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Genius amazing parallelism

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This commit is contained in:
Anthony Scemama 2017-12-12 16:56:14 +01:00
parent a6ed2457b4
commit 2ede44f483
1 changed files with 12 additions and 3 deletions
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15
src/FourIdx/four_index_slave.irp.f
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@ -69,7 +69,7 @@ subroutine four_index_transform_slave_work(map_a,matrix_B,LDB, &
integer :: npass, l_block
tempspace = (new_size * 16_8) / (1024_8 * 1024_8)
npass = int(min(int(l_end-l_start,8),1_8 + tempspace / 1024_8),4) ! 1 GiB of scratch space
npass = int(min(1_8+int(l_end-l_start,8),1_8 + tempspace / 1024_8),4) ! 1 GiB of scratch space
l_block = (l_end-l_start+1)/npass
allocate(a_array_ik(new_size/npass), a_array_j(new_size/npass), a_array_value(new_size/npass))
@ -133,12 +133,15 @@ subroutine four_index_transform_slave_work(map_a,matrix_B,LDB, &
!open(unit=10,file='OUTPUT',form='FORMATTED')
! END INPUT DATA
PROVIDE nproc
integer :: n_running_threads
n_running_threads = 0
call omp_set_nested(.true.)
!$OMP PARALLEL DEFAULT(NONE) SHARED(a_array_ik,a_array_j,a_array_value, &
!$OMP a_start,a_end,b_start,b_end,c_start,c_end,d_start,d_end,&
!$OMP i_start,i_end,j_start,j_end,k_start,k_end,l_start,l_end,&
!$OMP i_min,i_max,j_min,j_max,k_min,k_max,l_min,l_max, &
!$OMP matrix_B,l_pointer,thread,task_id) &
!$OMP matrix_B,l_pointer,thread,task_id,n_running_threads,nproc) &
!$OMP PRIVATE(key,value,T,U,V,i,j,k,l,idx,ik,ll, &
!$OMP a,b,c,d,p,q,tmp,T2d,V2d,ii,zmq_socket_push)
@ -150,6 +153,8 @@ subroutine four_index_transform_slave_work(map_a,matrix_B,LDB, &
allocate( U(a_start:a_end, c_start:c_end, b_start:b_end) )
!$OMP ATOMIC
n_running_threads = n_running_threads+1
!$OMP DO SCHEDULE(dynamic,1)
do d=d_start,d_end
@ -183,7 +188,7 @@ subroutine four_index_transform_slave_work(map_a,matrix_B,LDB, &
!$OMP PARALLEL DEFAULT(NONE) SHARED(a_array_ik,a_array_j,a_array_value, &
!$OMP a_start,b_start,b_end,c_start,c_end,i_start,k_start,k_end, &
!$OMP matrix_B,U,l,d,V2d,i_end,a_end) &
!$OMP PRIVATE(T,V,i,k,ik)
!$OMP PRIVATE(T,V,i,k,ik) NUM_THREADS(nproc-n_running_threads+1)
allocate( V(i_start:i_end, k_start:k_end), T(k_start:k_end, a_start:a_end))
!$OMP DO SCHEDULE(static,1)
do b=b_start,d
@ -266,6 +271,10 @@ subroutine four_index_transform_slave_work(map_a,matrix_B,LDB, &
enddo
!$OMP END DO
deallocate(U)
!$OMP ATOMIC
n_running_threads = n_running_threads-1
!$OMP BARRIER
!$OMP MASTER
call four_idx_push_results(zmq_socket_push, 0_8, 0.d0, 0, task_id)