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gyacomo/src/restarts_mod.F90
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restarts_mod.F90
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MODULE restarts
USE basic
USE futils, ONLY: openf, closef, getarr, getatt, isgroup,&
isdataset, getarrnd, putarrnd
USE grid
USE fields
USE diagnostics_par
USE time_integration
USE model, ONLY: KIN_E
IMPLICIT NONE
INTEGER :: rank, sz_, n_
INTEGER :: dims(1) = (/0/)
CHARACTER(LEN=50) :: dset_name
INTEGER :: pmaxe_cp, jmaxe_cp, pmaxi_cp, jmaxi_cp, n0, Nkx_cp, Nky_cp, Nz_cp
COMPLEX(dp), DIMENSION(:,:,:,:,:), ALLOCATABLE :: moments_e_cp
COMPLEX(dp), DIMENSION(:,:,:,:,:), ALLOCATABLE :: moments_i_cp
PUBLIC :: load_moments!, write_restart
CONTAINS
!******************************************************************************!
!!!!!!! Load moments from a previous output file
!******************************************************************************!
SUBROUTINE load_moments
IMPLICIT NONE
REAL :: timer_tot_1, timer_find_CP_1, timer_load_mom_1
REAL :: timer_tot_2, timer_find_CP_2, timer_load_mom_2
INTEGER :: deltap = 1
CALL cpu_time(timer_tot_1)
! Checkpoint filename
WRITE(rstfile,'(a,a1,i2.2,a3)') TRIM(resfile0),'_',job2load,'.h5'
IF (my_id .EQ. 0) WRITE(*,'(3x,a)') "Resume from ", rstfile
! Open file
CALL openf(rstfile, fidrst,mpicomm=comm0)
! Get the checkpoint moments degrees to allocate memory
CALL getatt(fidrst,"/data/input/" , "Nkx", Nkx_cp)
CALL getatt(fidrst,"/data/input/" , "Nky", Nky_cp)
CALL getatt(fidrst,"/data/input/" , "Nz", Nz_cp)
IF(Nz .EQ. 1) deltap = 2
IF (KIN_E) THEN
CALL getatt(fidrst,"/data/input/" , "pmaxe", pmaxe_cp)
CALL getatt(fidrst,"/data/input/" , "jmaxe", jmaxe_cp)
ENDIF
CALL getatt(fidrst,"/data/input/" , "pmaxi", pmaxi_cp)
CALL getatt(fidrst,"/data/input/" , "jmaxi", jmaxi_cp)
CALL getatt(fidrst,"/data/input/" , "start_iframe5d", n0)
IF ((KIN_E .AND. ((pmaxe_cp .NE. pmaxe) .OR. (jmaxe_cp .NE. jmaxe))) .OR.&
(pmaxi_cp .NE. pmaxi) .OR. (jmaxi_cp .NE. jmaxi)) THEN
IF(my_id.EQ.0) WRITE(*,*) '! Extending the polynomials basis !'
CALL load_output_adapt_pj
ELSE
CALL cpu_time(timer_find_CP_1)
! Find the last results of the checkpoint file by iteration
n_ = n0+1
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_i", n_ ! start with moments_e/000001
DO WHILE (isdataset(fidrst, dset_name)) ! If n_ is not a file we stop the loop
n_ = n_ + 1
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_i", n_ ! updtate file number
ENDDO
n_ = n_ - 1 ! n_ is not a file so take the previous one n_-1
! Read time dependent attributes to continue simulation
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_i", n_
CALL getatt(fidrst, dset_name, 'cstep', cstep)
CALL getatt(fidrst, dset_name, 'time', time)
CALL getatt(fidrst, dset_name, 'jobnum', jobnum)
jobnum = jobnum+1
CALL getatt(fidrst, dset_name, 'iframe2d',iframe2d)
CALL getatt(fidrst, dset_name, 'iframe5d',iframe5d)
iframe2d = iframe2d-1; iframe5d = iframe5d-1
IF(my_id.EQ.0) WRITE(*,*) '.. restart from t = ', time
CALL cpu_time(timer_find_CP_2)
IF(my_id.EQ.0) WRITE(*,*) '** Time find CP : ', timer_find_CP_2 - timer_find_CP_1, ' **'
CALL cpu_time(timer_load_mom_1)
! Read state of system from checkpoint file
! Super slow futils routine in Marconi.... but spare RAM
! IF (KIN_E) THEN
! WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_e", n_
! CALL getarrnd(fidrst, dset_name, moments_e(ips_e:ipe_e, ijs_e:ije_e, ikys:ikye, ikxs:ikxe, izs:ize, 1),(/1,3,5/))
! ENDIF
! WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_i", n_
! CALL getarrnd(fidrst, dset_name, moments_i(ips_i:ipe_i, ijs_i:ije_i, ikys:ikye, ikxs:ikxe, izs:ize, 1),(/1,3,5/))
! Brute force loading: load the full moments and take what is needed (RAM dangerous...)
