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218 commits

Author SHA1 Message Date
Gareth Rees
00a4ade456 Move scan method from pool class to segment class.
Copied from Perforce
 Change: 193012
 ServerID: perforce.ravenbrook.com
2017-03-29 19:17:17 +01:00
Gareth Rees
db5db0a9f3 Move reclaim method from pool class to segment class.
Copied from Perforce
 Change: 193007
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2017-03-29 17:13:45 +01:00
Gareth Rees
07adf64ebb Move whiten method from pool class to segment class.
Copied from Perforce
 Change: 193002
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2017-03-29 16:22:14 +01:00
Gareth Rees
47a1715c2d Move greyen method from pool class to segment class.
Copied from Perforce
 Change: 192997
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2017-03-29 15:58:32 +01:00
Gareth Rees
1dc5ac742a Move the blacken method from the pool class to the segment class.
Copied from Perforce
 Change: 192994
 ServerID: perforce.ravenbrook.com
2017-03-29 15:32:17 +01:00
Gareth Rees
587a3efb20 Remove unused pool class methods tracebegin and traceend.
Remove unused event AMCTraceEnd.
The fixEmergency method must have the same type as the fix method because of how they are used.

Copied from Perforce
 Change: 192636
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2016-10-19 14:07:20 +01:00
Gareth Rees
91551170b1 Remove return statements that have no effect.
Copied from Perforce
 Change: 192529
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2016-10-13 15:17:50 +01:00
Gareth Rees
7473718e0a Catch-up merge from master sources to branch/2016-04-13/mortality.
Copied from Perforce
 Change: 192192
 ServerID: perforce.ravenbrook.com
2016-09-05 16:17:04 +01:00
Gareth Rees
331ec20beb Catch-up merge from master sources to branch/2016-04-12/job004000.
Copied from Perforce
 Change: 192187
 ServerID: perforce.ravenbrook.com
2016-09-05 16:01:17 +01:00
Gareth Rees
55adbe705d Fix assertion text in the manual.
Place a cross-reference by each assertion the appears in the manual, to assist in keeping the manual up to date.

Copied from Perforce
 Change: 192097
 ServerID: perforce.ravenbrook.com
2016-09-02 14:11:08 +01:00
Gareth Rees
fa2fced306 Clear the emergency before removing the trace from busytraces, to avoid violating <code/global.c#emergency.invariant>.
Copied from Perforce
 Change: 191774
 ServerID: perforce.ravenbrook.com
2016-05-02 13:06:07 +01:00
Gareth Rees
e38b71547d Catch-up merge from branch/2016-04-12/job004000 to branch/2016-04-13/mortality.
Copied from Perforce
 Change: 191513
 ServerID: perforce.ravenbrook.com
2016-04-21 18:20:54 +01:00
Gareth Rees
aba1c55487 Catch-up merge from master sources to branch/2016-04-12/job004000.
Copied from Perforce
 Change: 191429
 ServerID: perforce.ravenbrook.com
2016-04-21 10:52:18 +01:00
Gareth Rees
5581b66e91 Merge branch/2016-04-19/job004011.
Copied from Perforce
 Change: 191374
 ServerID: perforce.ravenbrook.com
2016-04-20 16:00:43 +01:00
Gareth Rees
04e129be5c Ensure that at most one collection of the world can be started in a call to arenapoll. this avoids a loop if the live set is large enough to provoke the "dynamic criterion".
Copied from Perforce
 Change: 191274
 ServerID: perforce.ravenbrook.com
2016-04-19 18:17:09 +01:00
Gareth Rees
612a45423d Remove tracestatcondemn event -- contains no information not already emitted by the tracestart event.
Copied from Perforce
 Change: 191185
 ServerID: perforce.ravenbrook.com
2016-04-16 12:41:38 +01:00
Gareth Rees
942bee5823 Compile out statistic declarations in non-statistical varieties (at the cost of some syntax checking).
Add some missing STATISTIC guards where statistics are used.
Add design documentation.
Avoid unnecessary distinction between STATISTIC and STATISTIC_STAT (both result in statements).

Copied from Perforce
 Change: 191178
 ServerID: perforce.ravenbrook.com
2016-04-16 12:07:10 +01:00
Gareth Rees
3174eba71e Maintain a moving average of the mortality of each generation.
Copied from Perforce
 Change: 191081
 ServerID: perforce.ravenbrook.com
2016-04-13 15:19:50 +01:00
Gareth Rees
4d1e8f06fe Handle failed traceaddwhite in policycondemnchain and arenarootswalk.
Copied from Perforce
 Change: 191040
 ServerID: perforce.ravenbrook.com
2016-04-12 20:58:33 +01:00
Gareth Rees
7eeb2e8b78 Condemn only the segments in the selected generations (not segments that happen to share a zone with any segment ever allocated in the generation).
Copied from Perforce
 Change: 191034
 ServerID: perforce.ravenbrook.com
2016-04-12 19:42:03 +01:00
Gareth Rees
a0661db49e Fix mistake (need trace->arena here).
Copied from Perforce
 Change: 190948
 ServerID: perforce.ravenbrook.com
2016-04-11 19:47:11 +01:00
Gareth Rees
761d212e14 In change 188204 we avoided creating and progressing traces with nothing condemned. but traces had one other effect: they called arenacompact via tracereclaim. restore the arenacompact for traces that failed to condemn anything.
Copied from Perforce
 Change: 190931
 ServerID: perforce.ravenbrook.com
2016-04-11 18:08:08 +01:00
Richard Brooksby
e27b3ce6a8 Don't allow pools to whiten segments without condemning objects, so that a condemned size of zero implies no white segments, allowing quick trace destruction.
Copied from Perforce
 Change: 190607
 ServerID: perforce.ravenbrook.com
2016-03-31 23:41:46 +01:00
Richard Brooksby
ff35af0f15 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
bcd30514d9 Forgot shieldhold/shieldrelease in tracecondemnzones. caught by hot builds of amcssth.
Copied from Perforce
 Change: 190344
 ServerID: perforce.ravenbrook.com
2016-03-23 15:48:58 +00:00
Richard Brooksby
541ca77662 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
 ServerID: perforce.ravenbrook.com
2016-03-23 11:59:57 +00:00
Richard Brooksby
3ed0bc9440 Reorganising shield design and updating.
Renaming ShieldSuspend to ShieldHold and ShieldResume to ShieldRelease to reduce confusion.

