Joachim Breitner <m...@joachim-breitner.de> writes: > Hi Oleg, > > Am Freitag, den 29.01.2016, 00:22 +0200 schrieb Oleg Grenrus: >> Is the same compiler used to build HEAD and 7.10,1? > > Good call. In fact, no: 7.10.1 is built with 7.6.3, while HEAD is built > with 7.10.3. > > Anthony’s link, i.e. > https://perf.haskell.org/ghc/#compare/ca00def1d7093d6b5b2a937ddfc8a01c152038eb/a496f82d5684f3025a60877600e82f0b29736e85 > has links to the build logs of either build; there I could find that > information. > > That might be (part) of the problem. But if it is, it is even worse, as > it would mean not only building the compiler got slower, but the > compiler itself... > I can verify that the build itself is indeed slower. Validating the current state of ghc-7.10 takes 19 minutes, whereas ghc-8.0 takes 25.5 minutes. This isn't entirely unexpected but the change is quite a bit larger than I had thought. It would be nice to know which commits are responsible.
Cheers, - Ben
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