[Haskell-cafe] Re: GHC optimization issue

Joel Reymont joelr1 at gmail.com
Thu Dec 22 17:17:05 EST 2005

How expensive is a GHC function call?

How do I make a decision whether to specialize or to inline?

On Dec 22, 2005, at 10:06 PM, Simon Peyton-Jones wrote:

> (Brief because I'm at home.)
> Use INLINE (alone) to include swap at its call sites.  (That gives
> perfect per-call-site specialisation.)
> Use SPECIALISE (alone) to make a specialised copy of swap, which is  
> then
> not duplicated at each call site, but instead is called.


More information about the Haskell-Cafe mailing list