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Author SHA1 Message Date
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
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
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 2016-03-13 11:27:21 +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
Gareth Rees
d0042b7b46 Move arenadefaultzoneset to be adjacent to its todo. 
Add comments for ArenaDefaultZONESET and LocusPrefDEFAULT.

Copied from Perforce
 Change: 188237
 ServerID: perforce.ravenbrook.com
 2015-09-04 15:24:14 +01:00
Gareth Rees
46280a07ab New function policycollectiontime estimates the time needed to collect the arena. mysterious constants are given names and moved to config.h. 
Copied from Perforce
 Change: 188160
 ServerID: perforce.ravenbrook.com
 2015-08-21 15:27:14 +01:00
Gareth Rees
098b4da32d 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
0975646ca3 Analysis justifying the value of stackprobedepth. 
Copied from Perforce
 Change: 187380
 ServerID: perforce.ravenbrook.com
 2014-10-24 10:16:28 +01:00
Gareth Rees
2a49e2eeaf Bring ring design up to date (excepting figures). 
Add links from design documents to mail messages imported from Harlequin.

Copied from Perforce
 Change: 187067
 ServerID: perforce.ravenbrook.com
 2014-09-27 16:11:21 +01:00
Gareth Rees
456d747b61 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
476ce386fe 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
d2439c4be7 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
9da3ff7bee 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
 ServerID: perforce.ravenbrook.com
 2014-08-20 13:03:20 +01:00
David Lovemore
6b47c948ce set control_extend_by to 32768. 
The CONTROL_EXTEND_BY value for the extend by on the control pool was set really small (4096) on the assumption that the control pool was not heavily used. However, since we allocate Seg's in the control pool and recycle them frequently, this assumption is no longer true.

Copied from Perforce
 Change: 186832
 ServerID: perforce.ravenbrook.com
 2014-07-04 15:27:48 +01:00
Gareth Rees
77a7bbbf39 Don't repeat generation sizes in the comments (they could get out of sync). 
Copied from Perforce
 Change: 186827
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 2014-07-04 13:58:34 +01:00
David Lovemore
9beee4a193 Adjust generation sizes for the default chain. 
Add release note recommending retuning of generation sizes.

Copied from Perforce
 Change: 186824
 ServerID: perforce.ravenbrook.com
 2014-07-04 13:32:45 +01:00
Gareth Rees
78507d9df6 Ensure that the amcss test case uses a wide range of arena grain sizes (by scaling up the whole allocation). 
Remove hack from rnd_grain -- this was covering up a bug.
Base the AMC "large" segment determination on the requested object size, not the (rounded up) segment size.
Assert in the case where largeSize < extendBy: this has bad space performance.

Copied from Perforce
 Change: 186755
 ServerID: perforce.ravenbrook.com
 2014-06-30 16:07:09 +01:00
Gareth Rees
9436cada6d Round up the grain size in the client arena to arena_client_grain_size (otherwise the grain might be so small that the page table uses up all the space in the chunk). 
Copied from Perforce
 Change: 186689
 ServerID: perforce.ravenbrook.com
 2014-06-19 14:10:30 +01:00
David Lovemore
3b97cae580 Catch up merge from master/...@186577 
Copied from Perforce
 Change: 186582
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 2014-06-13 16:38:20 +01:00
Gareth Rees
bf97a59af1 Catch-up merge from master sources @186564 to branch/2014-06-11/grain. 
Copied from Perforce
 Change: 186572
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 2014-06-13 15:30:46 +01:00
David Lovemore
bd05f7d321 Updated due to gdr's review comments in mail <https://info.ravenbrook.com/mail/2014/06/13/12-46-29/0/> 
Copied from Perforce
 Change: 186569
 ServerID: perforce.ravenbrook.com
 2014-06-13 15:09:49 +01:00
Gareth Rees
3aabbcfa48 Rename vmgrainsize to vmpagesize (because it is in fact the operating system page size) and to avoid confusion with the arena grain size. 
Copied from Perforce
 Change: 186543
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 2014-06-12 17:18:50 +01:00
Gareth Rees
324aa1801f Need a definition of vman_grain_size. 
Copied from Perforce
 Change: 186509
 ServerID: perforce.ravenbrook.com
 2014-06-11 17:39:57 +01:00
Gareth Rees
41e2d84377 Rename "arena alignment" to "arena grain size" to avoid confusion with ordinary structure alignment. 
Copied from Perforce
 Change: 186503
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 2014-06-11 17:13:03 +01:00
Gareth Rees
365e431f21 Catch-up merge from master sources @186481 to branch/2014-04-15/mvffnoseg. 
Copied from Perforce
 Change: 186484
 ServerID: perforce.ravenbrook.com
 2014-06-11 12:42:58 +01:00
David Lovemore
c14a0e5e3e Amc now respects mps_key_extend_by keyword argument. 
AMC also uses MPS_KEY_LARGE_SIZE keyword argument to specify what size objects need to be to live on their own segment.

