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QuantumPackage/src/cipsi/run_pt2_slave.irp.f

330 lines
8.4 KiB
Fortran
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2019-01-25 11:39:31 +01:00
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
integer :: worker_id, ctask, ltask
character*(512), allocatable :: task(:)
integer, allocatable :: task_id(:)
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
type(selection_buffer) :: b, b2
logical :: done, buffer_ready
double precision,allocatable :: pt2(:,:), variance(:,:), norm(:,:)
integer :: n_tasks, k, N
integer, allocatable :: i_generator(:), subset(:)
double precision :: rss
double precision, external :: memory_of_double, memory_of_int
rss = memory_of_int(pt2_n_tasks_max)*67.d0
rss += memory_of_double(pt2_n_tasks_max)*(N_states*3)
call check_mem(rss,irp_here)
allocate(task_id(pt2_n_tasks_max), task(pt2_n_tasks_max))
allocate(pt2(N_states,pt2_n_tasks_max), i_generator(pt2_n_tasks_max), subset(pt2_n_tasks_max))
allocate(variance(N_states,pt2_n_tasks_max))
allocate(norm(N_states,pt2_n_tasks_max))
zmq_to_qp_run_socket = new_zmq_to_qp_run_socket()
integer, external :: connect_to_taskserver
if (connect_to_taskserver(zmq_to_qp_run_socket,worker_id,thread) == -1) then
call end_zmq_to_qp_run_socket(zmq_to_qp_run_socket)
return
endif
zmq_socket_push = new_zmq_push_socket(thread)
b%N = 0
buffer_ready = .False.
n_tasks = 1
done = .False.
n_tasks = 1
do while (.not.done)
n_tasks = max(1,n_tasks)
n_tasks = min(pt2_n_tasks_max,n_tasks)
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
done = task_id(n_tasks) == 0
if (done) then
n_tasks = n_tasks-1
endif
if (n_tasks == 0) exit
do k=1,n_tasks
read (task(k),*) subset(k), i_generator(k), N
enddo
if (b%N == 0) then
! Only first time
call create_selection_buffer(N, N*2, b)
call create_selection_buffer(N, N*2, b2)
buffer_ready = .True.
else
ASSERT (N == b%N)
endif
double precision :: time0, time1
call wall_time(time0)
do k=1,n_tasks
pt2(:,k) = 0.d0
variance(:,k) = 0.d0
norm(:,k) = 0.d0
b%cur = 0
!double precision :: time2
!call wall_time(time2)
call select_connected(i_generator(k),energy,pt2(1,k),variance(1,k),norm(1,k),b,subset(k),pt2_F(i_generator(k)))
!call wall_time(time1)
!print *, i_generator(1), time1-time2, n_tasks, pt2_F(i_generator(1))
enddo
call wall_time(time1)
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!print *, '-->', i_generator(1), time1-time0, n_tasks
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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
call sort_selection_buffer(b)
call merge_selection_buffers(b,b2)
call push_pt2_results(zmq_socket_push, i_generator, pt2, variance, norm, b, task_id, n_tasks)
b%mini = b2%mini
b%cur=0
! Try to adjust n_tasks around nproc/8 seconds per job
n_tasks = min(2*n_tasks,int( dble(n_tasks * nproc/8) / (time1 - time0 + 1.d0)))
end do
integer, external :: disconnect_from_taskserver
do i=1,300
if (disconnect_from_taskserver(zmq_to_qp_run_socket,worker_id) /= -2) exit
call sleep(1)
print *, 'Retry disconnect...'
