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qmpi.F90
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#if defined(QMPI)
module qmpi
!
! A module defining a minimalist interface to a subset of MPI.
! The first five primitives can in theory be used to parallelize
! any program. The module hides type specification, communicators,
! explicit error handling, the need to give explicit buffer size etc.
! Also provided are a few interfaces for often used broadcast and
! reduction operations
!
! © Helge Avlesen <[email protected]>, para//ab
!
! primitives: (optional arguments in brackets)
!
! subroutine start_mpi()
! starts the mpi subsystem. all processesors are assigned a number (myid).
! the number of processors is numproc.
! subroutine stop_mpi()
! stops the mpi subsystem
! subroutine barrier([label])
! syncronization point for all processors. optionally prints a label on
! the master processor (0).
! subroutine send(data, target [,tag])
! send object data to processor number target, tag is an optional integer
! that defaults to 0. (if multiple messages are exchanged between a
! pair of processors, a unique tag must be used for each exhange)
! subroutine receive(data, source [,tag])
! get object data from processor source, tag is optional and as for send
! MPI will fail if the size of the object received is different from what
! was sent.
!
! The rest of the routines are included for convenience, they can be
! also be implemented using the above subroutines.
!
! subroutine broadcast(data [,root])
! broadcast data (any type) from processor root (default=0) to all
! other processors.
! subroutine mbroadcast(data [,data2,data3,data4,data5,data6] [,root])
! broadcast up to 6 scalar variables of the same type, to all processors
! from processor root (default=0)
! subroutine reduce(type, data [,data2,data3,data4,data5,data6] [,root] )
! reduce the scalar data, optionally also data2-data6, return result
! on all processes. the operation can currently be of type 'sum', 'mul',
! 'min' or 'max' i.e. a sum or a product. data-data6 must be of the
! same type. if integer root is present, only return result on that
! processor (faster)
!
! Example: a program that sends a real from processor 0 to processor 1
! use qmpi
! real data
! call start_mpi
! data=myid
! if(myid==0) call send(data, 1)
! if(myid==1) then
! call receive(data, 0)
! print *,'hello, I am',myid,'got ',data,'from process 0'
! end if
! call stop_mpi
! end
!
! More advanced usage example: to send a derived type from 0 to 1;
! pack it in a string (could be packed into any array), send, receive, unpack.
!
! type(any_type) var1
! character, allocatable :: buffer(:)
! ...
! N=size(transfer(var1,(/'x'/)))) !! compute size of type once
! allocate(buffer(N))
! if(myid==0)then
! buffer = transfer(var1,buffer)
! call send(buffer,1)
! end if
! if(myid==1)then
! call receive(buffer,0)
! var1 = transfer(buffer,var1)
! end if
! ...
!
#warning "COMPILING WITH QMPI CODE"
include 'mpif.h'
integer, public :: qmpi_proc_num, qmpi_num_proc, ierr, errorcode, mpistatus(mpi_status_size)
logical, public :: master=.false., slave=.false.
