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55 commits

Author SHA1 Message Date
Gareth Rees
262bb324f3 No keyword arguments needed in these cbsfastlandclass initializations. 
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 Change: 185329
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 2014-04-08 00:13:50 +01:00
Gareth Rees
b90f8b9bcd Use cbs subclasses to implement the fast-find and find-in-zones features. this avoids the need to control behaviour by passing booleans, and it means that there is no wasted space in the cbs block structure when these features are not used. 
Bring splay tree design up to date; add missing diagrams; move it to the "current" section of the manual.

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 Change: 185294
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 2014-04-07 15:36:18 +01:00
Gareth Rees
4b5d396792 Catch-up merge from master sources to branch/2014-03-30/addrset. 
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 Change: 185288
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 2014-04-07 15:02:09 +01:00
Gareth Rees
d3d2795fce Improve control over checking: 
1. Where Type is a pointer type with a signature, replace CHECKL(TypeCheck(val)) with CHECKD(Type, val).
2. Where Type is a pointer type with no signature, replace CHECKL(TypeCheck(val)) with CHECKD_NOSIG(Type, val).
3. Where Type is a pointer type with a signature, but the structure is not visible at point of checking, replace CHECKL(TypeCheck(val)) with CHECKD_NOSIG(Type, val). Reference <design/check/#.hidden-type>
4. Make BTCheck extern and use it where possible.
5. Replace AVER(TypeCheck(val)) with AVERT(Type, val).

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 Change: 185263
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 2014-04-06 22:51:05 +01:00
Gareth Rees
673eea41a0 Check classes after defining them. 
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 Change: 185228
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 2014-04-04 12:51:07 +01:00
Gareth Rees
86a50c3d1c Fix file-at-a-time compilation. 
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 Change: 185210
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 2014-04-03 15:01:53 +01:00
Gareth Rees
ce6b34aa8f Test the failover module (both always and never failing over). 
Fix result code bug in failoverInsert.
Test all result codes in fotest.
Tidy up code and documentation.

Copied from Perforce
 Change: 185207
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 2014-04-03 14:46:58 +01:00
Gareth Rees
0b159dc650 New module failover implements a fail-over allocator as a land class. 
Use Failover in MVT and MVFF.
Test Failover in landtest.
Implementation of LandFindInZones for Freelist (untested).
Remove signature from RangeStruct so we can embed it without a space cost.

Copied from Perforce
 Change: 185196
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 2014-04-03 12:52:23 +01:00
Gareth Rees
b409ae89f6 Turn freelist into a land class. 
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 Change: 185155
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 2014-04-02 14:01:18 +01:00
Gareth Rees
5314260bc8 Avoid type puns. 
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 Change: 185151
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 2014-04-02 12:16:38 +01:00
Gareth Rees
1d8238419a Landiargs -> liargs for terseness and consistency. 
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 Change: 185147
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 2014-04-01 23:39:03 +01:00
Gareth Rees
d2cbfda452 First pass at implementation of lands (collections of address ranges). 100% boilerplate! 
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 Change: 185131
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 2014-04-01 19:51:55 +01:00
Richard Brooksby
887c6e3845 Tidying up interfaces to cbsinit and cbsfindinzones. 
Documenting assumptions about CBS block allocation used by the arena.

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 Change: 184593
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 2014-02-28 10:30:32 +00:00
Richard Brooksby
ddfec2c708 Eliminating complex zonedcbs adt and reintroducing a cbs with zone summaries. removing the default “high” segment preference, that caused the cbs trees to unbalance, and isn’t required outside of ep. considerable reduction in code and speed up, now at parity with master on test xc/release/gcbench -x 1234 amc 
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 Change: 184587
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 2014-02-28 00:35:05 +00:00
Richard Brooksby
7a73e98638 Refactored implementation of preferenced allocation policy from vm arena to general purpose arena. 
Eliminating SegPrefExpress in most places, especially where there wasn’t really any preference.
Eliminating special case knowledge about garbage collection from the arena.

