*,'==================================================================='
print*,''
endif
end

174
src/fci/check_omp_actual_setup.irp.f Normal file
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@ -0,0 +1,174 @@
program check_omp_actual_setup
use omp_lib
implicit none
integer :: accu, accu2
integer :: s, n_setting
logical :: verbose, test_versions
logical, allocatable :: is_working(:)
verbose = .True.
test_versions = .False.
n_setting = 4
allocate(is_working(n_setting))
is_working = .False.
! set the number of threads
call omp_set_num_threads(2)
do s = 1, n_setting
accu = 0
accu2 = 0
call omp_set_max_active_levels(1)
call omp_set_nested(.False.)
if (s==1) then
call set_multiple_levels_omp()
elseif (s==2) then
call omp_set_max_active_levels(5)
elseif (s==3) then
call omp_set_nested(.True.)
else
call omp_set_nested(.True.)
call omp_set_max_active_levels(5)
endif
! Level 1
!$OMP PARALLEL
if (verbose) then
print*,'Num threads level 1:',omp_get_num_threads()
endif
! Level 2
!$OMP PARALLEL
if (verbose) then
print*,'Num threads level 2:',omp_get_num_threads()
endif
! Level 3
!$OMP PARALLEL
if (verbose) then
print*,'Num threads level 3:',omp_get_num_threads()
endif
call check_omp_in_subroutine(accu2)
! Level 4
!$OMP PARALLEL
if (verbose) then
print*,'Num threads level 4:',omp_get_num_threads()
endif
!$OMP ATOMIC
accu = accu + 1
!$OMP END ATOMIC
!$OMP END PARALLEL
!$OMP END PARALLEL
!$OMP END PARALLEL
!$OMP END PARALLEL
if (verbose) then
print*,'Setting:',s,'accu=',accu
print*,'Setting:',s,'accu2=',accu2
endif
if (accu == 16 .and. accu2 == 16) then
is_working(s) = .True.
endif
enddo
if (verbose) then
if (is_working(2)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Please use the irpf90 flags -DSET_MAX_ACT in qp2/config/${compiler_name}.cfg'
elseif (is_working(3)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_nested(.True.)'
print*,''
print*,'Please use the irpf90 flag -DSET_NESTED in qp2/config/${compiler_name}.cfg'
elseif (is_working(4)) then
print*,'The parallelization works on 4 levels with:'
print*,'call omp_set_nested(.True.)'
print*,'+'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Please use the irpf90 flags -DSET_NESTED -DSET_MAX_ACT in qp2/config/${compiler_name}.cfg'
else
print*,'The parallelization on multiple levels does not work with:'
print*,'call omp_set_max_active_levels(5)'
print*,'or'
print*,'call omp_set_nested(.True.)'
print*,'or'
print*,'call omp_set_nested(.True.)'
print*,'+'
print*,'call omp_set_max_active_levels(5)'
print*,''
print*,'Try an other compiler and good luck...'
endif
if (is_working(1)) then
print*,''
print*,'=========================================================='
print*,'Your actual set up works for parallelization with 4 levels'
print*,'=========================================================='
print*,''
else
print*,''
print*,'==================================================================='
print*,'Your actual set up does not work for parallelization with 4 levels'
print*,'Please look at the previous messages to understand the requirements'
print*,'==================================================================='
print*,''
endif
endif
! List of working flags
if (test_versions) then
print*,is_working(2:4)
endif
! IRPF90_FLAGS
if (is_working(2)) then
print*,'-DSET_MAX_ACT'
elseif (is_working(3)) then
print*,'-DSET_NESTED'
elseif (is_working(4)) then
print*,'-DSET_MAX_ACT -DSET_NESTED'
else
print*,'ERROR'
endif
end
subroutine check_omp_in_subroutine(accu2)
implicit none
integer, intent(inout) :: accu2
!$OMP PARALLEL
!$OMP ATOMIC
accu2 = accu2 + 1
!$OMP END ATOMIC
!$OMP END PARALLEL
end

2
src/utils/test_set_multiple_levels_omp.irp.f → src/utils/set_multiple_levels_omp.irp.f
View File

@ -1,4 +1,4 @@
subroutine test_set_multiple_levels_omp()
subroutine set_multiple_levels_omp()
! Doc : idk