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Author SHA1 Message Date
Andy Wingo
9176aa650f Fix BDW ephemeron implementation 
* src/gc-ephemeron.c: Use key null-ness as dead ephemeron indicator;
works better with BDW-GC's disappearing link.
* src/bdw.c (gc_heap_ephemeron_trace_epoch): Fix to actually define the
epoch.  Whoops!
 2023-10-20 11:44:38 +02:00
Andy Wingo
cfc8c8a9b8 Allow embedder to request a major GC 2023-10-18 16:34:20 +02:00
Andy Wingo
0c7bdacc51 Revert "Allow embedder to request a major GC" 
This reverts commit f39e6ee69f0aa2e14227a019a5332ba129418977.
 2023-10-18 15:13:41 +02:00
Andy Wingo
514dcc702e Allow embedder to request a major GC 2023-10-18 15:13:41 +02:00
Andy Wingo
8aa2036331 Fix optdebug warnings 2023-10-18 15:13:41 +02:00
Andy Wingo
9ce8ee2921 Fix unused API, outdated assertion 2023-10-17 21:45:06 +02:00
Andy Wingo
a6e34c3594 Don't abort semi if parallelism > 1 
Re-interpret parallelism option as a maximum.
 2023-10-16 21:36:27 +02:00
Andy Wingo
44a4e1c131 Add manual links 2023-10-16 12:45:13 +02:00
Andy Wingo
4d3e8c30d7 Update manual 2023-10-16 12:43:09 +02:00
Andy Wingo
5130380ae5 Rework stats collection to use listener interface 2023-10-16 12:13:08 +02:00
Andy Wingo
c7499740c9 Fix GCC detection 
Doh
 2023-10-07 23:10:33 +02:00
Andy Wingo
3c63de9b9d bdw: Turn off all_interior_pointers 
Quoth gc_inline.h, which makes freelists:

/* Note that for these routines, it is the clients responsibility to    */
/* add the extra byte at the end to deal with one-past-the-end pointers.*/
/* In the standard collector configuration, the collector assumes that  */
/* such a byte has been added, and hence does not trace the last word   */
/* in the resulting object.                                             */
/* This is not an issue if the collector is compiled with               */
/* DONT_ADD_BYTE_AT_END, or if GC_all_interior_pointers is not set.     */
 2023-10-07 23:09:10 +02:00
Andy Wingo
9936d98f70 Rework heap marking 2023-10-02 22:48:59 +02:00
Andy Wingo
d56356fec7 Add gc_safepoint_mechanism gc attr 2023-10-02 22:47:35 +02:00
Andy Wingo
41591d8722 bdw: Ensure heap and mutators are live 
Before, we were relying on the heap and mutators being reachable from
roots.  This is no longer the case.
 2023-09-30 21:58:46 +02:00
Andy Wingo
4d1358219b Fix amazing error in bdw.c 2023-09-22 15:19:55 +02:00
Andy Wingo
120cd91b02 Use -flto=auto to do LTO in parallel 2023-09-22 14:44:21 +02:00
Andy Wingo
296e5e8458 BDW collector marks mutator/heap roots 
Needed if a mutator has off-heap (mmap) storage.
 2023-09-21 10:08:23 +02:00
Andy Wingo
dc013cfb58 Change gc_allocate_ephemeron to return struct gc_ephemeron 2023-09-11 11:48:32 +02:00
Andy Wingo
db36c48efd Update extern space API to allow for evacuation 2023-08-16 11:08:12 +02:00
Andy Wingo
fbe49598f5 Add "extern space" 
This is mostly for static data.
 2023-08-15 11:38:11 +02:00
Andy Wingo
da5a4633df embed.mk: silent by default, bis 2023-08-12 10:26:12 +02:00
Andy Wingo
3f92f36947 embed.mk: silent by default 2023-08-12 10:23:29 +02:00
Andy Wingo
a3019c961a embed.mk fix 2023-08-11 23:17:59 +02:00
Andy Wingo
9c1a7649b4 Update embed.mk 2023-08-10 21:49:55 +02:00
Andy Wingo
e4191f44c6 First stab at an embedder's makefile snippet 2023-08-09 22:16:03 +02:00
Andy Wingo
19f66fab08 Bin in bin, obj in obj; prettify makefile 2023-08-09 21:42:57 +02:00
Andy Wingo
8f93e23a5f DRY for whippet variant cflags 2023-08-09 21:24:41 +02:00
Andy Wingo
f9330f789c Attempt to do more DRY with whippet variants 2023-08-08 14:56:30 +02:00
Andy Wingo
5fdfd1175e Use foreach and eval to generate benchmark x collector rules 2023-08-08 14:39:31 +02:00
Andy Wingo
498d0537f3 Simplify makefile 2023-08-07 11:02:57 +02:00
Andy Wingo
1c76cdcf07 Put deps in subdir 2023-08-07 10:55:30 +02:00
Andy Wingo
07d7df1952 Update benchmark target names 2023-08-07 09:28:45 +02:00
Andy Wingo
2e8a0b3874 Add automatic dependency tracking 2023-08-06 22:20:53 +02:00
Andy Wingo
e6de2fd633 Reorganize source tree and document 2023-08-06 12:04:33 +02:00
Andy Wingo
5fbd21a7c3 Add USER-GUIDE.md 2023-08-06 10:43:42 +02:00
Andy Wingo
e270290242 Allow large object space to be part of remembered set 2023-03-15 09:34:12 +01:00
Andy Wingo
d0b8f6838d Rework fast/slow path alloc API 
This lets users do gc_allocate_fast() and know that if they got a
non-NULL result, we could allocate without GC, and so no object was
moved.
 2023-03-14 14:35:20 +01:00
Andy Wingo
62f4b045f8 BDW supports growable heap 2023-02-28 22:02:49 +01:00
Andy Wingo
51168fd96e ephemerons benchmark takes gc options 2023-02-28 11:30:51 +01:00
Andy Wingo
f657cd3847 quads benchmark takes gc-options param 2023-02-28 11:24:33 +01:00
Andy Wingo
157037dd1f Fix parallelism in quads benchmark 2023-02-28 11:20:50 +01:00
Andy Wingo
9576558a34 Rework mtbench to take GC options string instead of parallelism 2023-02-28 11:19:42 +01:00
Andy Wingo
f15eb3bd10 Add enum heap policy parsing 2023-02-28 11:19:42 +01:00
Andy Wingo
898f7aa935 Implement resizing of semi-space heap 
Not yet hooked up to any demo, though.
 2023-02-28 11:19:39 +01:00
Andy Wingo
c42c538aaa gc_init takes const gc_options 2023-02-28 09:40:28 +01:00
Andy Wingo
8edfd42ca1 Rework semi-space collector to separate regions 
This is a preparation for heap growth and shrinking.
 2023-02-28 09:40:28 +01:00
Andy Wingo
f0ad02d6ee Fix parsing options from string, doh 2023-02-28 09:40:28 +01:00
Andy Wingo
4cb26e0144 Rework options interface 
Users will want to set options from an environment variable or something
like that.  Particular GC implementations will want to expose an
expanded set of options.  For these reasons we make the options
interface a bit more generalized and include parsing.
 2023-02-15 20:07:14 +01:00
Andy Wingo
499ff1fe76 Update README 2023-01-23 20:57:02 +01:00