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2275 commits

Author SHA1 Message Date
Gareth Rees
ffcd3f0b7b Merge branch/2016-04-11/job003998. 
Copied from Perforce
 Change: 191388
 ServerID: perforce.ravenbrook.com
 2016-04-20 17:56:59 +01:00
Gareth Rees
68fd97647f Pass the -p (posix output) option to /usr/bin/time so that the results are portable between os x and linux. 
Copied from Perforce
 Change: 191378
 ServerID: perforce.ravenbrook.com
 2016-04-20 16:19:38 +01:00
Gareth Rees
0d0eb93f01 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
a5973e98f8 Merge branch/2016-04-19/job004007. 
Copied from Perforce
 Change: 191371
 ServerID: perforce.ravenbrook.com
 2016-04-20 15:56:32 +01:00
Gareth Rees
8a19bd5e8c Initialize arena->zoneshift to zoneshiftunset (which is not a valid shift) and modify the arena checking to spot this value. previously a default shift value (namely 20) was used, but this value was bogus as the zone shift is not determined until the class initialization runs. 
Copied from Perforce
 Change: 191370
 ServerID: perforce.ravenbrook.com
 2016-04-20 15:51:16 +01:00
Gareth Rees
c5456223c1 Performance ratio test uses cpu time (not real time). use awk instead of dc to avoid having to install a package. 
Copied from Perforce
 Change: 191365
 ServerID: perforce.ravenbrook.com
 2016-04-20 15:07:22 +01:00
Gareth Rees
655e358db4 Add a test checking that the hot variety is not too much slower than the rash variety. turn this on for continuous integration testing via "make test". 
Copied from Perforce
 Change: 191339
 ServerID: perforce.ravenbrook.com
 2016-04-20 13:15:18 +01:00
Gareth Rees
3f41c3fba4 Discard all messages retrieved from the queue. 
Copied from Perforce
 Change: 191317
 ServerID: perforce.ravenbrook.com
 2016-04-20 09:35:27 +01:00
Gareth Rees
21bb1c84b1 Address comments made by rb in review: 
* Clearer name for the amcseg->buffered flag.
* Better explanation of the meaning of this flag.
* Explain how an AMC segment can be buffered but not accounted as buffered.

Copied from Perforce
 Change: 191298
 ServerID: perforce.ravenbrook.com
 2016-04-19 20:38:33 +01:00
Gareth Rees
2df530bb62 Make it clear where tags are defined and where they are referenced, as suggested by rb in review. 
Copied from Perforce
 Change: 191288
 ServerID: perforce.ravenbrook.com
 2016-04-19 19:24:46 +01:00
Gareth Rees
c1aeb1f67a 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
e8a7c408be Infinity was new in c99 so use huge_val instead. 
Copied from Perforce
 Change: 191254
 ServerID: perforce.ravenbrook.com
 2016-04-19 16:38:20 +01:00
Gareth Rees
99303979de Give buffers their own account in the pool generation accounting system. this ensures that buffers don't contribute to the "new size" of a generation, and so don't provoke collections of that generation. 
Copied from Perforce
 Change: 191243
 ServerID: perforce.ravenbrook.com
 2016-04-19 16:02:16 +01:00
Gareth Rees
94234f7ce9 No need to declare or set vmem1 if we are not going to use it. this avoids "variable ‘vmem1’ set but not used" warning from gcc. 
Copied from Perforce
 Change: 191199
 ServerID: perforce.ravenbrook.com
 2016-04-16 14:14:31 +01:00
Gareth Rees
b6f2ae3d67 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
aabe4992eb 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
0f44970f70 Snc contains formatted objects and so must get its alignment from the format. 
Copied from Perforce
 Change: 191142
 ServerID: perforce.ravenbrook.com
 2016-04-14 15:45:41 +01:00
Gareth Rees
aea3930a48 Add missing test target sncss.exe. 
Copied from Perforce
 Change: 191139
 ServerID: perforce.ravenbrook.com
 2016-04-14 15:35:12 +01:00
Gareth Rees
a69a06ee56 Avoid "warning c4334: '<<' : result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?)" from microsoft visual c. 
Copied from Perforce
 Change: 191138
 ServerID: perforce.ravenbrook.com
 2016-04-14 15:33:33 +01:00
Gareth Rees
dd8f8c0906 Merge branch/2015-08-11/compact into the master sources. 
Copied from Perforce
 Change: 191113
 ServerID: perforce.ravenbrook.com
 2016-04-14 12:49:13 +01:00
Gareth Rees
034d378148 Merge branch/2014-10-11/snc into the master sources. 
Copied from Perforce
 Change: 191102
 ServerID: perforce.ravenbrook.com
 2016-04-13 17:52:34 +01:00
Gareth Rees
63b2875a62 Fix call broken by catch-up merge. 
Copied from Perforce
 Change: 191066
 ServerID: perforce.ravenbrook.com
 2016-04-13 13:13:41 +01:00
Gareth Rees
77b12d3ee7 Catch-up merge from master sources to branch/2014-10-11/snc. 
Copied from Perforce
 Change: 191065
 ServerID: perforce.ravenbrook.com
 2016-04-13 13:07:19 +01:00
Gareth Rees
13f8353d6e A lightweight pop is not safe for automatically managed pools, so check attrgc first. 
Copied from Perforce
 Change: 191055
 ServerID: perforce.ravenbrook.com
 2016-04-13 11:55:35 +01:00
Richard Brooksby
f650061dab Guarding eventinit with the global lock, and removing the enforcement of the reference count, so that the event system can be used from classes, which get called before any arena. 
Copied from Perforce
 Change: 191018
 ServerID: perforce.ravenbrook.com
 2016-04-12 18:16:06 +01:00
Gareth Rees
13ec8a0e2c When growing an arena: (i) don't create a chunk that's too small for the allocation that's going to follow; (ii) don't create a chunk that's larger than necessary. 
Copied from Perforce
 Change: 190952
 ServerID: perforce.ravenbrook.com
 2016-04-11 20:33:38 +01:00
Gareth Rees
470b157620 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
d16b1f6fff Remove printf -- we should use telemetry instead. 
Copied from Perforce
 Change: 190947
 ServerID: perforce.ravenbrook.com
 2016-04-11 19:46:21 +01:00
Gareth Rees
6ee4c8534d 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
Gareth Rees
86c96d8455 Assert that the range passed to landinsert is not empty. 
Assert that the range passed to ArenaFreeLandInsert is not empty.
Assert that there's address space left over in a chunk after the overheads have been accounted for.