! some kinds. could use selected_real_kind(..) for this instead of hard coding
integer, parameter :: dp=8, sp=4, long=8, short=2
interface send
module procedure &
qmpi_send_real4, &
qmpi_send_real4_1d, &
qmpi_send_real4_2d, &
qmpi_send_real4_3d, &
qmpi_send_real4_4d, &
qmpi_send_real8, &
qmpi_send_real8_1d, &
qmpi_send_real8_2d, &
qmpi_send_real8_3d, &
qmpi_send_real8_4d, &
qmpi_send_integer4, &
qmpi_send_integer4_1d, &
qmpi_send_integer4_2d, &
qmpi_send_integer4_3d, &
qmpi_send_integer4_4d, &
qmpi_send_integer8, &
qmpi_send_integer8_1d, &
qmpi_send_integer8_2d, &
qmpi_send_integer8_3d, &
qmpi_send_integer8_4d, &
qmpi_send_string, &
qmpi_send_character_1d,&
qmpi_send_logical
end interface
interface receive
module procedure &
qmpi_recv_real4, &
qmpi_recv_real4_1d, &
qmpi_recv_real4_2d, &
qmpi_recv_real4_3d, &
qmpi_recv_real4_4d, &
qmpi_recv_real8, &
qmpi_recv_real8_1d, &
qmpi_recv_real8_2d, &
qmpi_recv_real8_3d, &
qmpi_recv_real8_4d, &
qmpi_recv_integer4, &
qmpi_recv_integer4_1d, &
qmpi_recv_integer4_2d, &
qmpi_recv_integer4_3d, &
qmpi_recv_integer4_4d, &
qmpi_recv_integer8, &
qmpi_recv_integer8_1d, &
qmpi_recv_integer8_2d, &
qmpi_recv_integer8_3d, &
qmpi_recv_integer8_4d, &
qmpi_recv_string, &
qmpi_recv_character_1d,&
qmpi_recv_logical
end interface
interface reduce
module procedure &
qmpi_integer_reduction, &
qmpi_integer8_reduction,&
qmpi_real_reduction, &
qmpi_real8_reduction
end interface
interface broadcast
module procedure &
qmpi_broadcast_logical, &
qmpi_broadcast_string, &
qmpi_broadcast_stringarr,&
qmpi_broadcast_integer4, &
qmpi_broadcast_integer4_array1d, &
qmpi_broadcast_integer4_array2d, &
qmpi_broadcast_integer8, &
qmpi_broadcast_integer8_array1d, &
qmpi_broadcast_integer8_array2d, &
qmpi_broadcast_real4, &
qmpi_broadcast_real4_array1d, &
qmpi_broadcast_real4_array2d, &
qmpi_broadcast_real4_array3d, &
qmpi_broadcast_real4_array4d, &
qmpi_broadcast_real8, &
qmpi_broadcast_real8_array1d, &
qmpi_broadcast_real8_array2d, &
qmpi_broadcast_real8_array3d, &
qmpi_broadcast_real8_array4d
end interface
interface mbroadcast
module procedure &
qmpi_broadcast_logicals, &
qmpi_broadcast_real4s, &
qmpi_broadcast_real8s, &
qmpi_broadcast_integer4s, &
qmpi_broadcast_integer8s
end interface
contains
subroutine start_mpi()
!
! initialize the core MPI subsystem
! this routine should be called as the first statement in the program.
! MPI does not specify what happen before MPI_init and after mpi_finalize
!
implicit none
call mpi_init(ierr)
call mpi_comm_size(mpi_comm_world, qmpi_num_proc, ierr)
call mpi_comm_rank(mpi_comm_world, qmpi_proc_num, ierr)
master=.false.
if(qmpi_proc_num==0) master=.true.
if(qmpi_proc_num>0) slave=.true.
print*,'Inne i start_mpi: qmpi_proc_num =',qmpi_proc_num,' master =',master
if(master) then
write(*,'(a,i0,a)') 'MPI started with ',qmpi_num_proc,' processors'
end if
end subroutine start_mpi
subroutine stop_mpi()
implicit none
call mpi_finalize(ierr)
stop
end subroutine stop_mpi
subroutine barrier(label)
! makes all processes sync at this point, optionally print a label
implicit none
character(*), optional :: label
call mpi_barrier(mpi_comm_world, ierr)
if(master.and.present(label)) print *,'---barrier---',label,'---------'
end subroutine barrier
subroutine qmpi_send_logical(data, target, tag)
implicit none
logical data
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_send(data, counter, mpi_logical, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_logical count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_logical
subroutine qmpi_send_string(data, target, tag)
implicit none
character(*) data
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=len(data)
call mpi_send(data, counter, mpi_character, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_string count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_string
subroutine qmpi_send_character_1d(data, target, tag)
implicit none
character data(:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_send(data, counter, mpi_character, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_character_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_character_1d
subroutine qmpi_recv_character_1d(data, target, tag)
implicit none
character data(:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_recv(data, counter, mpi_character, target, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_character_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_character_1d
subroutine qmpi_send_integer4(data, target, tag)
implicit none
integer(sp) data
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_send(data, counter, mpi_integer, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer4 count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer4
subroutine qmpi_send_integer4_1d(data, target, tag)
implicit none
integer(sp) data(:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_send(data, counter, mpi_integer, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer4_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer4_1d
subroutine qmpi_send_integer4_2d(data, target, tag)
implicit none
integer(sp) data(:,:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)
call mpi_send(data, counter, mpi_integer, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer4_2d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer4_2d
subroutine qmpi_send_integer4_3d(data, target, tag)
implicit none
integer(sp) data(:,:,:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)
call mpi_send(data, counter, mpi_integer, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer4_3d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer4_3d
subroutine qmpi_send_integer4_4d(data, target, tag)
implicit none
integer(sp) data(:,:,:,:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)*size(data,4)
