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!! | 
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!! @author Charles F. Vardeman II | 
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!! @author Matthew Meineke | 
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!! @version $Id: mpiSimulation_module.F90,v 1.10 2003-12-17 20:13:33 chuckv Exp $, $Date: 2003-12-17 20:13:33 $, $Name: not supported by cvs2svn $, $Revision: 1.10 $ | 
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!! @version $Id: mpiSimulation_module.F90,v 1.11 2003-12-18 20:46:45 chuckv Exp $, $Date: 2003-12-18 20:46:45 $, $Name: not supported by cvs2svn $, $Revision: 1.11 $ | 
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module mpiSimulation   | 
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  use definitions | 
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#ifdef PROFILE | 
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  public :: printCommTime | 
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  real(kind = dp ), save :: commTime = 0.0_dp | 
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  real(kind = dp ) :: commTimeInitial,commTimeFinal | 
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  public :: getCommTime | 
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  real,save   :: commTime = 0.0 | 
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  real   :: commTimeInitial,commTimeFinal | 
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#endif | 
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!! Include mpiComponentPlan type. mpiComponentPlan is a  | 
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    if (present(status)) status = 0 | 
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    noffset = this_plan%displs(this_plan%myPlanRank) | 
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#ifdef PROFILE | 
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    commTimeInitial = mpi_wtime() | 
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    call cpu_time(commTimeInitial) | 
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#endif | 
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    call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_double_precision, & | 
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         rbuffer,this_plan%counts,this_plan%displs,mpi_double_precision, & | 
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         this_plan%myPlanComm, mpi_err) | 
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#ifdef PROFILE | 
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    commTimeFinal = mpi_wtime() | 
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    call cpu_time(commTimeFinal) | 
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    commTime = commTime + commTimeFinal - commTimeInitial | 
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#endif | 
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!    noffset = this_plan%displs(this_plan%me) | 
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#ifdef PROFILE | 
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   commTimeInitial = mpi_wtime() | 
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   call cpu_time(commTimeInitial) | 
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#endif | 
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    call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_double_precision, & | 
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        this_plan%myPlanComm, mpi_err) | 
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#ifdef PROFILE | 
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    commTimeFinal = mpi_wtime() | 
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    call cpu_time(commTimeFinal) | 
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    commTime = commTime + commTimeFinal - commTimeInitial | 
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#endif | 
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   if (present(status)) status = 0 | 
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#ifdef PROFILE | 
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   commTimeInitial = mpi_wtime() | 
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   call cpu_time(commTimeInitial) | 
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#endif | 
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    call mpi_reduce_scatter(sbuffer,rbuffer, this_plan%counts, & | 
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         mpi_double_precision, MPI_SUM, this_plan%myPlanComm, mpi_err) | 
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#ifdef PROFILE | 
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    commTimeFinal = mpi_wtime() | 
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    call cpu_time(commTimeFinal) | 
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    commTime = commTime + commTimeFinal - commTimeInitial | 
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#endif | 
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   if (present(status)) status = 0 | 
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#ifdef PROFILE | 
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   commTimeInitial = mpi_wtime() | 
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   call cpu_time(commTimeInitial) | 
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#endif | 
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    call mpi_reduce_scatter(sbuffer,rbuffer, this_plan%counts, & | 
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         mpi_double_precision, MPI_SUM, this_plan%myPlanComm, mpi_err) | 
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#ifdef PROFILE | 
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    commTimeFinal = mpi_wtime() | 
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    call cpu_time(commTimeFinal) | 
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    commTime = commTime + commTimeFinal - commTimeInitial | 
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#endif | 
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#ifdef PROFILE | 
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  subroutine printCommTime() | 
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    write(*,*) "MPI communication time is: ", commTime | 
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  end subroutine printCommTime | 
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  function getCommTime() result(comm_time) | 
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    real :: comm_time | 
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    comm_time = commTime | 
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  end function getCommTime | 
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#endif | 
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#endif // is_mpi |