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144 commits

Author SHA1 Message Date
Gareth Rees
b36632f54d Keep a ring of segments for each generation. 
Copied from Perforce
 Change: 191031
 ServerID: perforce.ravenbrook.com
 2016-04-12 19:16:19 +01:00
Richard Brooksby
cae4514c1b Merging branch/2016-03-13/defer-write-barrier into master sources. 
Copied from Perforce
 Change: 190380
 ServerID: perforce.ravenbrook.com
 2016-03-24 12:07:20 +00:00
Richard Brooksby
0f3a469fa7 Responding to review by gdr <https://info.ravenbrook.com/mail/2016/03/21/21-05-49/0/>. 
Copied from Perforce
 Change: 190336
 ServerID: perforce.ravenbrook.com
 2016-03-23 14:23:14 +00:00
Richard Brooksby
4204f99d67 Moving quicksort's workspace off the stack to limit mps stack usage. 
Copied from Perforce
 Change: 190332
 ServerID: perforce.ravenbrook.com
 2016-03-23 13:47:55 +00:00
Richard Brooksby
5bc87114ea Counting shield holds and releases, to ensure they are nested correctly. 
Counting the number of unsynced segments in order to check consistency.
Moving the extra shield hold for request.dylan.160098 around actual whitening, and adding a matching shield release.

Copied from Perforce
 Change: 190321
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 2016-03-23 11:59:57 +00:00
Richard Brooksby
b97bd74013 Renaming shield cache to shield queue. 
Copied from Perforce
 Change: 190220
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 2016-03-20 00:46:59 +00:00
Richard Brooksby
e09dbaab0f Promoting shield to first class structure. 
Copied from Perforce
 Change: 190219
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 2016-03-20 00:32:43 +00:00
Richard Brooksby
ff69c9af04 Separating flag for segment in shield cache from depth, clarifying code and optimising segfree somewhat. 
Copied from Perforce
 Change: 190194
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 2016-03-19 13:42:09 +00:00
Richard Brooksby
7ab4a5c7cf Catch-up merge from master sources to branch/2016-03-13/defer-write-barrier. 
Copied from Perforce
 Change: 190175
 ServerID: perforce.ravenbrook.com
 2016-03-17 20:14:47 +00:00
Richard Brooksby
641cdc164c Catch-up merge from master sources to branch/2016-03-11/shield-coalesce. 
Copied from Perforce
 Change: 190150
 ServerID: perforce.ravenbrook.com
 2016-03-17 13:53:40 +00:00
Richard Brooksby
662a1b1b9b Allocate the shield cache. also improve commentary quite a bit. 
Copied from Perforce
 Change: 190147
 ServerID: perforce.ravenbrook.com
 2016-03-17 13:37:40 +00:00
Richard Brooksby
9583c0f68a Merging branch mps/branch/2016-03-13/without-reservation into master sources. 
Copied from Perforce
 Change: 190106
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 2016-03-15 13:19:27 +00:00
Richard Brooksby
26da5b46b0 Catch-up merge from master sources to branch/2014-10-13/format. 
Copied from Perforce
 Change: 190060
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 2016-03-15 10:02:21 +00:00
Richard Brooksby
d4a055f70b Merging branch/2016-03-12/pause into the master sources. 
Copied from Perforce
 Change: 190053
 ServerID: perforce.ravenbrook.com
 2016-03-15 06:31:08 +00:00
Gareth Rees
e034e7aeea Address points made by rb in review <https://info.ravenbrook.com/mail/2016/03/14/18-48-19/0/> 
Copied from Perforce
 Change: 190031
 ServerID: perforce.ravenbrook.com
 2016-03-14 20:10:14 +00:00
Richard Brooksby
ca7dcd913e Basic removal of the reservoir pool from code and design. 
Copied from Perforce
 Change: 190000
 ServerID: perforce.ravenbrook.com
 2016-03-13 20:32:24 +00:00
Richard Brooksby
e89429df8b Can't use count as a bitfield. 
Copied from Perforce
 Change: 189965
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 2016-03-13 14:23:41 +00:00
Richard Brooksby
47dbed0eee Tidying up naming of write barrier deferral. 
Copied from Perforce
 Change: 189960
 ServerID: perforce.ravenbrook.com
 2016-03-13 13:26:24 +00:00
Richard Brooksby
06af849502 Integrating write barrier deferral changes from branch/2014-08-18/non-incremental. 
p4 integrate branch/2014-08-18/non-incremental/...@186975,186988 branch/2016-03-13/defer-write-barrier/...