end do
call end_zmq_push_socket(zmq_socket_push,thread)
call end_zmq_to_qp_run_socket(zmq_to_qp_run_socket)
if (buffer_ready) then
call delete_selection_buffer(b)
call delete_selection_buffer(b2)
endif
end subroutine
subroutine push_pt2_results(zmq_socket_push, index, pt2, variance, norm, b, task_id, n_tasks)
use f77_zmq
use selection_types
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_push
double precision, intent(in) :: pt2(N_states,n_tasks)
double precision, intent(in) :: variance(N_states,n_tasks)
double precision, intent(in) :: norm(N_states,n_tasks)
integer, intent(in) :: n_tasks, index(n_tasks), task_id(n_tasks)
type(selection_buffer), intent(inout) :: b
integer :: rc
rc = f77_zmq_send( zmq_socket_push, n_tasks, 4, ZMQ_SNDMORE)
if (rc == -1) then
return
else if(rc /= 4) then
stop 'push'
endif
rc = f77_zmq_send( zmq_socket_push, index, 4*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
return
else if(rc /= 4*n_tasks) then
stop 'push'
endif
rc = f77_zmq_send( zmq_socket_push, pt2, 8*N_states*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
return
else if(rc /= 8*N_states*n_tasks) then
stop 'push'
endif
rc = f77_zmq_send( zmq_socket_push, variance, 8*N_states*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
return
else if(rc /= 8*N_states*n_tasks) then
stop 'push'
endif
rc = f77_zmq_send( zmq_socket_push, norm, 8*N_states*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
return
else if(rc /= 8*N_states*n_tasks) then
stop 'push'
endif
rc = f77_zmq_send( zmq_socket_push, task_id, n_tasks*4, ZMQ_SNDMORE)
if (rc == -1) then
return
else if(rc /= 4*n_tasks) then
stop 'push'
endif
rc = f77_zmq_send( zmq_socket_push, b%cur, 4, ZMQ_SNDMORE)
if (rc == -1) then
return
else if(rc /= 4) then
stop 'push'
endif
rc = f77_zmq_send( zmq_socket_push, b%val, 8*b%cur, ZMQ_SNDMORE)
if (rc == -1) then
return
else if(rc /= 8*b%cur) then
stop 'push'
endif
rc = f77_zmq_send( zmq_socket_push, b%det, bit_kind*N_int*2*b%cur, 0)
if (rc == -1) then
return
else if(rc /= N_int*2*8*b%cur) then
stop 'push'
endif
! Activate is zmq_socket_push is a REQ
IRP_IF ZMQ_PUSH
IRP_ELSE
character*(2) :: ok
rc = f77_zmq_recv( zmq_socket_push, ok, 2, 0)
if (rc == -1) then
return
else if ((rc /= 2).and.(ok(1:2) /= 'ok')) then
print *, irp_here//': error in receiving ok'
stop -1
endif
IRP_ENDIF
end subroutine
subroutine pull_pt2_results(zmq_socket_pull, index, pt2, variance, norm, task_id, n_tasks, b)
use f77_zmq
use selection_types
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_pull
double precision, intent(inout) :: pt2(N_states,*)
double precision, intent(inout) :: variance(N_states,*)
double precision, intent(inout) :: norm(N_states,*)
type(selection_buffer), intent(inout) :: b
integer, intent(out) :: index(*)
integer, intent(out) :: n_tasks, task_id(*)
integer :: rc, rn, i
rc = f77_zmq_recv( zmq_socket_pull, n_tasks, 4, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 4) then
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, index, 4*n_tasks, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 4*n_tasks) then
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, pt2, N_states*8*n_tasks, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 8*N_states*n_tasks) then
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, variance, N_states*8*n_tasks, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 8*N_states*n_tasks) then
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, norm, N_states*8*n_tasks, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 8*N_states*n_tasks) then
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, task_id, n_tasks*4, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 4*n_tasks) then
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, b%cur, 4, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 4) then
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, b%val, 8*b%cur, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 8*b%cur) then
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, b%det, bit_kind*N_int*2*b%cur, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if(rc /= N_int*2*8*b%cur) then
stop 'pull'
endif
! Activate is zmq_socket_pull is a REP
IRP_IF ZMQ_PUSH
IRP_ELSE
rc = f77_zmq_send( zmq_socket_pull, 'ok', 2, 0)
if (rc == -1) then
n_tasks = 1
task_id(1) = 0
else if (rc /= 2) then
print *, irp_here//': error in sending ok'
stop -1
endif
IRP_ENDIF
end subroutine