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Optimized communications

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This commit is contained in:
Anthony Scemama 2019-02-04 13:20:24 +01:00
parent dd14a4f50d
commit df3a4fce2b
6 changed files with 163 additions and 146 deletions
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24
src/cipsi/pt2_stoch_routines.irp.f
View File

@ -16,7 +16,7 @@ END_PROVIDER
call write_int(6,pt2_n_tasks_max,'pt2_n_tasks_max')
pt2_F(:) = int(sqrt(float(pt2_n_tasks_max)))
do i=1,pt2_n_0(pt2_N_teeth/4)
do i=1,pt2_n_0(1+pt2_N_teeth/4)
pt2_F(i) = pt2_n_tasks_max
enddo
do i=pt2_n_0(pt2_N_teeth-pt2_N_teeth/4), N_det_generators
@ -115,7 +115,6 @@ subroutine ZMQ_pt2(E, pt2,relative_error, error, variance, norm, N_in)
integer(ZMQ_PTR) :: zmq_to_qp_run_socket, zmq_socket_pull
integer, intent(in) :: N_in
integer, external :: omp_get_thread_num
double precision, intent(in) :: relative_error, E(N_states)
double precision, intent(out) :: pt2(N_states),error(N_states)
double precision, intent(out) :: variance(N_states),norm(N_states)
@ -123,7 +122,6 @@ subroutine ZMQ_pt2(E, pt2,relative_error, error, variance, norm, N_in)
integer :: i, N
double precision, external :: omp_get_wtime
double precision :: state_average_weight_save(N_states), w(N_states,4)
integer(ZMQ_PTR), external :: new_zmq_to_qp_run_socket
type(selection_buffer) :: b
@ -132,7 +130,7 @@ subroutine ZMQ_pt2(E, pt2,relative_error, error, variance, norm, N_in)
PROVIDE psi_bilinear_matrix_rows psi_det_sorted_order psi_bilinear_matrix_order
PROVIDE psi_bilinear_matrix_transp_rows_loc psi_bilinear_matrix_transp_columns
PROVIDE psi_bilinear_matrix_transp_order psi_selectors_coef_transp psi_det_sorted
PROVIDE psi_det_hii
PROVIDE psi_det_hii N_generators_bitmask
if (s2_eig) then
PROVIDE psi_occ_pattern_hii det_to_occ_pattern
@ -148,6 +146,10 @@ subroutine ZMQ_pt2(E, pt2,relative_error, error, variance, norm, N_in)
N = max(N_in,1) * N_states
state_average_weight_save(:) = state_average_weight(:)
if (int(N,8)*2_8 > huge(1)) then
print *, irp_here, ': integer too large'
stop -1
endif
call create_selection_buffer(N, N*2, b)
ASSERT (associated(b%det))
ASSERT (associated(b%val))
@ -291,6 +293,7 @@ subroutine ZMQ_pt2(E, pt2,relative_error, error, variance, norm, N_in)
print '(A)', ' Samples Energy Stat. Err Variance Norm Seconds '
print '(A)', '========== ================= =========== =============== =============== ================='
PROVIDE global_selection_buffer
!$OMP PARALLEL DEFAULT(shared) NUM_THREADS(nproc_target+1) &
!$OMP PRIVATE(i)
i = omp_get_thread_num()
@ -338,6 +341,7 @@ subroutine pt2_slave_inproc(i)
implicit none
integer, intent(in) :: i
PROVIDE global_selection_buffer
call run_pt2_slave(1,i,pt2_e0_denominator)
end
@ -371,7 +375,6 @@ subroutine pt2_collector(zmq_socket_pull, E, relative_error, pt2, error, varianc
integer, allocatable :: task_id(:)
integer, allocatable :: index(:)
double precision, external :: omp_get_wtime
double precision :: v, x, x2, x3, avg, avg2, avg3, eqt, E0, v0, n0
double precision :: time, time1, time0
@ -437,7 +440,6 @@ subroutine pt2_collector(zmq_socket_pull, E, relative_error, pt2, error, varianc
stop_now = .false.
do while (n <= N_det_generators)
if(f(pt2_J(n)) == 0) then
!print *, 'f(pt2_J(n)) == 0'
d(pt2_J(n)) = .true.
do while(d(U+1))
U += 1
@ -490,6 +492,7 @@ subroutine pt2_collector(zmq_socket_pull, E, relative_error, pt2, error, varianc
pt2(pt2_stoch_istate) = avg
variance(pt2_stoch_istate) = avg2
norm(pt2_stoch_istate) = avg3
call wall_time(time)
! 1/(N-1.5) : see Brugger, The American Statistician (23) 4 p. 32 (1969)
if(c > 2) then
eqt = dabs((S2(t) / c) - (S(t)/c)**2) ! dabs for numerical stability
@ -510,7 +513,6 @@ subroutine pt2_collector(zmq_socket_pull, E, relative_error, pt2, error, varianc
endif
endif
endif
call wall_time(time)
end if
n += 1
else if(more == 0) then
@ -521,15 +523,15 @@ subroutine pt2_collector(zmq_socket_pull, E, relative_error, pt2, error, varianc
stop 'Unable to delete tasks'
endif
do i=1,n_tasks
eI(:, index(i)) += eI_task(:,i)
vI(:, index(i)) += vI_task(:,i)
nI(:, index(i)) += nI_task(:,i)
eI(1:N_states, index(i)) += eI_task(1:N_states,i)
vI(1:N_states, index(i)) += vI_task(1:N_states,i)
nI(1:N_states, index(i)) += nI_task(1:N_states,i)
f(index(i)) -= 1
end do
do i=1, b2%cur
call add_to_selection_buffer(b, b2%det(1,1,i), b2%val(i))
! We assume the pulled buffer is sorted
if (b2%val(i) > b%mini) exit
call add_to_selection_buffer(b, b2%det(1,1,i), b2%val(i))
end do
if (zmq_delete_tasks_async_recv(zmq_to_qp_run_socket,more,sending) == -1) then
stop 'Unable to delete tasks'

