From: Jon Harrop <jon@ffconsultancy.com>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Marshalling data format deteriorates compressibility
Date: Wed, 28 Jun 2006 01:00:26 +0100 [thread overview]
Message-ID: <200606280100.27399.jon@ffconsultancy.com> (raw)
In-Reply-To: <f8560b80606271404k43c7eacer8a659395c4d1674@mail.gmail.com>
On Tuesday 27 June 2006 22:04, Markus Mottl wrote:
> As it seems, the current marshalling algorithm uses this relative
> addressing approach to save space: relative offsets are encoded with
> variable length (this assumes some degree of locality), which is not
> possible with absolute addressing. Unfortunately, this does not take
> compression algorithms into account, which may greatly benefit from
> repeating patterns of pointers.
Interesting. Perhaps using a higher-order bitwise arithmetic coder instead of
*zip would be the least intrusive solution? Alternatively, a custom rewrite
tool in order to evade the compiler's internals?
--
Dr Jon D Harrop, Flying Frog Consultancy Ltd.
Objective CAML for Scientists
http://www.ffconsultancy.com/products/ocaml_for_scientists
next prev parent reply other threads:[~2006-06-28 0:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-27 21:04 Markus Mottl
2006-06-28 0:00 ` Jon Harrop [this message]
2006-06-27 23:31 [Caml-list] " Martin Jambon
2006-06-28 22:48 ` Markus Mottl
2006-06-27 23:42 Martin Jambon
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