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Code Activity
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Author SHA1 Message Date
Andy Wingo
61d38e4205 Refactor mark-sweep to send mutator to collect() 
This will let the mutator hold a pointer to the heap.
 2022-03-29 15:05:33 +02:00
Andy Wingo
edd46d8fe2 Start to adapt mark-sweep collector for separate heap/mutator 
The current hack is that the mutator contains the heap.  We'll relax
later on.
 2022-03-29 15:04:53 +02:00
Andy Wingo
5a92b43e94 Change serial marker to deal in struct gcobj* instead of uintptr 
"struct gcobj*" is how we denote live objects, and the marker will only
see live objects.
 2022-03-29 15:04:20 +02:00
Andy Wingo
81037fd6d2 Convert semi-space collector to new API 2022-03-28 22:18:25 +02:00
Andy Wingo
06a213d1ed Adapt GC API to have separate heap and mutator structs 
Only BDW is adapted, so far.
 2022-03-28 20:49:24 +02:00
Andy Wingo
883a761775 Stub out support for multiple mutator threads on semi, mark-sweep 
For semi probably we never implement support for multiple mutator
threads.  We will do local freelists for mark-sweep though.
 2022-03-20 21:03:26 +01:00
Andy Wingo
a654a790b9 Add inline allocation for small objects for bdw-gc 2022-03-18 22:57:41 +01:00
Andy Wingo
d63288048c Add mt-gcbench 2022-03-18 16:19:42 +01:00
Andy Wingo
e703568857 Remove heap-stretching phase 
We should separate evaluation of the heap stretching heuristics from the
evaluation of the GC itself, otherwise our analysis of the GC itself
will be too sensitive to the details of the final heap size.  Anyway
this doesn't affect results as we already specified the heap size
precisely.
 2022-03-18 14:36:48 +01:00
Andy Wingo
4b7fb84ba0 gcbench takes heap multiplier on command line 2022-03-18 14:29:59 +01:00
Andy Wingo
887bdd5441 Clean up gcbench naming, to be consistent 2022-03-18 09:42:20 +01:00
Andy Wingo
7dda5b992d Refactor pop_handle to not take the handle 2022-03-16 21:36:21 +01:00
Andy Wingo
32ddaa7624 Allocate GC context in GC-managed heap 2022-03-16 21:31:51 +01:00
Andy Wingo
f04b0bbd45 Simplify output of quads test 2022-03-16 14:28:49 +01:00
Andy Wingo
e7a3f83bcc Add quads benchmark 
Also expand GC interface with "allocate_pointerless".  Limit lazy
sweeping to the allocation size that is causing the sweep, without
adding to fragmentation.
 2022-03-16 14:16:22 +01:00
Andy Wingo
aac0faf4cf Refactor type definitions 2022-03-16 09:05:31 +01:00
Andy Wingo
a1b4311cfc Update status 2022-03-13 21:55:58 +01:00
Andy Wingo
a693c4ea8a Bugfix to mark-sweep 
Before this, the last sweep would cause premature gc
 2022-03-13 21:45:20 +01:00
Andy Wingo
fddd4d9416 Hey parallel marking is finally an improvement?? 2022-03-13 21:38:59 +01:00
Andy Wingo
4d7041bfa9 Another attempt at parallel marking, avoiding the channel 
Not great though!
 2022-03-13 13:54:58 +01:00
Andy Wingo
7ce07de670 First crack at parallel marking 2022-03-12 21:09:17 +01:00
Andy Wingo
9c89672c88 Put a local mark queue in front of the work-stealing queue 2022-03-11 11:57:14 +01:00
Andy Wingo
df9edfdff2 Remove tiny objects from mark-sweep 2022-03-11 11:48:26 +01:00
Andy Wingo
f57a1b8a55 Refactor to separate gcbench from gc 2022-03-11 11:48:26 +01:00
Andy Wingo
77ac530360 Add beginnings of parallel marker 2022-03-11 11:48:26 +01:00
Andy Wingo
01d3f9627e Further accelerate sweeping 2022-03-11 11:48:17 +01:00
Andy Wingo
f6ac9d2571 Ability to set heap size on command line 2022-03-11 11:48:04 +01:00
Andy Wingo
5edc4fa81a More efficient sweep 2022-03-11 11:44:11 +01:00
Andy Wingo
5c8a8a2d3e Store mark bits on the side 
Lets the sweeper avoid chasing pointers, and is more amenable to
parallel marking.
 2022-03-11 11:23:58 +01:00
Andy Wingo
91a330e310 More asserts in mark-sweep 2022-03-11 11:23:58 +01:00
Andy Wingo
fb350fb3ff Keep read/write positions when growing queue 2022-03-11 11:23:58 +01:00
Andy Wingo
c612ff3825 Optimize computation of size class from small object granule count 2022-03-11 11:23:58 +01:00
Andy Wingo
cfa7ea31ae Move back to marking objects instead of edges 2022-03-11 11:23:58 +01:00
Andy Wingo
45405efe56 Move to mark queue, is it an improvement? 2022-03-11 11:23:58 +01:00
Andy Wingo
d2828975a5 Switch mark-sweep collector to mark stack 
Slows down performance though!  Have to think here.
 2022-03-11 11:23:58 +01:00
Andy Wingo
502c0455a7 Fix mark-sweep allocator to clear contents 2022-03-11 11:23:43 +01:00
Andy Wingo
e492da2d2b Add heap validation to gcbench 
* GCBench.c (ValidateTree): New function.
 2022-03-11 11:22:01 +01:00
Andy Wingo
7b60164cac Update README 2022-03-07 11:31:28 +01:00
Andy Wingo
7b85284a89 Add mark-sweep collector 2022-03-07 10:23:05 +01:00
Andy Wingo
283721b39a Refactor handling of precise and conservative roots 2022-03-04 15:27:22 +01:00
Andy Wingo
2a619ba67d Add README 2022-03-02 09:17:23 +01:00
Andy Wingo
30b5c8a6c8 Use handle API, add semispace collector 2022-02-28 21:35:28 +01:00
Andy Wingo
2fdfefd2fc handlify 2022-02-23 21:25:26 +01:00
Andy Wingo
25213ccdeb Reindent gcbench 2022-02-23 20:03:32 +01:00
Andy Wingo
869a490ba6 Refactor gcbench.c 2022-02-21 21:22:21 +01:00
Andy Wingo
bdf4b27733 Initial commit 2022-02-21 21:05:18 +01:00