Copied from Perforce
 Change: 186480
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 2014-06-11 12:12:44 +01:00
Gareth Rees
331d260bfd Catch-up merge from master sources @186436 to branch/2014-04-08/align. 
Copied from Perforce
 Change: 186439
 ServerID: perforce.ravenbrook.com
 2014-06-08 16:30:53 +01:00
Gareth Rees
75e502fc7b Catch-up merge from master sources @186352 to branch/2014-04-15/mvffnoseg. 
Copied from Perforce
 Change: 186355
 ServerID: perforce.ravenbrook.com
 2014-05-29 16:03:34 +01:00
Gareth Rees
d1c5dfc2d2 Add comment explaining purpose of attribute_unused. 
Copied from Perforce
 Change: 186335
 ServerID: perforce.ravenbrook.com
 2014-05-28 17:24:46 +01:00
Gareth Rees
c639055f7b In light of performance findings, boost the default arena size to 256 mb. add a -m option to djbench so that we can test the effect of setting the initial arena size on the manual pool classes. 
Copied from Perforce
 Change: 186224
 ServerID: perforce.ravenbrook.com
 2014-05-20 23:25:03 +01:00
Gareth Rees
a25521dbe9 Catch-up merge from branch/2014-03-30/addrset to branch/2014-04-15/mvffnoseg. 
Copied from Perforce
 Change: 186082
 ServerID: perforce.ravenbrook.com
 2014-05-13 16:27:17 +01:00
Gareth Rees
7818a73504 Merge branch/2014-02-23/mvff-tune into branch/2014-04-15/mvffnoseg. 
Copied from Perforce
 Change: 186079
 ServerID: perforce.ravenbrook.com
 2014-05-13 16:10:51 +01:00
Gareth Rees
9aecea10df Ansi platform compiles and passes tests on windows. in detail: 
* Move Windows-specific modules like vmw3.c out of commpre.nmk and into the platform-specific Nmake files.
* Set StackProbeDEPTH to 0 on the ANSI platform.
* New Nmake file ananmv.nmk builds the MPS for the ANSI platform using Microsoft Visual C/C++.

Copied from Perforce
 Change: 186063
 ServerID: perforce.ravenbrook.com
 2014-05-13 10:12:56 +01:00
Gareth Rees
598bd93af8 Setenv requires _gnu_source, so get the headers in the right order so that the feature macros are set up in config.h before any system header is included. 
Don't update _XOPEN_SOURCE if it's already set to a high enough value.

