[Haskell-cafe] FPS lib

Simon Marlow simonmar at microsoft.com
Fri Oct 21 08:14:03 EDT 2005

On 21 October 2005 02:36, John Meacham wrote:

> I think a lot of benefit can be had by making ForeignPtr a product
> type rather than a union one. being able to unbox it in constructors
> and opening it to CPR analysis is key for tight inner loop code which
> pointers will most definitly be involved in.

Actually this is what we did, and why the benchmarks go a lot faster
with GHC 6.5 compared to 6.4.x.


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