[Haskell] Current XML libraries status

Krasimir Angelov kr.angelov at gmail.com
Sat Oct 25 04:09:37 EDT 2008

Hi Marc,

Thanks for the pointer. Fortunately I don't have this problem. Probably 2GB
of memory are enough to parse 20MB file even with this space leak. HXML
still works better than the other libraries and has a nice API so I use it.
The patch is useful but it is not applied. I also did some other changes in
HXML. It seems like the library is not maintained. Should I package it and
upload to Hackage?


On Sat, Oct 25, 2008 at 2:14 AM, Marc A. Ziegert <coeus at gmx.de> wrote:

> there was a thread about xml parsing, one month ago.
> <http://thread.gmane.org/gmane.comp.lang.haskell.cafe/44708>
> well, i don't know much about xml, except what it looks like;
> but i know about that interesting parsing problem behind it.
> maybe Lev Walkin has fixed that in HXML. at least he wrote this patch...
> <http://article.gmane.org/gmane.comp.lang.haskell.cafe/45033>
> - marc
> -----
> sometimes i think, i should write a paper about it. but then... naah, i'm
> like haskell: non-strict.
> Am Donnerstag, 23. Oktober 2008 schrieb Krasimir Angelov:
>  > Hi,
> >
> > Does some one have made performance tests on the different XML libraries
> for
> > Haskell? I have a 20MB xml file that I want to read. I remember from my
> > earlier experiments (years ago) that all libraries were too slow and were
> > consuming too much memory. I hoped that this situation had changed but
> maybe
> > not. I looked at HaXML, libxml, HXML and HXT. HaXML eats a lot of memory
> and
> > is still very slow. libxml is unfinished binding to the C library.
> Currently
> > it only allows to create documents. HXML seems to be very promising. It
> > works fast and it doesn't eat memory. Unfortunately it is that it seems
> to
> > be rather old. It uses its own Arrow and Tree libraries instead of the
> > standard libraries. I have not jumped into HXT yet because it seems to be
> > very large library. Could someone recomend which one is the state of the
> > art?
> >
> > Best Regards,
> >   Krasimir
> >
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