Introduction to HPC

High Performance Computing 1

Cart_create

• subroutine fnd2ddecomp( comm2d, n, sx, ex, sy, ey )

• integer comm2d

• integer n, sx, ex, sy, ey

• integer dims(2), coords(2), ierr

• logical periods(2)

•

• call MPI_Cart_get( comm2d, 2, dims, periods, coords, ierr )

• call MPE_DECOMP1D( n, dims(1), coords(1), sx, ex )

• call MPE_DECOMP1D( n, dims(2), coords(2), sy, ey )

•

• return

• end

•