call mpi_send(data, counter, mpi_integer, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer4_4d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer4_4d
subroutine qmpi_send_integer8(data, target, tag)
implicit none
integer(long) data
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_send(data, counter, mpi_integer8, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer8 count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer8
subroutine qmpi_send_integer8_1d(data, target, tag)
implicit none
integer(long) data(:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_send(data, counter, mpi_integer8, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer8_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer8_1d
subroutine qmpi_send_integer8_2d(data, target, tag)
implicit none
integer(long) data(:,:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)
call mpi_send(data, counter, mpi_integer8, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer8_2d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer8_2d
subroutine qmpi_send_integer8_3d(data, target, tag)
implicit none
integer(8) data(:,:,:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)
call mpi_send(data, counter, mpi_integer8, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer8_3d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer8_3d
subroutine qmpi_send_integer8_4d(data, target, tag)
implicit none
integer(8) data(:,:,:,:)
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)*size(data,4)
call mpi_send(data, counter, mpi_integer8, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_integer8_4d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_integer8_4d
subroutine qmpi_send_real4(data, target, tag)
implicit none
real(sp) data
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_send(data, counter, mpi_real, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real4 count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real4
subroutine qmpi_send_real8(data, target, tag)
implicit none
real(dp) data
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_send(data, counter, mpi_double_precision, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real8 count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real8
subroutine qmpi_send_real4_1d(data, target, tag)
implicit none
real(sp) data(:)
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_send(data, counter, mpi_real, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real4_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real4_1d
subroutine qmpi_send_real8_1d(data, target, tag)
implicit none
real(dp) data(:)
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_send(data, counter, mpi_double_precision, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real8_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real8_1d
subroutine qmpi_send_real4_2d(data, target, tag)
implicit none
real(sp) data(:,:)
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)
call mpi_send(data, counter, mpi_real, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real4_2d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real4_2d
subroutine qmpi_send_real8_2d(data, target, tag)
implicit none
real(dp) data(:,:)
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)
call mpi_send(data, counter, mpi_double_precision, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real8_2d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real8_2d
subroutine qmpi_send_real4_3d(data, target, tag)
implicit none
real(sp) data(:,:,:)
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)
call mpi_send(data, counter, mpi_real, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real4_3d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real4_3d
subroutine qmpi_send_real8_3d(data, target, tag)
implicit none
real(dp) data(:,:,:)
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)
call mpi_send(data, counter, mpi_double_precision, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real8_3d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real8_3d
subroutine qmpi_send_real4_4d(data, target, tag)
implicit none
real(sp) data(:,:,:,:)
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)*size(data,4)
call mpi_send(data, counter, mpi_real, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real4_4d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real4_4d
subroutine qmpi_send_real8_4d(data, target, tag)
implicit none
real(dp) data(:,:,:,:)
integer target
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)*size(data,4)
call mpi_send(data, counter, mpi_double_precision, target, given_tag, mpi_comm_world, ierr)
if(ierr.ne.0)then
print *,'error send_real8_4d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_send_real8_4d
subroutine qmpi_recv_integer4(data, source, tag)
implicit none
integer(sp) data
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_recv(data, counter, mpi_integer, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer4_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer4
subroutine qmpi_recv_integer4_1d(data, source, tag)
implicit none
integer(sp) data(:)
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_recv(data, counter, mpi_integer, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer4_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer4_1d
subroutine qmpi_recv_integer4_2d(data, source, tag)
implicit none
integer(sp) data(:,:)
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)
call mpi_recv(data, counter, mpi_integer, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer4_2d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer4_2d
subroutine qmpi_recv_integer4_3d(data, source, tag)
implicit none
integer(sp) data(:,:,:)
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)
call mpi_recv(data, counter, mpi_integer, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer4_3d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer4_3d