Copied from Perforce
 Change: 186049
 ServerID: perforce.ravenbrook.com
 2014-05-12 19:48:01 +01:00
Gareth Rees
35985c3587 Catch-up merge from master sources @186035 to branch/2014-03-25/ansi. 
Copied from Perforce
 Change: 186040
 ServerID: perforce.ravenbrook.com
 2014-05-12 18:42:33 +01:00
Gareth Rees
32cd7e343b Remove mps_key_cbs_extend_by and mfsextendself keyword arguments to cbsinit. these were unused and obsoleted by cbsblockpool. 
Copied from Perforce
 Change: 186006
 ServerID: perforce.ravenbrook.com
 2014-05-11 19:09:44 +01:00
Gareth Rees
d377539ae7 Default value for mps_key_ams_support_ambiguous is now the safer value true. 
Copied from Perforce
 Change: 185927
 ServerID: perforce.ravenbrook.com
 2014-05-01 18:02:53 +01:00
Gareth Rees
4c655eba6a Fix rash build on os x by adding the unused attribute to functions declared static that are not called in the rash variety. 
Copied from Perforce
 Change: 185915
 ServerID: perforce.ravenbrook.com
 2014-05-01 12:18:00 +01:00
Gareth Rees
7b9d33799e Catch-up merge from master sources to branch/2014-03-25/ansi. 
Copied from Perforce
 Change: 185907
 ServerID: perforce.ravenbrook.com
 2014-04-30 16:51:30 +01:00
Gareth Rees
282b0cb830 Update comment to match design. 
Copied from Perforce
 Change: 185902
 ServerID: perforce.ravenbrook.com
 2014-04-30 16:30:01 +01:00
Gareth Rees
f4e63e0bdd No need for prod_checklevel_initial (was unused). 
Copied from Perforce
 Change: 185876
 ServerID: perforce.ravenbrook.com
 2014-04-30 11:08:23 +01:00
Gareth Rees
4ac5e3a9ce Oops: sense of test was wrong way round. 
Copied from Perforce
 Change: 185581
 ServerID: perforce.ravenbrook.com
 2014-04-16 10:55:39 +01:00
Gareth Rees
02c40ddb7e Use x and x_none for x ∈ {lock, plinth, remembered_set, shield} to match the other settings (aver_and_check, event, statistics). 
Copied from Perforce
 Change: 185580
 ServerID: perforce.ravenbrook.com
 2014-04-16 10:48:21 +01:00
Gareth Rees
8624638093 Default value for mps_key_arena_size makes it easier to create arenas. 
Copied from Perforce
 Change: 185472
 ServerID: perforce.ravenbrook.com
 2014-04-11 21:15:09 +01:00
Gareth Rees
fb2443daaa Fix the build for gcc on os x: gcc warns about the missing return in protcatchthread, but we don't want to add one because that would be unreachable code. so use __attribute__((__noreturn__)) instead. 
Copied from Perforce
 Change: 185461
 ServerID: perforce.ravenbrook.com
 2014-04-11 12:42:26 +01:00
Gareth Rees
88626830d8 Alignment is now configurable for mv pools using mps_key_align. 
MVFF and MVT support alignments down to FreelistMinimumAlignment.
For MVFF and MVT, alignments that are too small are rounded up automatically, to make it easier to write portable programs.

Copied from Perforce
 Change: 185369
 ServerID: perforce.ravenbrook.com
 2014-04-08 21:32:19 +01:00
Gareth Rees
d939167b1e Catch-up merge from master sources to branch/2014-03-25/ansi. 
Copied from Perforce
 Change: 185305
 ServerID: perforce.ravenbrook.com
 2014-04-07 16:04:58 +01:00
Gareth Rees
643ab5a49a Improve clarity of product configuration so that names more explicitly indicate what they do: 
* CONFIG_POLL_NONE (because the user-visible consequence is that polling is no longer supported; was CONFIG_PROTECTION_NONE).
* DISABLE_LOCKS (was THREAD_SINGLE).
* DISABLE_SHIELD (was THREAD_SINGLE && PROTECTION_NONE)
* DISABLE_REMEMBERED_SET (was PROTECTION_NONE)
When the shield is disabled, ArenaLeave asserts that there are no busy traces, and ArenaPoll is a no-op.
By having functions implemented using the corresponding macro, we can avoid duplicated code, and avoid testing DISABLE_SHIELD in global.c.
Remove all remaining references to MPS_PROD_EPCORE.

Copied from Perforce
 Change: 185176
 ServerID: perforce.ravenbrook.com
 2014-04-02 15:48:57 +01:00
Gareth Rees
fc7bdbd4dd Fixed dl's review comments <https://info.ravenbrook.com/mail/2014/04/01/13-28-17/0/>. 
Copied from Perforce
 Change: 185127
 ServerID: perforce.ravenbrook.com
 2014-04-01 17:02:00 +01:00
Gareth Rees
9c7e619ac0 Fix compilation on lii6gc: 
* Don't test __has_feature unless we know we are on MPS_BUILD_LL.
* Fix type-punned pointer aliasing in expt825.c.

Copied from Perforce
 Change: 185104
 ServerID: perforce.ravenbrook.com
 2014-03-31 13:01:40 +01:00
Gareth Rees
0094610a6a Support the clang address sanitizer. 
Copied from Perforce
 Change: 185096
 ServerID: perforce.ravenbrook.com
 2014-03-30 18:51:53 +01:00