On 18/06/2010 22:22, Marco Túlio Gontijo e Silva wrote:
Hi Simon.
Excerpts from Simon Marlow's message of Qua Jun 09 11:55:05 -0300 2010:
(...)
Now would be a good time to get acquainted with using gdb for debugging
the GC. You'll need it eventually anyway!
Thanks for the tip. I haven't sta
Hi Simon.
Excerpts from Simon Marlow's message of Qua Jun 09 11:55:05 -0300 2010:
(...)
> Now would be a good time to get acquainted with using gdb for debugging
> the GC. You'll need it eventually anyway!
Thanks for the tip. I haven't started with it before because I thought it was
unnecessar
On 09/06/2010 14:45, Marco Túlio Gontijo e Silva wrote:
Hi.
I'm replying to myself, since I'm stuck for some days in the same thing, and I
thought that asking may help me move on. By the way, have you received my last
e-mail? I'm asking because I could not see it correctly in
http://www.haskel
Hi.
I'm replying to myself, since I'm stuck for some days in the same thing, and I
thought that asking may help me move on. By the way, have you received my last
e-mail? I'm asking because I could not see it correctly in
http://www.haskell.org/pipermail/cvs-ghc/2010-June/054293.html .
Excerpts
Hi Simon.
Excerpts from Simon Marlow's message of Qui Jun 03 06:34:25 -0300 2010:
> On 03/06/2010 00:12, Marco Túlio Gontijo e Silva wrote:
(...)
> >> From rts/sm/Sweep.c:
(...)
> >> *line_last = 0;
(...)
> use "NULL" rather than "0".
In this case I'm doing I would have to do a type cast, be
On 03/06/2010 00:12, Marco Túlio Gontijo e Silva wrote:
Hi.
Another section of questions:
From rts/sm/Evac.c:
(...)
Changing evacuate() to take an (StgClosure **) rather than
returning the new pointer seems attractive, because we can avoid
writing back the pointer when it hasn't
Hi.
Another section of questions:
>From rts/sm/Evac.c:
(...)
>Changing evacuate() to take an (StgClosure **) rather than
>returning the new pointer seems attractive, because we can avoid
>writing back the pointer when it hasn't changed (eg. for a static
>object, or an object in a
On 31/05/2010 20:26, Marco Túlio Gontijo e Silva wrote:
http://people.debian.org/~marcot/mem2.png
(source code: http://people.debian.org/~marcot/mem2.hs )
This image contains three scenarios of allocations using Immix. In the first,
all objects are allocated once, so there's no fragmentation.
On 27/05/2010 12:48, Marco Túlio Gontijo e Silva wrote:
Excerpts from Simon Marlow's message of Qui Mai 27 05:38:16 -0300 2010:
I suggest we allocate medium objects in a separate space entirely, and
maybe just copy them as normal, rather than using mark/sweep on them.
You mean there will be
Hi.
Excerpts from Marco Túlio Gontijo e Silva's message of Qui Mai 27 08:48:34
-0300 2010:
(...)
> Excerpts from Simon Marlow's message of Qui Mai 27 05:38:16 -0300 2010:
(...)
> > We might consider "medium" objects to be any object that is larger than,
> > say 75% of a line. The point is we wa
Hi Simon.
Excerpts from Simon Marlow's message of Qui Mai 27 05:38:16 -0300 2010:
> On 27/05/2010 00:08, Marco Túlio Gontijo e Silva wrote:
>
> > I've made some patches to GHC to correct these issues. I don't know if
> > you're
> > willing to recieve these kind of small patches, but I'll send t
On 27/05/2010 00:08, Marco Túlio Gontijo e Silva wrote:
I've made some patches to GHC to correct these issues. I don't know if you're
willing to recieve these kind of small patches, but I'll send them anyway.
I didn't see any patches - did you forget to attach them?
I thought there would be
On 27 May 2010 01:26, Thomas Schilling wrote:
> Every basic block that performs some allocation is preceded by a heap
> check. If this test fails, a special RTS routine is invoked. I'm not
> sure which one this is. Simon can tell you.
AFAIK it is stg_gc_fun. Sample code:
"""
clE:
Hp = Hp
Just a few bits, Simon will be able to help you with the rest.
On 27 May 2010 00:08, Marco Túlio Gontijo e Silva wrote:
> Hi Simon.
>
> Excerpts from Simon Marlow's message of Ter Mai 25 06:31:50 -0300 2010:
>> On 24/05/2010 23:02, Marco Túlio Gontijo e Silva wrote:
> (...)
>> >> From includes/rt
Hi Simon.
Excerpts from Simon Marlow's message of Ter Mai 25 06:31:50 -0300 2010:
> On 24/05/2010 23:02, Marco Túlio Gontijo e Silva wrote:
(...)
> >> From includes/rts/storage/GC.h:
(...)
> >> unsigned int n_words; // number of words
> >
> > Is this the total number of words in
On 24/05/2010 23:02, Marco Túlio Gontijo e Silva wrote:
Hi.
I was accepted as a student to the Google Summer of Code to work on
Implemmenting the Immix Garbage Collector in GHC. I'm currently reading the
Commentary and the source code in order to understand what needs to be
changed. I have som
Hi.
I was accepted as a student to the Google Summer of Code to work on
Implemmenting the Immix Garbage Collector in GHC. I'm currently reading the
Commentary and the source code in order to understand what needs to be
changed. I have some questions which are not central to my work, but I though
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