external core

Simon Peyton-Jones simonpj at microsoft.com
Wed Jul 27 03:22:02 EDT 2005

Good idea

Josef Svenningsson at Chalmers is in charge of External Core these days.  Let's see what he says.


| -----Original Message-----
| From: libraries-bounces at haskell.org [mailto:libraries-bounces at haskell.org] On Behalf Of John
| Meacham
| Sent: 27 July 2005 03:23
| To: libraries at haskell.org
| Subject: external core
| Now, the external core feature of ghc is great, but it is not utilized
| very much. The main reason I think is that there is a large barrier to
| entry in writing something that uses it since you need to parse/generate
| it.
| It would be nice if there were a standard library that came with ghc (or
| cabalized and portable even better) that could parse and pretty print
| external core.
| ideally, one could write a simple pass-through core processor that
| interacts with ghc in a single line and someone working on a new
| optimization need only worry about that.
| Also, it would make it very easy for jhc to generate and parse ghc core
| files (always an ulterior motive). I wanted to use jhcs front end to
| generate ghc core so I could get a true measure of the difference in
| just their back-end performance without taking into account ghc's
| superior high-level optimizations.
| In any case. I think all the code is out there in ghc and it just needs
| to be separated and cabalized. I know there was talk of creating a ghc
| internals library, but it would be nice if this code were portable and
| independent.
|         John
| --
| John Meacham - ⑆repetae.net⑆john⑈
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