IF (KIN_E) THEN
CALL allocate_array(moments_e_cp, 1,pmaxe_cp/deltap+1, 1,jmaxe_cp+1, 1,Nky_cp, 1,Nkx_cp, 1,Nz_cp)
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_e", n_
CALL getarr(fidrst, dset_name, moments_e_cp(:,:,:,:,:))
moments_e(ips_e:ipe_e, ijs_e:ije_e, ikys:ikye, ikxs:ikxe, izs:ize, 1) &
= moments_e_cp(ips_e:ipe_e, ijs_e:ije_e, ikys:ikye, ikxs:ikxe, izs:ize)
DEALLOCATE(moments_e_cp)
ENDIF
CALL allocate_array(moments_i_cp, 1,pmaxi_cp/deltap+1, 1,jmaxi_cp+1, 1,Nky_cp, 1,Nkx_cp, 1,Nz_cp)
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_i", n_
CALL getarr(fidrst, dset_name, moments_i_cp(:,:,:,:,:))
moments_i(ips_i:ipe_i, ijs_i:ije_i, ikys:ikye, ikxs:ikxe, izs:ize, 1) &
= moments_i_cp(ips_i:ipe_i, ijs_i:ije_i, ikys:ikye, ikxs:ikxe, izs:ize)
DEALLOCATE(moments_i_cp)
CALL closef(fidrst)
IF (my_id .EQ. 0) WRITE(*,'(3x,a)') "Reading from restart file "//TRIM(rstfile)//" completed!"
ENDIF
CALL cpu_time(timer_load_mom_2)
CALL cpu_time(timer_tot_2)
CALL mpi_barrier(MPI_COMM_WORLD, ierr)
IF(my_id.EQ.0) WRITE(*,*) '** Time load mom : ', timer_load_mom_2 - timer_load_mom_1, ' **'
IF(my_id.EQ.0) WRITE(*,*) '** Total load time : ', timer_tot_2 - timer_tot_1, ' **'
END SUBROUTINE load_moments
!******************************************************************************!
!******************************************************************************!
!!!!!!! Load moments from a previous output file with possible different PJ
!******************************************************************************!
SUBROUTINE load_output_adapt_pj
IMPLICIT NONE
INTEGER :: pmaxloop_e, pmaxloop_i, jmaxloop_e, jmaxloop_i, Nkx_cp, Nky_cp, Nz_cp
INTEGER :: deltap = 1
! Checkpoint filename
WRITE(rstfile,'(a,a1,i2.2,a3)') TRIM(resfile0),'_',job2load,'.h5'
IF (my_id .EQ. 0) WRITE(*,'(3x,a)') "Resume from ", rstfile
! Open file
CALL openf(rstfile, fidrst,mpicomm=comm0)
! Get grid info
CALL getatt(fidrst,"/data/input/" , "Nkx", Nkx_cp)
CALL getatt(fidrst,"/data/input/" , "Nky", Nky_cp)
CALL getatt(fidrst,"/data/input/" , "Nz", Nz_cp)
IF(Nz .EQ. 1) deltap = 2
!!!!!!!!! Load electron moments
IF (KIN_E) THEN
! Get the checkpoint moments degrees to allocate memory
CALL getatt(fidrst,"/data/input/" , "pmaxe", pmaxe_cp)
CALL getatt(fidrst,"/data/input/" , "jmaxe", jmaxe_cp)
IF (my_id .EQ. 0) WRITE(*,*) "Pe_cp = ", pmaxe_cp
IF (my_id .EQ. 0) WRITE(*,*) "Je_cp = ", jmaxe_cp
CALL getatt(fidrst,"/data/input/" , "start_iframe5d", n0)
! Allocate the required size to load checkpoints moments
! CALL allocate_array(moments_e_cp, 1,pmaxe_cp+1, 1,jmaxe_cp+1, ikxs,ikxe, ikys,ikye, izs,ize)
CALL allocate_array(moments_e_cp, 1,pmaxe_cp/deltap+1, 1,jmaxe_cp+1, 1,Nky_cp, 1,Nkx_cp, 1,Nz_cp)
! Find the last results of the checkpoint file by iteration
n_ = n0+1
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_e", n_ ! start with moments_e/000001
DO WHILE (isdataset(fidrst, dset_name)) ! If n_ is not a file we stop the loop
n_ = n_ + 1
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_e", n_ ! updtate file number
ENDDO
n_ = n_ - 1 ! n_ is not a file so take the previous one n_-1
! Read state of system from checkpoint file and load every moment to change the distribution
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_e", n_
! CALL getarrnd(fidrst, dset_name, moments_e_cp(1:pmaxe_cp+1, 1:jmaxe_cp+1, ikys:ikye, ikxs:ikxe, izs:ize),(/1,3/))
