> > Had you deprecated the non-threaded RTS, we would probably have no
> > problems described in ticket #2848 :-/
>
> > I think you'll have to deprecate it anyway, because it will be more
> > and more difficult to maintain two versions of code,
>
> we may conduct small survey on amount of usage of old RTS (i mean ask
> this in haskell-cafe)
For the only application I tried, using the threaded RTS imposes a 100%
performance penalty - i.e. computation time doubles, compared to the
non-threaded RTS. This was with ghc-6.8.2, and maybe the overhead has
improved since then?
Regards,
Malcolm
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