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 5. Efficiency
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+- Fredrik Johansson wrote a new preprint about computing the gamma function,
+  where he claims a speedup of 10 over MPFR at machine precision, and a
+  speedup of 1000 for a first call to gamma at 10000 digits
 - Fredrik Johansson reports that mpfr_ai is slow for large arguments: an
   asymptotic expansion should be used (once done, remove REDUCE_EMAX from
   tests/tai.c and update the description in mpfr.texi).