Copied from Perforce
 Change: 189943
 ServerID: perforce.ravenbrook.com
 2016-03-13 11:27:21 +00:00
Gareth Rees
31de518300 Catch-up merge from branch/2015-08-25/tradeoff to branch/2016-03-12/pause (to pick up the morework value in arenapoll). 
Copied from Perforce
 Change: 189918
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 2016-03-12 20:32:41 +00:00
Gareth Rees
f9041d9a20 Documentation and interface for pause time control (no implementation yet). 
Copied from Perforce
 Change: 189915
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 2016-03-12 20:25:33 +00:00
Richard Brooksby
275770ed43 Catch-up merge from master sources to branch/2015-08-25/tradeoff. 
Copied from Perforce
 Change: 189891
 ServerID: perforce.ravenbrook.com
 2016-03-12 15:13:15 +00:00
Gareth Rees
973f5369e1 Rename chain.h to locus.h, for consistency with other modules, where the interface has the same name as the implemention. 
Copied from Perforce
 Change: 189682
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 2016-03-06 18:56:32 +00:00
Richard Brooksby
50384dd478 Fixing terminology from "top" to "hot end" of stack. 
Copied from Perforce
 Change: 189530
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 2016-03-02 10:16:44 +00:00
Richard Brooksby
a3efd2d694 Catch-up merge from branch/2015-08-06/config to remove arenaconfigure. 
Copied from Perforce
 Change: 189335
 ServerID: perforce.ravenbrook.com
 2016-02-25 22:59:06 +00:00
Richard Brooksby
a0e001c000 Catch up merge from master sources. 
Copied from Perforce
 Change: 189130
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 2016-02-10 21:10:25 +00:00
Richard Brooksby
eac348d664 Catch-up merge from masters. 
Copied from Perforce
 Change: 188921
 ServerID: perforce.ravenbrook.com
 2016-01-19 16:22:39 +00:00
Gareth Rees
edf30c06b4 New function mps_root_create_reg_masked applies a mask and pattern test to all words in registers and on the stack when scanning them. this supports tagged references in these locations. 
Consistently use the type "Word *" for pointers into the stack or into saved registers.
Remove TraceScanAreaTagged.

Copied from Perforce
 Change: 188231
 ServerID: perforce.ravenbrook.com
 2015-09-04 12:22:03 +01:00
Gareth Rees
b4db3bd09f Introduce new type work representing a measure of work done by the collector. use this systematically to make the code clearer. 
Copied from Perforce
 Change: 188210
 ServerID: perforce.ravenbrook.com
 2015-09-03 13:01:55 +01:00
Gareth Rees
511ec1c025 Catch-up merge from branch/2015-08-10/arena-create to branch/2015-08-06/config. 
Copied from Perforce
 Change: 188104
 ServerID: perforce.ravenbrook.com
 2015-08-10 12:49:36 +01:00
Gareth Rees
6359b0ed98 Merge branch/2014-09-29/reserved into the master sources. 
Copied from Perforce
 Change: 188090
 ServerID: perforce.ravenbrook.com
 2015-08-07 16:33:43 +01:00
Gareth Rees
703c1ee5f5 New function mps_arena_configure provides keyword argument interface to changing the properties of an arena. 
New keyword arguments MPS_KEY_ARENA_COMMIT_LIMIT and MPS_KEY_SPARE_ARENA_COMMIT_LIMIT can be passed to mps_arena_create_k or mps_arena_configure.
Deprecate mps_arena_commit_limit_set and mps_arena_spare_commit_limit_set.