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 Change: 184279
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 2014-01-30 18:08:10 +00:00
Richard Brooksby
8e4e0f066e Eliminating dodgy use of *segprefdefault() which could lead to implicit calls to memcpy. 
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 Change: 184217
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 2014-01-29 15:13:22 +00:00
Richard Brooksby
56d48bbd1d iterating over segments using the pool and segment rings, rather than scanning the tract table, which may be full of irrelevant tracts, especially when non-gc pools are large. see <https://info.ravenbrook.com/mail/2014/01/25/12-16-09/0/>. 
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 Change: 184120
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 2014-01-25 15:33:10 +00:00
Gareth Rees
da3afade7b Mvt takes configurable alignment via a keyword argument. 
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 Change: 182605
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 2013-06-07 14:45:14 +01:00
Gareth Rees
938f1945fa Encapsulate cbsfindlargest falling back to freelistfindlargest as suggested by rb in review. 
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 Change: 182502
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 2013-06-04 17:10:38 +01:00
Gareth Rees
2bda69bc6b New test case "fotest" for fail-over of cbs to freelist in mvff. (plus stub for mvt.) need some testing hooks in mvff and mvt for getting the cbs. 
This reveals a couple of bugs in MVFF: (i) if CBSDelete fails, this might be because the block is actually on the Freelist instead; (ii) we can't SegFree before calling FreelistDelete because the Freelist needs access to the memory in order to read its pointers.

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 Change: 182500
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 2013-06-04 16:51:24 +01:00
Gareth Rees
6f356edfb1 In mvff, fall back from cbs to freelist if cbs fails. 
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 Change: 182434
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 2013-06-03 16:21:52 +01:00
Gareth Rees
db9328da7a Use range objects in the cbs interface instead of base, limit pairs. the idea is that freelist and cbs should offer similar interfaces so that the testing code can be shared. 
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 Change: 182364
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 2013-05-31 16:29:26 +01:00
Gareth Rees
934ae05ca3 Rename the enumeration cbsfinddelete to finddelete in anticipation of it being shared between cbs and new freelist module. 
Since ABQDisposition enumeration only has two values, it's better to use Bool.

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 Change: 182347
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 2013-05-31 00:09:33 +01:00
Gareth Rees
87019f4ee2 Fix review comments from <https://info.ravenbrook.com/mail/2013/05/28/22-21-11/0/>: 
* Rename RangeOverlap to RangesOverlap.
* MVFF shouldn't assume that CBSInsert and CBSDelete can't fail.
* Remove unused function mps_mvff_stat.
* Don't call range methods in RangeCheck.
* RangeInit can't fail, so return void.

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 Change: 182297
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 2013-05-29 12:19:19 +01:00
Gareth Rees
4c5bca4bd0 Fix review comments from rb in <https://info.ravenbrook.com/mail/2013/05/23/18-17-17/0/> 
Copied from Perforce
 Change: 182149
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 2013-05-24 00:48:19 +01:00
Gareth Rees
5ea309b5cc Catch-up merge from master sources to branch/2013-05-17/emergency. 
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 Change: 182048
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 2013-05-21 18:31:50 +01:00
Gareth Rees
1912c062b5 Use the new cbs interface. 
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 Change: 182016
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 2013-05-20 20:47:10 +01:00
Gareth Rees
217831cc47 Remove "emergency" free list allocator from the cbs module (it belongs in its own module) and update clients and the design accordingly. 
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 Change: 181927
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 2013-05-19 14:27:24 +01:00
Richard Brooksby
f876b80dff Fixing the mvff documentation to say that the keyword arguments are optional, and documenting their default values. 
Attaching the note about some keywords not affecting allocation points to those keywords with a footnote reference.
Fixing the default alignment setting to MVFF pool to MPS_PF_ALIGN.

