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387 commits 61 branches 169 tags 68 MiB
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Author SHA1 Message Date
Andy Wingo
4cdb47de6a There are four lights 2024-09-10 11:28:15 +02:00
Andy Wingo
1ff082705e Remove scc 
PCC with GC_PARALLEL=0 is exactly equivalent to SCC.  Also now that PCC
will dynamically avoid atomic forwarding if parallelism is disabled at
run-time, there is no need to keep SCC around.
 2024-09-10 11:10:47 +02:00
Andy Wingo
6545b34073 Reorder events in event listener; refactors to mmc and pcc 
In GC, request mutators to stop before doing anything else; changes the
order of the event listener interface.  Also, refactor mmc to look more
like pcc.
 2024-09-10 10:55:38 +02:00
Andy Wingo
9f437485ec MMC marks roots in parallel during the pause, not while stopping 
Following the analysis in
https://wingolog.org/archives/2024/09/06/on-taking-advantage-of-ragged-stops,
we simplify MMC by traversing roots only during the pause.  This lets us
use gc_tracer parallel root-tracing.
 2024-09-09 15:03:49 +02:00
Andy Wingo
8604ad6beb mmc reformatting 2024-09-08 09:54:16 +02:00
Andy Wingo
2915b052e4 Whoops, typo on mmc docs 2024-09-02 14:20:52 +02:00
Andy Wingo
519949edf3 Update .gitignore 2024-09-02 13:24:38 +02:00
Andy Wingo
44a7240e16 Rename "whippet" collector to "mmc": mostly marking collector 2024-09-02 13:19:05 +02:00
Andy Wingo
cf129f10de nofl: Block marks are bytes 
There was no need to use a bitvector, and the marks were only being
partially cleared.  More straightforward (and still low overhead) as
bytes.
 2024-08-30 21:20:34 +02:00
Andy Wingo
8d6db735fd Nofl space can have discontiguous slabs 2024-08-30 16:53:20 +02:00
Andy Wingo
1a7d08baac Add separate extents header 
Will be useful to let slab heaps grow.
 2024-08-30 16:53:20 +02:00
Andy Wingo
c949e4e4a9 Refactor representation of blocks in nofl space 2024-08-30 16:53:20 +02:00
Andy Wingo
a180be0cbd
Merge pull request #4 from Z572/fix-doc 
fix guile.md link
 2024-08-26 09:23:40 +02:00
Andy Wingo
59b85abbda Fix regarding memset of block marks 2024-08-25 20:46:05 +02:00
Andy Wingo
59c9f5dff9 Mark blocks that are targets of evacuation 2024-08-25 08:58:55 +02:00
Andy Wingo
7b4a56c51a nofl: Fix sticky mark bit treatment for block marks 2024-08-25 08:45:17 +02:00
Andy Wingo
b8c0fa0e90 nofl: simplify sweeping 
No more need to identify empties during sweeping, as that is done
eagerly during the pause.
 2024-08-24 21:52:47 +02:00
Andy Wingo
6dcec272b1 nofl: eagerly sweep empty blocks 2024-08-24 21:31:07 +02:00
Andy Wingo
010185f729 nofl: Refactor to trace visitor 2024-08-24 16:38:11 +02:00
Andy Wingo
7db72e7f80 whippet: ensure mutators release allocators before start_gc 2024-08-24 09:09:23 +02:00
Andy Wingo
19fdd481d5 Fix some corner cases with hole zeroing of empty blocks 2024-08-23 21:20:40 +02:00
Andy Wingo
d137e1397c Instead of partitioning blocks by flag, put them in separate lists 
This way you can directly iterate blocks of a certain kind.  Also verify
these lists more thoroughly, and allow full blocks that are the results
of evacuation to skip being swept the next round.  Also!  Have
next_hole_in_block / next_hole_in_block ensure that the object data and
the mark bytes are clear.
 2024-08-22 21:47:15 +02:00
Andy Wingo
b663e5878e nofl: Refactor evacuation allocation to be thread-local 
This relaxes a "reliability" requirement, as in
https://wingolog.org/archives/2024/07/10/copying-collectors-with-block-structured-heaps-are-unreliable.
 2024-08-21 15:07:50 +02:00
Andy Wingo
004a3d0411 Factor nofl-space out of whippet 2024-08-21 10:19:26 +02:00
Andy Wingo
b6e9d3c0bb Fix bug in which empty block would not have mark bits cleared 2024-08-21 10:16:00 +02:00
Zheng Junjie
1f6f5aeab7
fix guile.md link 2024-08-14 22:36:50 +08:00
Andy Wingo
ea15d142fc Update documentation 2024-08-05 15:19:07 +02:00
Andy Wingo
e40b224faf Attempt to dynamically choose whether to atomically forward 2024-08-05 15:03:24 +02:00
Andy Wingo
12eb0e0c42 Update documentation 2024-08-05 14:47:32 +02:00
Andy Wingo
1925f84d3a Add missing file 2024-08-05 14:44:34 +02:00
Andy Wingo
37e57f8c8d Add serial copying collector 2024-08-05 14:41:04 +02:00
Andy Wingo
0ee58abb46 Add gc_finalizer_priority_count to gc-embedder-api.h 2024-08-05 11:56:46 +02:00
Andy Wingo
d3383ad911 Bulk-zero copy-space blocks 2024-08-05 11:48:25 +02:00
Andy Wingo
4c6889b751 Factor copy space out of pcc 2024-08-05 11:40:58 +02:00
Andy Wingo
6c5cdd73c9 refactor pcc. no functional change 2024-07-29 11:31:52 +02:00
Andy Wingo
22f5b44330 Docs docs 2024-07-27 22:34:43 +02:00
Andy Wingo
50e90a026a Docs docs 2024-07-27 22:33:56 +02:00
Andy Wingo
3ce0899729 Docs docs 2024-07-27 22:32:08 +02:00
Andy Wingo
9b2677a57b Docs docs 2024-07-27 22:30:42 +02:00
Andy Wingo
cc6b1c1fb5 typos 2024-07-27 22:28:55 +02:00
Andy Wingo
ab5071f97a Rework docs 2024-07-27 22:26:24 +02:00
Andy Wingo
3d4d4d047c Fix BDW finalization; ensure pending set is marked 2024-07-24 10:01:16 +02:00
Andy Wingo
c7309a9657 Ensure fired finalizers are traced 2024-07-24 09:54:15 +02:00
Andy Wingo
068e0e5cdf Add benchmark for finalizers 
Doesn't quite work on BDW yet.
 2024-07-24 09:51:56 +02:00
Andy Wingo
f6057184e1 Add finalizers 2024-07-23 22:33:29 +02:00
Andy Wingo
9167dbb5f6 Fix returning partially allocated blocks that are actually full 2024-07-12 09:06:26 +02:00
Andy Wingo
64c7d73fa2 Add partially allocated block list. 
Stopping a mutator or evacuator adds to this list.
 2024-07-11 22:15:59 +02:00
Andy Wingo
c556dedb56 Add pcc collector to docs 2024-07-11 21:07:26 +02:00
Andy Wingo
d5ef140dfe Add parallel copying collector 2024-07-11 15:54:15 +02:00
Andy Wingo
c226570a81 Fix parallel tracer to force workers to be stopped during pauses 2024-07-11 15:54:15 +02:00