subroutine qmpi_recv_integer4_4d(data, source, tag)
implicit none
integer(sp) data(:,:,:,:)
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)*size(data,4)
call mpi_recv(data, counter, mpi_integer, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer4_4d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer4_4d
subroutine qmpi_recv_integer8(data, source, tag)
implicit none
integer(long) data
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_recv(data, counter, mpi_integer8, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer8 count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer8
subroutine qmpi_recv_integer8_1d(data, source, tag)
implicit none
integer(long) data(:)
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_recv(data, counter, mpi_integer8, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer8_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer8_1d
subroutine qmpi_recv_integer8_2d(data, source, tag)
implicit none
integer(long) data(:,:)
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)
call mpi_recv(data, counter, mpi_integer8, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer8_2d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer8_2d
subroutine qmpi_recv_integer8_3d(data, source, tag)
implicit none
integer(8) data(:,:,:)
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)
call mpi_recv(data, counter, mpi_integer8, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer8_3d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer8_3d
subroutine qmpi_recv_integer8_4d(data, source, tag)
implicit none
integer(8) data(:,:,:,:)
integer source, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)*size(data,4)
call mpi_recv(data, counter, mpi_integer8, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_integer8_4d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_integer8_4d
subroutine qmpi_recv_real4(data, source, tag)
implicit none
real(sp) data
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_recv(data, counter, mpi_real, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real4 count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real4
subroutine qmpi_recv_real8(data, source, tag)
implicit none
real(dp) data
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_recv(data, counter, mpi_double_precision, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real8 count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real8
subroutine qmpi_recv_real4_1d(data, source, tag)
implicit none
real(sp) data(:)
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_recv(data, counter, mpi_real, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real4_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real4_1d
subroutine qmpi_recv_real8_1d(data, source, tag)
implicit none
real(dp) data(:)
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data)
call mpi_recv(data, counter, mpi_double_precision, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real8_1d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real8_1d
subroutine qmpi_recv_real4_2d(data, source, tag)
implicit none
real(sp) data(:,:)
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)
call mpi_recv(data, counter, mpi_real, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real4_2d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real4_2d
subroutine qmpi_recv_real8_2d(data, source, tag)
implicit none
real(dp) data(:,:)
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)
call mpi_recv(data, counter, mpi_double_precision, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real8_2d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real8_2d
subroutine qmpi_recv_real4_3d(data, source, tag)
implicit none
real(sp) data(:,:,:)
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)
call mpi_recv(data, counter, mpi_real, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real4_3d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real4_3d
subroutine qmpi_recv_real8_3d(data, source, tag)
implicit none
real(dp) data(:,:,:)
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)
call mpi_recv(data, counter, mpi_double_precision, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real8_3d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real8_3d
subroutine qmpi_recv_real4_4d(data, source, tag)
implicit none
real(sp) data(:,:,:,:)
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)*size(data,4)
call mpi_recv(data, counter, mpi_real, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real4_4d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real4_4d
subroutine qmpi_recv_real8_4d(data, source, tag)
implicit none
real(dp) data(:,:,:,:)
integer source
integer, optional :: tag
integer counter, given_tag
given_tag=0
if(present(tag)) given_tag=tag
counter=size(data,1)*size(data,2)*size(data,3)*size(data,4)
call mpi_recv(data, counter, mpi_double_precision, source, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_real8_4d count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_real8_4d
subroutine qmpi_recv_logical(data, target, tag)
implicit none
logical data
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=1
call mpi_recv(data, counter, mpi_logical, target, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_logical count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_logical
subroutine qmpi_recv_string(data, target, tag)
implicit none
character(*) data
integer target, counter, given_tag
integer, optional :: tag
given_tag=0
if(present(tag)) given_tag=tag
counter=len(data)
call mpi_recv(data, counter, mpi_character, target, given_tag, mpi_comm_world, mpistatus, ierr)
if(ierr.ne.0)then
print *,'error recv_string count=',counter,'tag=',given_tag
stop
end if
end subroutine qmpi_recv_string
subroutine qmpi_broadcast_string(string,root)
!