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From: Gabriel Scherer <gabriel.scherer@gmail.com>
To: Raoul Duke <raould@gmail.com>
Cc: Goswin von Brederlow <goswin-v-b@web.de>, OCaml <caml-list@inria.fr>
Subject: Re: [Caml-list] concurrent gc?
Date: Tue, 29 Jul 2014 06:25:25 +0200	[thread overview]
Message-ID: <CAPFanBFw9PUua4GmU+RwwGczmtykA9Qvk1Knv8xdb_aUPGpLKA@mail.gmail.com> (raw)
In-Reply-To: <CAJ7XQb4Q8FSEOrNB0-anYmMaSKZqw-8zOrLc64eRN2zck5vSKg@mail.gmail.com>

This is not a bug, at best a feature request (of the kind "we've
already talked about plenty of times and nobody stepped forward to do
actual work to demonstrate usefulness"). You can optimize your data
representation this or that way, and they will work better or this or
that workflow.

Do you have practical experience with OCaml programs with unacceptable
pauses, or is this discussion just premature GC optimization? Having a
concrete example to work with could be interesting.

On Mon, Jul 28, 2014 at 7:34 PM, Raoul Duke <raould@gmail.com> wrote:
>>> There are also other tricks such as changing the tag of a block to avoid
>>> scanning, but I wouldn't advise to use it unless you really know what you
>>> are doing...
>> That is actualy something that should be fixed in the compiler. There
>> are some special cases that use special tags, e.g. a record only
>> containing floats will be tagges as float array. But any record that
>> contains no pointers should be tagged so it isn't needlessly scanned.
>> Afaik that doesn't happen yet.
>
> anybody who understands those words willing to open a bug report on it? ;-)
>
> --
> Caml-list mailing list.  Subscription management and archives:
> https://sympa.inria.fr/sympa/arc/caml-list
> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
> Bug reports: http://caml.inria.fr/bin/caml-bugs

  reply	other threads:[~2014-07-29  4:26 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-23 23:34 Raoul Duke
2014-07-24  0:05 ` John F. Carr
2014-07-24  0:08   ` Raoul Duke
2014-07-24  0:44     ` John F. Carr
2014-07-24  0:45       ` Raoul Duke
2014-07-24 15:24         ` Shayne Fletcher
2014-07-24  3:45     ` Malcolm Matalka
2014-07-24  5:58       ` Anthony Tavener
2014-07-28 11:20         ` Goswin von Brederlow
2014-07-24  6:58   ` Nicolas Boulay
2014-07-24  7:38     ` Malcolm Matalka
2014-07-24 15:36     ` Fabrice Le Fessant
2014-07-24 15:39       ` Malcolm Matalka
2014-07-24 16:44         ` Fabrice Le Fessant
2014-07-25  7:18           ` Nicolas Boulay
2014-07-28 11:26             ` Goswin von Brederlow
2014-07-28 11:24           ` Goswin von Brederlow
2014-07-28 17:34             ` Raoul Duke
2014-07-29  4:25               ` Gabriel Scherer [this message]
2014-07-29  4:49                 ` ygrek
2014-07-29 10:01                   ` Goswin von Brederlow
2014-07-29 10:29                     ` ygrek
2014-07-31 11:10                       ` Goswin von Brederlow
2014-07-29 17:23                 ` Raoul Duke
2014-12-19  0:58                   ` Jon Harrop
2014-07-31 14:26         ` Richard W.M. Jones

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