Copied from Perforce
 Change: 188085
 ServerID: perforce.ravenbrook.com
 2015-08-06 17:02:51 +01:00
Gareth Rees
abbdcfc59f Assert if a thread dies while registered, but make a best effort to continue working after the assertion, by marking the thread as dead and moving it to a ring of dead threads. 
Copied from Perforce
 Change: 187393
 ServerID: perforce.ravenbrook.com
 2014-10-25 17:41:42 +01:00
Gareth Rees
4ce030ad13 Use a reference count to discover cases where a format is deleted when a pool is still using it, as suggested by rb <https://info.ravenbrook.com/mail/2014/10/16/13-35-06/0/>. 
Copied from Perforce
 Change: 187279
 ServerID: perforce.ravenbrook.com
 2014-10-16 22:59:00 +01:00
Gareth Rees
72a38afb68 Remove unused pool {fill,empty}{mutator,internal}size statistics. 
Copied from Perforce
 Change: 187270
 ServerID: perforce.ravenbrook.com
 2014-10-14 22:37:55 +01:00
Gareth Rees
f65f1db83e Attach the pools using a format to a ring in the format, so that when we destroy the format, we can check that no pools are using it. 
Copied from Perforce
 Change: 187253
 ServerID: perforce.ravenbrook.com
 2014-10-13 22:44:20 +01:00
Gareth Rees
72209444c0 Store reserved address space associated with chunk in a field in the chunkstruct, as suggested by rb in <https://info.ravenbrook.com/mail/2014/10/01/13-55-44/0/>. 
Copied from Perforce
 Change: 187104
 ServerID: perforce.ravenbrook.com
 2014-10-01 21:40:50 +01:00
Gareth Rees
53c5301a9e Instead of iterating over the chunks to compute the total reserved address space, maintain a running total in arenachunkinsert and (new function) arenachunkremoved. 
New arena class method chunkReserved handles the class-specific computation of the reserved size of a chunk.

Copied from Perforce
 Change: 187089
 ServerID: perforce.ravenbrook.com
 2014-09-29 22:50:46 +01:00
Gareth Rees
21f6addf6c Rename mps_class_t to mps_pool_class_t for clarity. 
Retain a typedef for mps_class_t for backwards compatibility.

Copied from Perforce
 Change: 187065
 ServerID: perforce.ravenbrook.com
 2014-09-27 13:37:38 +01:00
Gareth Rees
7c2e271e60 Rename segpref to locuspref -- this structure describes preferences for the placement of any kind of address, not just segments. 
Add LocusPrefDescribe and use it in MVFFDescribe.

Copied from Perforce
 Change: 187061
 ServerID: perforce.ravenbrook.com
 2014-09-27 11:27:00 +01:00
David Lovemore
b4460043e6 Added more control over write barrier. in particular separated scans after a hit. 
Copied from Perforce
 Change: 186988
 ServerID: perforce.ravenbrook.com
 2014-08-27 11:21:18 +01:00
David Lovemore
46d723c9dc Added experimental control over write barrier eagerness. 
The write barrier is only raised after three unnecessary scans.

Copied from Perforce
 Change: 186975
 ServerID: perforce.ravenbrook.com
 2014-08-21 15:53:57 +01:00
David Lovemore
8c9353fe34 Add mps_key_arena_incremental option. 
Avoid read and write barrier in non-incremental mode.
Add --non-incremental option to gcbench

Copied from Perforce
 Change: 186969
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 2014-08-20 13:03:20 +01:00
Gareth Rees
a13a1aa1df Catch-up merge from master sources @186564 to branch/2014-06-11/grain. 
Copied from Perforce
 Change: 186572
 ServerID: perforce.ravenbrook.com
 2014-06-13 15:30:46 +01:00
Gareth Rees
100405cac2 Restore the chunk ring. 
Copied from Perforce
 Change: 186558
 ServerID: perforce.ravenbrook.com
 2014-06-13 12:31:47 +01:00
Gareth Rees
08f341fcc9 Catch-up merge from master sources @186540 to branch/2014-05-17/chunk-tree. 
Copied from Perforce
 Change: 186546
 ServerID: perforce.ravenbrook.com
 2014-06-12 17:55:16 +01:00
Gareth Rees
bfb0b771dd Rename "arena alignment" to "arena grain size" to avoid confusion with ordinary structure alignment. 
Copied from Perforce
 Change: 186503
 ServerID: perforce.ravenbrook.com
 2014-06-11 17:13:03 +01:00
Gareth Rees
de2a30d207 Catch-up merge from master sources @186481 to branch/2014-05-17/chunk-tree. 
Copied from Perforce
 Change: 186491
 ServerID: perforce.ravenbrook.com
 2014-06-11 13:52:31 +01:00
Gareth Rees
5969ae2114 Catch-up merge from branch/2014-04-15/mvffnoseg @186485 to branch/2014-05-15/size. 
Copied from Perforce
 Change: 186487
 ServerID: perforce.ravenbrook.com
 2014-06-11 13:17:14 +01:00
Gareth Rees
181767e4db Split land iteration into two functions, one which deletes ranges, the other which does not. 
Copied from Perforce
 Change: 186298
 ServerID: perforce.ravenbrook.com
 2014-05-25 19:26:48 +01:00