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quantum_package/plugins/Full_CI_ZMQ/run_pt2_slave.irp.f

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subroutine run_pt2_slave(thread,iproc,energy)
use f77_zmq
use selection_types
implicit none
double precision, intent(in) :: energy(N_states_diag)
integer, intent(in) :: thread, iproc
integer :: rc, i
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integer :: worker_id, ctask, ltask
character*(512), allocatable :: task(:)
integer, allocatable :: task_id(:)
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integer(ZMQ_PTR),external :: new_zmq_to_qp_run_socket
integer(ZMQ_PTR) :: zmq_to_qp_run_socket
integer(ZMQ_PTR), external :: new_zmq_push_socket
integer(ZMQ_PTR) :: zmq_socket_push
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type(selection_buffer) :: buf
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logical :: done
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double precision,allocatable :: pt2(:,:)
integer :: n_tasks, k, n_tasks_max
integer, allocatable :: i_generator(:), subset(:)
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n_tasks_max = N_det_generators/100+1
allocate(task_id(n_tasks_max), task(n_tasks_max))
allocate(pt2(N_states,n_tasks_max), i_generator(n_tasks_max), subset(n_tasks_max))
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zmq_to_qp_run_socket = new_zmq_to_qp_run_socket()
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integer, external :: connect_to_taskserver
if (connect_to_taskserver(zmq_to_qp_run_socket,worker_id,thread) == -1) then
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call end_zmq_to_qp_run_socket(zmq_to_qp_run_socket)
return
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endif
zmq_socket_push = new_zmq_push_socket(thread)
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buf%N = 0
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n_tasks = 0
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call create_selection_buffer(1, 2, buf)
done = .False.
do while (.not.done)
n_tasks = min(n_tasks+1,n_tasks_max)
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integer, external :: get_tasks_from_taskserver
if (get_tasks_from_taskserver(zmq_to_qp_run_socket,worker_id, task_id, task, n_tasks) == -1) then
exit
endif
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done = task_id(n_tasks) == 0
if (done) n_tasks = n_tasks-1
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if (n_tasks == 0) exit
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do k=1,n_tasks
read (task(k),*) subset(k), i_generator(k)
enddo
do k=1,n_tasks
pt2(:,k) = 0.d0
buf%cur = 0
call select_connected(i_generator(k),energy,pt2(1,k),buf,subset(k))
enddo
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integer, external :: tasks_done_to_taskserver
if (tasks_done_to_taskserver(zmq_to_qp_run_socket,worker_id,task_id,n_tasks) == -1) then
done = .true.
endif
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call push_pt2_results(zmq_socket_push, i_generator, pt2, task_id, n_tasks)
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end do
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integer, external :: disconnect_from_taskserver
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if (disconnect_from_taskserver(zmq_to_qp_run_socket,worker_id) == -1) then
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continue
endif
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call end_zmq_to_qp_run_socket(zmq_to_qp_run_socket)
call end_zmq_push_socket(zmq_socket_push,thread)
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call delete_selection_buffer(buf)
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end subroutine
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subroutine push_pt2_results(zmq_socket_push, index, pt2, task_id, n_tasks)
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use f77_zmq
use selection_types
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_push
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double precision, intent(in) :: pt2(N_states,n_tasks)
integer, intent(in) :: n_tasks, index(n_tasks), task_id(n_tasks)
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integer :: rc
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rc = f77_zmq_send( zmq_socket_push, n_tasks, 4, ZMQ_SNDMORE)
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if (rc == -1) then
return
endif
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if(rc /= 4) stop 'push'
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rc = f77_zmq_send( zmq_socket_push, index, 4*n_tasks, ZMQ_SNDMORE)
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if (rc == -1) then
return
endif
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if(rc /= 4*n_tasks) stop 'push'
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rc = f77_zmq_send( zmq_socket_push, pt2, 8*N_states*n_tasks, ZMQ_SNDMORE)
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if (rc == -1) then
return
endif
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if(rc /= 8*N_states*n_tasks) stop 'push'
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rc = f77_zmq_send( zmq_socket_push, task_id, n_tasks*4, 0)
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if (rc == -1) then
return
endif
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if(rc /= 4*n_tasks) stop 'push'
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! Activate is zmq_socket_push is a REQ
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IRP_IF ZMQ_PUSH
IRP_ELSE
character*(2) :: ok
rc = f77_zmq_recv( zmq_socket_push, ok, 2, 0)
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if (rc == -1) then
return
endif
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if ((rc /= 2).and.(ok(1:2) /= 'ok')) then
print *, irp_here//': error in receiving ok'
stop -1
endif
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IRP_ENDIF
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end subroutine
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subroutine pull_pt2_results(zmq_socket_pull, index, pt2, task_id, n_tasks)
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use f77_zmq
use selection_types
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_pull
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double precision, intent(inout) :: pt2(N_states,*)
integer, intent(out) :: index(*)
integer, intent(out) :: n_tasks, task_id(*)
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integer :: rc, rn, i
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rc = f77_zmq_recv( zmq_socket_pull, n_tasks, 4, 0)
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if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
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if(rc /= 4) stop 'pull'
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rc = f77_zmq_recv( zmq_socket_pull, index, 4*n_tasks, 0)
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if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
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if(rc /= 4*n_tasks) stop 'pull'
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rc = f77_zmq_recv( zmq_socket_pull, pt2, N_states*8*n_tasks, 0)
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if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
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if(rc /= 8*N_states*n_tasks) stop 'pull'
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rc = f77_zmq_recv( zmq_socket_pull, task_id, n_tasks*4, 0)
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if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
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if(rc /= 4*n_tasks) stop 'pull'
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! Activate is zmq_socket_pull is a REP
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IRP_IF ZMQ_PUSH
IRP_ELSE
rc = f77_zmq_send( zmq_socket_pull, 'ok', 2, 0)
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if (rc == -1) then
n_tasks = 1
task_id(1) = 0
endif
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if (rc /= 2) then
print *, irp_here//': error in sending ok'
stop -1
endif
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IRP_ENDIF
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end subroutine
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BEGIN_PROVIDER [ double precision, pt2_workload, (N_det_generators) ]
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integer :: i
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do i=1,N_det_generators
pt2_workload(i) = dfloat(N_det_generators - i + 1)**2
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end do
pt2_workload = pt2_workload / sum(pt2_workload)
END_PROVIDER