From: "Török Edwin" <edwin+ml-ocaml@etorok.net>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Behaviour of an OCaml program: any possible GC improvement?
Date: Wed, 24 Oct 2012 13:38:15 +0300 [thread overview]
Message-ID: <5087C517.6000000@etorok.net> (raw)
In-Reply-To: <CAC3Lx=YHyYDqja1qiADBW1O9vXTHN0CCiAqPXrYWi7b0Eg8RFQ@mail.gmail.com>
On 10/24/2012 01:08 PM, David MENTRE wrote:
> Hello,
>
> I'm using OCaml 3.11.2 on Linux (Debian Squeeze 6.0) x86_64 platform.
>
> I have a program that exhibits the following gprof profile. A lot of
> time is spent in the GC (more than 56 %). Is there anything I can do
> with respect to the GC? Otherwise, this program is a typical symbolic
> manipulation program, handling trees made of Sum types and small lists
> of them (1 to 3 elements).
You can try tuning the Gc parameters:
http://caml.inria.fr/pub/docs/old-311/libref/Gc.html
Try increasing minor_heap_size, and major_heap_increment and see if there is any improvement.
Also look at Gc.stat() and see how many major collections and live words you have.
--Edwin
next prev parent reply other threads:[~2012-10-24 10:38 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-24 10:08 David MENTRE
2012-10-24 10:33 ` John Whitington
2012-10-24 12:30 ` David MENTRE
2012-10-24 12:39 ` John Whitington
2012-10-24 12:45 ` Edgar Friendly
2012-10-24 12:53 ` John Whitington
2012-10-24 13:19 ` David MENTRE
2012-10-24 13:27 ` John Whitington
2012-10-24 13:38 ` Oliver Bandel
2012-10-24 14:30 ` David MENTRE
2012-10-24 15:09 ` David MENTRE
2012-10-24 16:07 ` AW: " Gerd Stolpmann
2012-10-24 17:23 ` Martin Jambon
[not found] ` <1351094817.12207.11@samsung>
2012-10-25 6:48 ` David MENTRE
2012-10-25 7:37 ` David House
2012-10-24 10:38 ` Török Edwin [this message]
2012-10-25 10:06 ` David MENTRE
2012-10-25 10:16 ` Török Edwin
2012-10-25 10:19 ` David MENTRE
2012-11-07 11:52 ` David MENTRE
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