From: Han-Wen Nienhuys <hanwen@xs4all.nl>
Subject: Re: [PATCH] Fixing `gc-live-object-stats'
Date: Thu, 17 Nov 2005 15:12:14 +0100 [thread overview]
Message-ID: <437C8FBE.3030507@xs4all.nl> (raw)
In-Reply-To: <87r79f4dgj.fsf@laas.fr>
Ludovic Courtès wrote:
> BTW, looking at the code of `scm_i_sweep_some_cards ()', it looks like
> cards can be initialized more than once in the event where THRESHOLD is
> reached before NEXT_FREE reached the upper boundary of SEG. In such a
> case, SEG->FIRST_TIME will remain equal to 1, and thus, the next time
> this function is called on SEG, `scm_i_init_card_freelist ()' will be
> called again for each of SEG's cards.
>
> Did I miss something?
Yes. Sweeping always starts with NEXT_FREE, which is incremented for
each call, so each card from the segment is only passed over once with
FIRST_TIME. FIRST_TIME refers to the fact that no GC has taken place for
the segment at hand.
--
Han-Wen Nienhuys - hanwen@xs4all.nl - http://www.xs4all.nl/~hanwen
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next prev parent reply other threads:[~2005-11-17 14:12 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-08 17:22 [PATCH] Marking weak alist vectors Ludovic Courtès
2005-11-08 23:51 ` Marius Vollmer
2005-11-09 9:03 ` Ludovic Courtès
2005-12-06 23:55 ` Marius Vollmer
2005-12-07 10:33 ` Ludovic Courtès
2005-12-13 23:45 ` Marius Vollmer
2005-12-14 9:30 ` Ludovic Courtès
2005-11-09 10:28 ` Han-Wen Nienhuys
2005-11-09 16:28 ` Ludovic Courtès
2005-11-09 18:36 ` Han-Wen Nienhuys
2005-11-09 21:11 ` Kevin Ryde
2005-11-09 22:45 ` Marius Vollmer
2005-11-10 12:11 ` Han-Wen Nienhuys
2005-11-10 9:47 ` [PATCH] Reference leak in `iprin1 ()' Ludovic Courtès
2005-11-12 9:23 ` Neil Jerram
2005-11-14 9:58 ` Ludovic Courtès
2005-11-16 21:18 ` Neil Jerram
2005-11-17 9:54 ` Ludovic Courtès
2005-11-17 18:52 ` Neil Jerram
2005-11-23 10:19 ` [PATCH] Marking weak alist vectors, #2 Ludovic Courtès
2005-11-24 0:59 ` Han-Wen Nienhuys
2005-11-24 9:01 ` Ludovic Courtès
2005-11-26 0:49 ` Kevin Ryde
2006-01-09 14:51 ` [PATCH] Marking weak alist vectors, epilogue Ludovic Courtès
2006-01-09 19:29 ` Neil Jerram
2006-01-10 8:21 ` Ludovic Courtès
2006-01-10 9:33 ` Neil Jerram
2006-01-10 15:43 ` Ludovic Courtès
2005-11-17 13:21 ` [PATCH] Fixing `gc-live-object-stats' Ludovic Courtès
2005-11-17 14:12 ` Han-Wen Nienhuys [this message]
2005-11-30 8:54 ` Ludovic Courtès
2005-11-30 23:45 ` Han-Wen Nienhuys
2005-12-03 19:31 ` Neil Jerram
2005-12-05 8:50 ` Ludovic Courtès
2005-12-06 19:14 ` Neil Jerram
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