Copied from Perforce
 Change: 190920
 ServerID: perforce.ravenbrook.com
 2016-04-11 16:09:51 +01:00
Gareth Rees
b8ea44a99f Catch-up merge from master sources to branch/2015-08-11/compact. 
Copied from Perforce
 Change: 190901
 ServerID: perforce.ravenbrook.com
 2016-04-11 14:40:44 +01:00
Richard Brooksby
003e4ee580 Updating copyright date to current year. 
Copied from Perforce
 Change: 190707
 ServerID: perforce.ravenbrook.com
 2016-04-05 11:30:42 +01:00
Richard Brooksby
7fd416c8b0 Updating .p4ignore files with miscellaneous entries collected from work with git. 
Copied from Perforce
 Change: 190702
 ServerID: perforce.ravenbrook.com
 2016-04-05 11:27:30 +01:00
Richard Brooksby
845e66778d Fixing horrible intialization of segment class by poking before calling seginit. 
Copied from Perforce
 Change: 190694
 ServerID: perforce.ravenbrook.com
 2016-04-04 23:28:28 +01:00
Richard Brooksby
a2931bfddb Linking .p4ignore to .gitignore to share configuration between perforce and git. 
Copied from Perforce
 Change: 190667
 ServerID: perforce.ravenbrook.com
 2016-04-04 19:20:26 +01:00
Richard Brooksby
19a55b06d8 Adding new build directories to .p4ignore. 
Copied from Perforce
 Change: 190643
 ServerID: perforce.ravenbrook.com
 2016-04-02 15:54:24 +01:00
Richard Brooksby
a53339fed3 Protecting some segment accessor macros with rvalue. 
Removing duplicate definition of SegPoolRing.

Copied from Perforce
 Change: 190642
 ServerID: perforce.ravenbrook.com
 2016-04-02 15:53:57 +01:00
Richard Brooksby
ba9d203b1d Don't attempt to merge a non-white segment with a white one. 
Copied from Perforce
 Change: 190634
 ServerID: perforce.ravenbrook.com
 2016-04-02 12:07:46 +01:00
Richard Brooksby
dc5632de9a Fixing default behaviour for merging segments with differing summaries and therefore write barriers. 
Copied from Perforce
 Change: 190629
 ServerID: perforce.ravenbrook.com
 2016-04-02 09:18:58 +01:00
Richard Brooksby
27e38efbda 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
b9f6d7d1c7 Cherry-picking low-risk fix for job003880. see <https://info.ravenbrook.com/mail/2016/03/29/20-23-20/0/>. 
Copied from Perforce
 Change: 190579
 ServerID: perforce.ravenbrook.com
 2016-03-31 12:30:00 +01:00
Richard Brooksby
956f09bc2d Reducing over-ambitious random alignment increases in apss test. 
Copied from Perforce
 Change: 190575
 ServerID: perforce.ravenbrook.com
 2016-03-31 09:28:41 +01:00
Richard Brooksby
e67a9934f1 Cross-referencing comment about non-working debugging aps to job003995. 
Copied from Perforce
 Change: 190477
 ServerID: perforce.ravenbrook.com
 2016-03-27 21:17:53 +01:00
Richard Brooksby
bcc567710b Documenting and checking constraints on mps_key_align on manual pools. 
Copied from Perforce
 Change: 190472
 ServerID: perforce.ravenbrook.com
 2016-03-27 20:48:38 +01:00
Richard Brooksby
36beebd440 Correcting return type of zonesetofrange to a zoneset. 
Copied from Perforce
 Change: 190395
 ServerID: perforce.ravenbrook.com
 2016-03-24 21:59:39 +00:00
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
247396690d Catch-up merge from master sources to branch/2016-03-11/shield-coalesce. 
Copied from Perforce
 Change: 190373
 ServerID: perforce.ravenbrook.com
 2016-03-24 11:08:24 +00:00
Richard Brooksby
428e8bae92 Fixing build errors on windows (w3i6mv). 
tagtest was missing from makefiles.
Implicit conversion warning from Clock to double.

Copied from Perforce
 Change: 190372
 ServerID: perforce.ravenbrook.com
 2016-03-24 11:04:58 +00:00
Richard Brooksby
eb1d39c425 Improving shieldflushentries to allow for delayed protection changes on shieldlower. 
Copied from Perforce
 Change: 190363
 ServerID: perforce.ravenbrook.com
 2016-03-23 19:03:00 +00:00
Richard Brooksby
f3b8479322 Improving commentary: the mutator is suspended, not the arena. 
Copied from Perforce
 Change: 190352
 ServerID: perforce.ravenbrook.com
 2016-03-23 17:55:22 +00:00