Hi, Am Dienstag, den 07.03.2017, 22:55 +0000 schrieb Simon Peyton Jones via ghc-devs:
But: binary-trees runtime increases by 5%.
David: might you look to see if there is any obvious reason for this regression? We could just accept it, but it's always good to know why, and to document it.
Turns out that my commit Add rule mapFB c (λx.x) = c fixed that regression: https://perf.haskell.org/ghc/#revision/2fa44217c1d9722227297eefb0d6c6aed7e12... Maybe there is just a performance cliff there, and these jumps don’t really mean anything. Greetings, Joachim -- Joachim “nomeata” Breitner mail@joachim-breitner.de • https://www.joachim-breitner.de/ XMPP: nomeata@joachim-breitner.de • OpenPGP-Key: 0xF0FBF51F Debian Developer: nomeata@debian.org