CALL getarr(fidrst, dset_name, moments_e_cp(1:pmaxe_cp/deltap+1, 1:jmaxe_cp+1, 1:Nky_cp, 1:Nkx_cp, 1:Nz_cp))
! Initialize simulation moments array with checkpoints ones
! (they may have a larger number of polynomials, set to 0 at the begining)
moments_e = 0._dp;
pmaxloop_e = min(ipe_e,pmaxe_cp/deltap+1)
jmaxloop_e = min(ije_e,jmaxe_cp+1)
IF (ips_e .LE. pmaxe_cp/deltap+1) THEN
DO ip=ips_e,pmaxloop_e
IF (ijs_e .LE. jmaxe_cp+1) THEN
DO ij=ijs_e,jmaxloop_e
DO ikx=ikxs,ikxe
DO iky=ikys,ikye
DO iz = izs,ize
moments_e(ip,ij,iky,ikx,iz,:) = moments_e_cp(ip,ij,iky,ikx,iz)
ENDDO
ENDDO
ENDDO
ENDDO
ENDIF
ENDDO
ENDIF
! Deallocate checkpoint arrays
DEALLOCATE(moments_e_cp)
ENDIF
!!!!!!! Load ion moments
! Get the checkpoint moments degrees to allocate memory
CALL getatt(fidrst,"/data/input/" , "pmaxi", pmaxi_cp)
CALL getatt(fidrst,"/data/input/" , "jmaxi", jmaxi_cp)
IF (my_id .EQ. 0) WRITE(*,*) "Pi_cp = ", pmaxi_cp
IF (my_id .EQ. 0) WRITE(*,*) "Ji_cp = ", jmaxi_cp
CALL getatt(fidrst,"/data/input/" , "start_iframe5d", n0)
! Allocate the required size to load checkpoints moments
! CALL allocate_array(moments_i_cp, 1,pmaxi_cp+1, 1,jmaxi_cp+1, ikxs,ikxe, ikys,ikye, izs,ize)
CALL allocate_array(moments_i_cp, 1,pmaxi_cp/deltap+1, 1,jmaxi_cp+1, 1,Nky_cp, 1,Nkx_cp, 1,Nz_cp)
! Find the last results of the checkpoint file by iteration
n_ = n0+1
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_i", n_ ! start with moments_e/000001
DO WHILE (isdataset(fidrst, dset_name)) ! If n_ is not a file we stop the loop
n_ = n_ + 1
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_i", n_ ! updtate file number
ENDDO
n_ = n_ - 1 ! n_ is not a file so take the previous one n_-1
! Read state of system from checkpoint file and load every moment to change the distribution
WRITE(dset_name, "(A, '/', i6.6)") "/data/var5d/moments_i", n_
! CALL getarrnd(fidrst, dset_name, moments_i_cp(1:pmaxi_cp+1, 1:jmaxi_cp+1, ikys:ikye, ikxs:ikxe, izs:ize),(/1,3/))
CALL getarr(fidrst, dset_name, moments_i_cp(1:pmaxi_cp/deltap+1, 1:jmaxi_cp+1, 1:Nky_cp, 1:Nkx_cp, 1:Nz_cp))
! Initialize simulation moments array with checkpoints ones
! (they may have a larger number of polynomials, set to 0 at the begining)
moments_i = 0._dp;
pmaxloop_i = min(ipe_i,pmaxi_cp/deltap+1)
jmaxloop_i = min(ije_i,jmaxi_cp+1)
IF (ips_i .LE. pmaxi_cp/deltap+1) THEN
DO ip=ips_i,pmaxloop_i
IF (ijs_i .LE. jmaxi_cp+1) THEN
DO ij=ijs_i,jmaxloop_i
DO ikx=ikxs,ikxe
DO iky=ikys,ikye
DO iz = izs,ize
moments_i(ip,ij,iky,ikx,iz,:) = moments_i_cp(ip,ij,iky,ikx,iz)
ENDDO
ENDDO
ENDDO
ENDDO
ENDIF
ENDDO
ENDIF
! Deallocate checkpoint arrays
DEALLOCATE(moments_i_cp)
! Read time dependent attributes to continue simulation
CALL getatt(fidrst, dset_name, 'cstep', cstep)
CALL getatt(fidrst, dset_name, 'time', time)
CALL getatt(fidrst, dset_name, 'jobnum', jobnum)
jobnum = jobnum+1
CALL getatt(fidrst, dset_name, 'iframe2d',iframe2d)
CALL getatt(fidrst, dset_name, 'iframe5d',iframe5d)
iframe2d = iframe2d-1; iframe5d = iframe5d-1
CALL closef(fidrst)
IF (my_id .EQ. 0) WRITE(*,'(3x,a)') "Reading from restart file "//TRIM(rstfile)//" completed!"
END SUBROUTINE load_output_adapt_pj
!******************************************************************************!
END MODULE restarts
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