Copied from Perforce
 Change: 190320
 ServerID: perforce.ravenbrook.com
2016-03-23 08:20:29 +00:00
Richard Brooksby
b8c51be19d Tidying up and adding cross references to shiny new design document.
Copied from Perforce
 Change: 190213
 ServerID: perforce.ravenbrook.com
2016-03-19 23:07:53 +00:00
Richard Brooksby
1efb458183 Removing bogus todo.
Copied from Perforce
 Change: 190212
 ServerID: perforce.ravenbrook.com
2016-03-19 19:40:00 +00:00
Richard Brooksby
dce6e063d1 Deferring non-urgent fixmes to todos.
Copied from Perforce
 Change: 190190
 ServerID: perforce.ravenbrook.com
2016-03-19 08:34:30 +00:00
Richard Brooksby
7ee20c87a6 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
7880c31aa9 Shield cache that grows. improving commentary.
Copied from Perforce
 Change: 190160
 ServerID: perforce.ravenbrook.com
2016-03-17 16:55:14 +00:00
Gareth Rees
2a3c4e0590 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
83fc7866c9 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
0b3c65766e Fixing incomplete merge that missed out disabling the write barrier, but corrupted the segment summaries.
Copied from Perforce
 Change: 189954
 ServerID: perforce.ravenbrook.com
2016-03-13 12:16:01 +00:00
Richard Brooksby
54de13427b 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
Richard Brooksby
32d42e00cd 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
4623be4a03 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
 ServerID: perforce.ravenbrook.com
2016-03-06 18:56:32 +00:00
Richard Brooksby
14774ccd06 Eliminating closure_size from area scanners and root registration functions, as it isn't all that useful.
Copied from Perforce
 Change: 189491
 ServerID: perforce.ravenbrook.com
2016-03-01 15:59:06 +00:00
Richard Brooksby
3804af1803 Catch-up merge from master sources to branch/2015-09-04/stack.
Copied from Perforce
 Change: 189370
 ServerID: perforce.ravenbrook.com
2016-02-27 00:54:00 +00:00
Richard Brooksby
078ac268d5 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
b929dbbe4c Moving scanning accounting to tracescanarea and creating analogous formatscan.
Copied from Perforce
 Change: 189325
 ServerID: perforce.ravenbrook.com
2016-02-19 12:11:50 +00:00
Richard Brooksby
4487895475 Detabifying code and restructuredtext files.
Copied from Perforce
 Change: 189309
 ServerID: perforce.ravenbrook.com
2016-02-18 19:58:13 +00:00
Richard Brooksby
f8341520c2 Catch-up merge from master sources.
Copied from Perforce
 Change: 189265
 ServerID: perforce.ravenbrook.com
2016-02-17 11:04:51 +00:00
Richard Brooksby
ae80015f4b Lifting assumptions about area scanners closer to interface.
Copied from Perforce
 Change: 189191
 ServerID: perforce.ravenbrook.com
2016-02-15 16:46:09 +00:00
Richard Brooksby
7df6c140f8 Generalising tracescanarea to be a checking wrapper for all area scanners.
Copied from Perforce
 Change: 189190
 ServerID: perforce.ravenbrook.com
2016-02-15 15:44:57 +00:00
Richard Brooksby
85a2d8683f Lifting and generalising area scanners to allow flexible tagging schemes.
Copied from Perforce
 Change: 189189
 ServerID: perforce.ravenbrook.com
2016-02-15 15:30:08 +00:00
Richard Brooksby
0277d49079 Lifting area scanners into client-side code.
These versions also produce tighter loops under Clang.

Copied from Perforce
 Change: 189188
 ServerID: perforce.ravenbrook.com
2016-02-14 00:57:28 +00:00
Richard Brooksby
27730a09d7 Fixing misuse of format header offset to decode tagging. see <https://info.ravenbrook.com/mail/2016/02/11/17-20-12/0/> point 5.
Copied from Perforce
 Change: 189134
 ServerID: perforce.ravenbrook.com
2016-02-11 21:32:41 +00:00
Richard Brooksby
31870a9b95 Renaming tracescanareamasked to tracescanareatagged
Copied from Perforce
 Change: 189133
 ServerID: perforce.ravenbrook.com
2016-02-11 20:39:57 +00:00