FYI, moving discussion off the ghc-devs list to avoid spamming it. Check out this mailing list if interested:
https://groups.google.com/forum/#!forum/haskell-benchmark-infrastructure So far, we're discussing benchmark harnesses and perf dashboards, but I'm sure we'll get to the benchmarks themselves at some point. On Tue, Apr 5, 2016 at 11:59 AM, Carter Schonwald < carter.schonw...@gmail.com> wrote: > The cause of the initial blowup was adding the vector test suite to the > normal cabal file, in both 0O and O2 forms. This was done so that fusion > rules based bugs wouldn't lie in hiding for years. > > It sounds like the issues that resulted in built blowup are fixed in 8.0. > My guess is it's a combination of some type class coercion / equality > manipulation getting better plus other improvements in 8.0, both. > > > On Tuesday, April 5, 2016, Dominic Steinitz <domi...@steinitz.org> wrote: > >> Ryan Newton <rrnewton <at> gmail.com> writes: >> >> > Hi all, Is anyone currently working in, or interested in helping >> > with, a new benchmark suite for Haskell? Perhaps, packaging up >> > existing apps and app benchmarks into a new benchmark suite that >> > gives a broad picture of Haskell application performance today? >> >> I am very interested. I recently encountered a serious performance >> regression from 7.8 to 7.10 which seems to be fixed in 8.0. Now it's >> not clear whether this was a library change or ghc itself. I suspect >> the latter but given the performance is better in 8.0, I was not >> motivated to confirm this. >> >> I am happy to wrap up my example in whatever format but note that it >> does pull in quite a few libraries. >> >> Dominic. >> _______________________________________________ >> ghc-devs mailing list >> ghc-devs@haskell.org >> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs >> > > _______________________________________________ > ghc-devs mailing list > ghc-devs@haskell.org > http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs > >
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