216
src/cipsi/run_pt2_slave.irp.f
View File

@ -1,6 +1,31 @@
subroutine run_pt2_slave(thread,iproc,energy)
use f77_zmq
use omp_lib
use selection_types
use f77_zmq
BEGIN_PROVIDER [ integer(omp_lock_kind), global_selection_buffer_lock ]
use omp_lib
implicit none
BEGIN_DOC
! Global buffer for the OpenMP selection
END_DOC
call omp_init_lock(global_selection_buffer_lock)
END_PROVIDER
BEGIN_PROVIDER [ type(selection_buffer), global_selection_buffer ]
use omp_lib
implicit none
BEGIN_DOC
! Global buffer for the OpenMP selection
END_DOC
call omp_set_lock(global_selection_buffer_lock)
call delete_selection_buffer(global_selection_buffer)
call create_selection_buffer(N_det_generators, 2*N_det_generators, &
global_selection_buffer)
call omp_unset_lock(global_selection_buffer_lock)
END_PROVIDER
subroutine run_pt2_slave(thread,iproc,energy)
use selection_types
use f77_zmq
implicit none
double precision, intent(in) :: energy(N_states_diag)
@ -28,6 +53,7 @@ subroutine run_pt2_slave(thread,iproc,energy)
double precision, external :: memory_of_double, memory_of_int
integer :: bsize ! Size of selection buffers
logical :: sending
PROVIDE global_selection_buffer global_selection_buffer_lock
rss = memory_of_int(pt2_n_tasks_max)*67.d0
rss += memory_of_double(pt2_n_tasks_max)*(N_states*3)
@ -103,10 +129,21 @@ subroutine run_pt2_slave(thread,iproc,energy)
endif
call sort_selection_buffer(b)
call push_pt2_results_async_recv(zmq_socket_push,b%mini,sending)
call push_pt2_results_async_send(zmq_socket_push, i_generator, pt2, variance, norm, b, task_id, n_tasks,sending)
call omp_set_lock(global_selection_buffer_lock)
global_selection_buffer%mini = b%mini
call merge_selection_buffers(b,global_selection_buffer)
b%cur=0
call omp_unset_lock(global_selection_buffer_lock)
if ( iproc == 1 ) then
call omp_set_lock(global_selection_buffer_lock)
call push_pt2_results_async_send(zmq_socket_push, i_generator, pt2, variance, norm, global_selection_buffer, task_id, n_tasks,sending)
global_selection_buffer%cur = 0
call omp_unset_lock(global_selection_buffer_lock)
else
call push_pt2_results_async_send(zmq_socket_push, i_generator, pt2, variance, norm, b, task_id, n_tasks,sending)
endif
! Try to adjust n_tasks around nproc/2 seconds per job
! ! Try to adjust n_tasks around nproc/2 seconds per job
! n_tasks = min(2*n_tasks,int( dble(n_tasks * nproc/2) / (time1 - time0 + 1.d0)))
n_tasks = 1
end do
@ -124,12 +161,13 @@ subroutine run_pt2_slave(thread,iproc,energy)
if (buffer_ready) then
call delete_selection_buffer(b)
endif
FREE global_selection_buffer
end subroutine
subroutine push_pt2_results(zmq_socket_push, index, pt2, variance, norm, b, task_id, n_tasks)
use f77_zmq
use selection_types
use f77_zmq
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_push
@ -138,99 +176,17 @@ subroutine push_pt2_results(zmq_socket_push, index, pt2, variance, norm, b, task
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
logical :: sending
sending = .False.
call push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, norm, b, task_id, n_tasks, sending)
call push_pt2_results_async_recv(zmq_socket_push, b%mini, sending)
end subroutine
subroutine push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, norm, b, task_id, n_tasks, sending)
use f77_zmq
use selection_types
use f77_zmq
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_push
@ -241,6 +197,7 @@ subroutine push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, no
type(selection_buffer), intent(inout) :: b
logical, intent(inout) :: sending
integer :: rc
integer*8 :: rc8
if (sending) then
print *, irp_here, ': sending is true'
@ -250,6 +207,8 @@ subroutine push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, no
rc = f77_zmq_send( zmq_socket_push, n_tasks, 4, ZMQ_SNDMORE)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 1
return
else if(rc /= 4) then
stop 'push'
@ -258,6 +217,8 @@ subroutine push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, no
rc = f77_zmq_send( zmq_socket_push, index, 4*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 2
