Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/tests/conformance98/Array/timeLargeArray/Main.hs
import Array main = print (((!1).inc.inc.inc.inc.inc.inc.inc.inc.inc.inc) a) size = 60 a :: Array Int Integer a = listArray (1,size) [1..] inc a = accum (+) a [(i,1) | i <- [1..size]]