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fixed issue with LONG_INT #37

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Nov 28, 2021
Merged

fixed issue with LONG_INT #37

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10 changes: 7 additions & 3 deletions src/initmpi.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,8 @@ subroutine initmpi(my_block,id_first,dims,cbc,bc,periods,lmin,lmax,gt,gr,lo,hi,n
integer :: i,j,k,idir,iidir,inb,irank
logical :: is_nb,found_friend
integer(i8) :: ntot,ntot_max,ntot_min,ntot_sum
integer :: isize
type(MPI_DATATYPE) :: MPI_INTEGER_I8
!
call MPI_COMM_SIZE(MPI_COMM_WORLD,nrank)
call MPI_COMM_SPLIT(MPI_COMM_WORLD,my_block,myid,comm_block)
Expand Down Expand Up @@ -169,9 +171,11 @@ subroutine initmpi(my_block,id_first,dims,cbc,bc,periods,lmin,lmax,gt,gr,lo,hi,n
! check distribution of grid points over the different tasks
!
ntot = product(hi(:)-lo(:)+1_i8)
call MPI_ALLREDUCE(ntot,ntot_min,1,MPI_LONG,MPI_MIN,MPI_COMM_WORLD)
call MPI_ALLREDUCE(ntot,ntot_max,1,MPI_LONG,MPI_MAX,MPI_COMM_WORLD)
call MPI_ALLREDUCE(ntot,ntot_sum,1,MPI_LONG,MPI_SUM,MPI_COMM_WORLD)
call MPI_SIZEOF(1_i8,isize)
call MPI_TYPE_MATCH_SIZE(MPI_TYPECLASS_INTEGER,isize,MPI_INTEGER_I8)
call MPI_ALLREDUCE(ntot,ntot_min,1,MPI_INTEGER_I8,MPI_MIN,MPI_COMM_WORLD)
call MPI_ALLREDUCE(ntot,ntot_max,1,MPI_INTEGER_I8,MPI_MAX,MPI_COMM_WORLD)
call MPI_ALLREDUCE(ntot,ntot_sum,1,MPI_INTEGER_I8,MPI_SUM,MPI_COMM_WORLD)
write(stdout,*) 'Maximum, minimum, average, and normalized average number of grid points for task ',myid, &
'(block',my_block,'): ',ntot_max, &
ntot_min, &
Expand Down