RCM to RCM

Hi There:
 
I would like to do interpolation from a low-resolution RCM to a high-resolution RCM. I checked NCL and couldn't find a function like rcm2rcm. I had to use rcm2points with the following codes:
   do i = 1, 1000
   do j= 1, 1000
    pp(i,j) = rcm2points (tlatb,tlonb,mslpb,tlat(i,j),tlon(i,j),0)
    uu(i,j) = rcm2points (tlatb,tlonb,u10mb,tlat(i,j),tlon(i,j),0)
    vv(i,j) = rcm2points (tlatb,tlonb,v10mb,tlat(i,j),tlon(i,j),0)
   end do
   end do
However, the codes takes a lot of CPU time. Very slow. Can someone give me some suggestions how to optimize the codes? Thanks!
 
Ed
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Received on Wed Nov 6 21:07:35 2013