On Tue, Nov 8, 2011 at 7:11 AM, David Fox <dds...@gmail.com> wrote: > On Tue, Nov 8, 2011 at 6:31 AM, Daniel Fischer > <daniel.is.fisc...@googlemail.com> wrote: > > On the haskell-cafe as well as the beginners mailing lists, there > > frequently (for some value of frequent) are posts where the author > inquires > > about a badly performing programme, in the form of stack overflows, space > > leaks or slowness. > > > > Often this is because they compiled their programme without > optimisations, > > simply recompiling with -O or -O2 yields a decently performing programme. > > > > So I wonder, should ghc compile with -O1 by default? > > What would be the downsides? > > I think this is an excellent idea. Even better -O2.
FWIW gcc defaults to -O0.
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