You should also compare the speed when the macro is defined in an include
file instead of the same scene file (in theory it should be much slower).
  It would also be interesting to see what happens if the function is defined
in an external include file (AFAIK there should not be speed difference, but
who knows?).

-- 
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -

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