return
else if(rc /= 4*n_tasks) then
stop 'push'
@ -266,6 +227,8 @@ subroutine push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, no
rc = f77_zmq_send( zmq_socket_push, pt2, 8*N_states*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 3
return
else if(rc /= 8*N_states*n_tasks) then
stop 'push'
@ -274,6 +237,8 @@ subroutine push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, no
rc = f77_zmq_send( zmq_socket_push, variance, 8*N_states*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 4
return
else if(rc /= 8*N_states*n_tasks) then
stop 'push'
@ -282,6 +247,8 @@ subroutine push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, no
rc = f77_zmq_send( zmq_socket_push, norm, 8*N_states*n_tasks, ZMQ_SNDMORE)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 5
return
else if(rc /= 8*N_states*n_tasks) then
stop 'push'
@ -290,40 +257,63 @@ subroutine push_pt2_results_async_send(zmq_socket_push, index, pt2, variance, no
rc = f77_zmq_send( zmq_socket_push, task_id, n_tasks*4, ZMQ_SNDMORE)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 6
return
else if(rc /= 4*n_tasks) then
stop 'push'
endif
if (b%cur == 0) then
rc = f77_zmq_send( zmq_socket_push, b%cur, 4, 0)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 7
return
else if(rc /= 4) then
stop 'push'
endif
else
rc = f77_zmq_send( zmq_socket_push, b%cur, 4, ZMQ_SNDMORE)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 7
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
rc8 = f77_zmq_send8( zmq_socket_push, b%val, 8_8*int(b%cur,8), ZMQ_SNDMORE)
if (rc8 == -1_8) then
print *, irp_here, ': error sending result'
stop 8
return
else if(rc /= 8*b%cur) then
else if(rc8 /= 8_8*int(b%cur,8)) 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
rc8 = f77_zmq_send8( zmq_socket_push, b%det, int(bit_kind*N_int*2,8)*int(b%cur,8), 0)
if (rc8 == -1_8) then
print *, irp_here, ': error sending result'
stop 9
return
else if(rc /= N_int*2*8*b%cur) then
else if(rc8 /= int(N_int*2*8,8)*int(b%cur,8)) then
stop 'push'
endif
endif
end subroutine
subroutine push_pt2_results_async_recv(zmq_socket_push,mini,sending)
use f77_zmq
use selection_types
use f77_zmq
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_push
@ -339,12 +329,22 @@ IRP_ELSE
character*(2) :: ok
rc = f77_zmq_recv( zmq_socket_push, ok, 2, 0)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 10
return
else if ((rc /= 2).and.(ok(1:2) /= 'ok')) then
print *, irp_here//': error in receiving ok'
stop -1
endif
rc = f77_zmq_recv( zmq_socket_push, mini, 8, 0)
if (rc == -1) then
print *, irp_here, ': error sending result'
stop 11
return
else if (rc /= 8) then
print *, irp_here//': error in receiving mini'
stop 12
endif
IRP_ENDIF
sending = .False.
end subroutine
@ -352,8 +352,8 @@ end subroutine
subroutine pull_pt2_results(zmq_socket_pull, index, pt2, variance, norm, task_id, n_tasks, b)
use f77_zmq
use selection_types
use f77_zmq
implicit none
integer(ZMQ_PTR), intent(in) :: zmq_socket_pull
double precision, intent(inout) :: pt2(N_states,*)
@ -363,6 +363,7 @@ subroutine pull_pt2_results(zmq_socket_pull, index, pt2, variance, norm, task_id
integer, intent(out) :: index(*)
integer, intent(out) :: n_tasks, task_id(*)
integer :: rc, rn, i
integer*8 :: rc8
rc = f77_zmq_recv( zmq_socket_pull, n_tasks, 4, 0)
if (rc == -1) then
@ -420,22 +421,25 @@ subroutine pull_pt2_results(zmq_socket_pull, index, pt2, variance, norm, task_id
stop 'pull'
endif
rc = f77_zmq_recv( zmq_socket_pull, b%val, 8*b%cur, 0)
if (rc == -1) then
if (b%cur > 0) then
rc8 = f77_zmq_recv8( zmq_socket_pull, b%val, 8_8*int(b%cur,8), 0)
if (rc8 == -1_8) then
n_tasks = 1
task_id(1) = 0
else if(rc /= 8*b%cur) then
else if(rc8 /= 8_8*int(b%cur,8)) 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
rc8 = f77_zmq_recv8( zmq_socket_pull, b%det, int(bit_kind*N_int*2,8)*int(b%cur,8), 0)
if (rc8 == -1_8) then
n_tasks = 1
task_id(1) = 0
else if(rc /= N_int*2*8*b%cur) then
else if(rc8 /= int(N_int*2*8,8)*int(b%cur,8)) then
stop 'pull'
endif
endif
! Activate is zmq_socket_pull is a REP
IRP_IF ZMQ_PUSH

