[Gc] Newbie: how to deal with a giant linked list?
wingo at pobox.com
Mon Dec 19 01:09:07 PST 2011
On Sun 18 Dec 2011 20:04, Jan Wielemaker <J.Wielemaker at vu.nl> writes:
> On 12/18/2011 01:15 PM, Andy Wingo wrote:
>> On Sun 18 Dec 2011 12:41, Jan Wielemaker<J.Wielemaker at vu.nl> writes:
>>> So - Why does stuborn not help here? Note that it does help
>>> in places where we have large non-mutable objects.
>> I think stubborn is deprecated. From gc/gc.h:
>> /* Note that the GC_malloc_stubborn support doesn't really exist */
>> /* anymore. MANUAL_VDB provides comparable functionality. */
>> Did you look at the MANUAL_VDB stuff in the source? It might help. I
>> don't know anything about that code though.
> Thanks. I've seen that remark, but I failed to find a more high-level
> description on what MANUAL_VDB means. What did I miss?
There's a comment somewhere in os_dep.c:2500 or so. "VDB" apparently
stands for "virtual dirty bits".
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