Copied from Perforce
 Change: 181874
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 2013-05-16 18:12:54 +01:00
Richard Brooksby
6806f70e58 Correcting the documentation of the restrictions on the keyword arguments to the mvff pool class. 
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 Change: 181872
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 2013-05-16 17:40:14 +01:00
Richard Brooksby
bb02f55b62 Making clear the size of the array of args passed to varargs conversion methods. 
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 Change: 181845
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 2013-05-16 03:12:11 +01:00
Richard Brooksby
af44d1241f Replacing varargs passed to seginit with keyword argument list. 
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 Change: 181679
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 2013-05-09 17:34:01 +01:00
Richard Brooksby
3189ccfc9b Consolidating common pool keywords. 
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 Change: 181649
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 2013-05-09 00:06:07 +01:00
Richard Brooksby
03c7de38b6 Macroizing keyword definitions and adding more keyword argument checking methods. 
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 Change: 181647
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 2013-05-08 23:40:40 +01:00
Richard Brooksby
71b7e4f70a Pushing varargs decoding into a pool class method. much simpler. 
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 Change: 181642
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 2013-05-08 22:43:51 +01:00
Richard Brooksby
8504a81cf3 Eliminating mps_key_varargs and instead decoding deprecated varargs in one place in mpsi.c, so that each pool or other class doesn't have to deal with them. 
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 Change: 181638
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 2013-05-08 17:24:11 +01:00
Richard Brooksby
07f446a450 Converting pools to use keyword arguments, mostly, and so far inconsistently, but at least it compiles. 
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 Change: 181635
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 2013-05-08 16:21:12 +01:00
Richard Brooksby
27c6706791 Merging branch/2012-08-21/diagnostic-telemetry. 
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 Change: 179289
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 2012-09-05 23:45:31 +01:00
Richard Brooksby
d3aacdebfc Suppressing warnings revealed by increased level of optimisation and building the mps from mps.c 
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 Change: 179192
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 2012-09-03 13:15:34 +01:00
Richard Brooksby
89a685f164 Renaming some check* macros with more accurate names, making remaining check* macros similar in function. 
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 Change: 179155
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 2012-09-01 10:18:08 +01:00
Richard Brooksby
4009b8a559 Abolishing eventgen.pl. event structures are now expanded by the preprocessor. 
Abolishing event formats.  Each event now has its own structure.
Event parameters are now written directly into the event buffer, rather than being copied twice.

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 Change: 179010
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 2012-08-21 22:48:11 +01:00
Richard Brooksby
ae3c248878 Changing global graphics copyright notice to say "portions copyright" to avoid confusion. 
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 Change: 30258
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 2002-06-18 16:28:41 +01:00
Richard Brooksby
e854cd8e1d Merging branch mps/2002-05-22/open-source-prep. 
Making some new files consistent with changes from that branch.
Deleting some new Global Graphics confidential files.

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 Change: 30256
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 2002-06-18 16:19:34 +01:00
Nick Barnes
6a1a360814 Integrate changes from global graphics. 
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 Change: 30250
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 2002-06-18 14:14:55 +01:00
Richard Brooksby
78ef580722 Eliminating "impl" type tags and replacing them with uri-style file references. 
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 Change: 29900
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 2002-06-07 17:34:59 +01:00
Richard Brooksby
97075f7053 Updating cross references to design documents to html style, to go with master/design document tree. 
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 Change: 29897
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 2002-06-07 16:47:14 +01:00
Richard Brooksby
a0f676c8e1 Adding forward reference to licenses from copyright notices. 
Adding licenses to a couple of files I missed.

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 Change: 29837
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 2002-06-06 11:56:19 +01:00
Richard Brooksby
4301a6db0a Adding licenses to source code files. 
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 Change: 29836
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 2002-06-06 11:44:23 +01:00
Nick Barnes
db4b3a6fa5 Remove trailing whitespace. 
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 Change: 25309
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 2001-12-17 15:18:17 +00:00
Richard Brooksby
c0bb4cd3cd Removing hopenames from the master sources. 
This change will be integrated but ignored (-ay) to the gg-epcore/union sources, so that they retain HopeNames.

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 Change: 24911
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 2001-12-07 13:19:25 +00:00