5
src/cipsi/selection_buffer.irp.f
View File

@ -37,6 +37,11 @@ subroutine delete_selection_buffer(b)
if (associated(b%val)) then
deallocate(b%val)
endif
NULLIFY(b%det)
NULLIFY(b%val)
b%cur = 0
b%mini = 0.d0
b%N = 0
end

1
src/cipsi/slave_cipsi.irp.f
View File

@ -288,6 +288,7 @@ subroutine run_slave_main
endif
endif
PROVIDE global_selection_buffer
!$OMP PARALLEL PRIVATE(i) NUM_THREADS(nproc_target+1)
i = omp_get_thread_num()
call run_pt2_slave(0,i,pt2_e0_denominator)

15
src/determinants/slater_rules.irp.f
View File

@ -1793,11 +1793,16 @@ subroutine ac_operator(iorb,ispin,key,hjj,Nint,na,nb)
key(k,ispin) = ibset(key(k,ispin),l)
other_spin = iand(ispin,1)+1
! if (iorb > mo_num) then
! print *, irp_here, 'iorb > mo_num'
! print *, iorb, mo_num
! stop -1
! endif
if (iorb < 1) then
print *, irp_here, 'iorb < 1'
print *, iorb, mo_num
stop -1
endif
if (iorb > mo_num) then
print *, irp_here, 'iorb > mo_num'
print *, iorb, mo_num
stop -1
endif
hjj = hjj + mo_one_e_integrals(iorb,iorb)
! Same spin

2
src/zmq/utils.irp.f
View File

@ -603,8 +603,8 @@ subroutine end_parallel_job(zmq_to_qp_run_socket,zmq_socket_pull,name_in)
do i=3600,1,-1
rc = f77_zmq_send(zmq_to_qp_run_socket, 'end_job '//trim(zmq_state),8+len(trim(zmq_state)),0)
rc = f77_zmq_recv(zmq_to_qp_run_socket, message, 512, 0)
if (trim(message(1:13)) == 'error waiting') then
call sleep(1)
if (trim(message(1:13)) == 'error waiting') then
cycle
else if (message(1:2) == 'ok') then
exit