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Author SHA1 Message Date
Gareth Rees
181767e4db Split land iteration into two functions, one which deletes ranges, the other which does not. 
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 Change: 186298
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 2014-05-25 19:26:48 +01:00
Gareth Rees
87b3880405 New generic function landsize returns the total size of ranges in a land (if the land supports it). implement it for all land classes. 
The MVFF pool class doesn't have to maintain its free size any more: it can just call LandSize.
Move re-entrancy protection from CBS to Land. This allows us to remove some CBS functions. (But requires some adjustment in failoverDelete.)
In MVFF, do more checking of mvff->total.

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 Change: 185569
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 2014-04-15 16:35:34 +01:00
Gareth Rees
4deafee125 Lands maintain the total size of the address ranges they maintain. (this avoids the need to do free size accounting in mvff.) 
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 Change: 185567
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 2014-04-15 14:23:53 +01:00
Gareth Rees
42f18f93af Catch-up merge from master/...@185556 to branch/2014-03-30/addrset. 
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 Change: 185563
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 2014-04-15 13:14:50 +01:00
Gareth Rees
93a79ac8a6 Add -wconversion to the options for gcc. ensure that the mps builds. 
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 Change: 185463
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 2014-04-11 14:25:15 +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.

Copied from Perforce
 Change: 185294
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 2014-04-07 15:36:18 +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
 ServerID: perforce.ravenbrook.com
 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
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
061eba523c Reponding to code review <https://info.ravenbrook.com/mail/2014/03/10/17-01-58/0/>. 
Renaming the arena’s “zoned CBS” back to earlier “free CBS”, especially since it might not be zoned.

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 Change: 184738
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 2014-03-11 17:27:57 +00:00
Richard Brooksby
2ce13f82dc Incomplete response to code review. see <https://info.ravenbrook.com/mail/2014/03/07/11-21-03/0/>. 
Copied from Perforce
 Change: 184735
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 2014-03-11 16:39:11 +00:00
Richard Brooksby
d8362f2cad Merging branch/2014-02-22/splay-tune to pick up splay tree improvements. 
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 Change: 184606
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 2014-02-28 14:27:40 +00:00
Richard Brooksby
4eec2493b7 Adding a keyword to the arena to disable zoned allocation. 
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 Change: 184599
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 2014-02-28 13:20:06 +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
b160cf778a Separating arena cbs allocator into abstract zonedcbs adt. the number of chunks seems to blow up. 
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 Change: 184575
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 2014-02-27 04:50:52 +00:00
Richard Brooksby
4fdddc36e0 Backing out zone set summary in the cbs. this isn't needed for speed now that there's a cbs per zone in the arena, and it will slow down all other cbss. 
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 Change: 184561
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 2014-02-26 14:24:34 +00:00
Richard Brooksby
d1b6ad25c7 Tidying up and wrapping arena cbs operations. 
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 Change: 184530
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 2014-02-25 16:58:23 +00:00
Richard Brooksby
460f988a46 Removing the freering allocation cache, which breaks the cbs abstraction and does not give any benefit once we’re allocating from zonecbss. 
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 Change: 184529
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 2014-02-25 11:35:18 +00:00
Richard Brooksby
c58eed5c6b Attempting to combine fast page allocation with cbs allocation. currently not working properly, as the cbs and free page rings overlap. 
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 Change: 184471
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 2014-02-19 11:04:18 +00:00
Richard Brooksby
5afbb9d290 Adding per-zone arena cbss, but they aren’t filled with any free space yet. 
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 Change: 184470
 ServerID: perforce.ravenbrook.com
 2014-02-18 13:53:56 +00:00
Richard Brooksby
f0b07f7bbe Added a pool argument to cbs creation so that cbss can share a pool. in particular, per-zone allocation cbss for the arena can share a single special block pool. 
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 Change: 184469
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 2014-02-18 13:53:56 +00:00
Richard Brooksby
2151d00c7f Catch-up merge from master, mainly to pick up spare-ring merge. 
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 Change: 184365
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 2014-02-18 13:47:49 +00:00
Richard Brooksby
d8cb7e9a01 Catch-up merge from master, mainly to pick up chain-zones merge. 
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 Change: 184343
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 2014-02-14 15:23:36 +00:00
David Lovemore
15975c2442 Add zone set to cbs nodes for faster zone set allocation. 
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 Change: 184299
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 2014-02-05 15:04:40 +00:00
Richard Brooksby
3a1236d0ea Generic chunkinit and chunkdestroy now maintain their memory in the freecbs so that the client arena should also work. 
ArenaDestroy fixed so that ChunkDestroy can go ahead even though the freeCBS has been torn down.  Allows completion of test programs.

Copied from Perforce
 Change: 184295
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 2014-02-04 18:50:56 +00:00
Richard Brooksby
252383465b Abolishing vmarenaalloc and its horrible relatives. 
Removing redundant SegPref structures from pools that only ever used the default.
Abolishing the VMNZ arena class, to be replaced with an option to ArenaCreate.

Copied from Perforce
 Change: 184293
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 2014-02-04 18:10:53 +00:00
Richard Brooksby
2c3c67e73e Deleting a chunk’s address range from the arena’s freecbs when the chunk is destroyed. otherwise, the memory gets allocated and an assertion fires when that memory is not in any chunk. 
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 Change: 184281
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 2014-02-01 00:34:52 +00:00
Richard Brooksby
ae6362a7ce Adding arena extension back to the arena allocation policy. 
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 Change: 184280
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 2014-01-31 22:47:29 +00:00
Richard Brooksby
66a05e1f05 Changes from review comments made in <https://info.ravenbrook.com/mail/2014/01/31/13-40-25/0/>. 
ArenaSpareCommitExceeded changed to ArenaPurgeSpare so that the arena can properly reduce the amount of spare memory when setting the commit limit etc.
pagesMarkAllocated promptly unmaps page table pages in its error path.
Miscellaneous clarifications and extra checking.

Copied from Perforce
 Change: 184267
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 2014-01-31 15:21:21 +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.

Copied from Perforce
 Change: 184279
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 2014-01-30 18:08:10 +00:00
Richard Brooksby
e27cf4b361 Merging from branch //info.ravenbrook.com/project/mps/branch/2014-01-29/mps-chain-zones/... in order to eliminate generational considerations from the vm arena's placement policy. 
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 Change: 184233
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 2014-01-30 15:29:46 +00:00
Richard Brooksby
1982233b78 Adding a default chain to the arena. not used anywhere yet. 
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 Change: 184224
 ServerID: perforce.ravenbrook.com
 2014-01-29 18:07:43 +00:00
Richard Brooksby
f1abe0e30f Abolishing the redundant generation to zone map in the vm arena, and replacing it with chainalloc, which allocates segments within a generation. 
Generations from different chains will no longer share the same zone sets, and will not be collected together.  To get this behaviour, use the same chain, as documented.

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 Change: 184213
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 2014-01-29 12:54:05 +00:00
Richard Brooksby
44de7246e5 Creating and tearing down the arena freecbs that will hold free address ranges. 
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 Change: 184049
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 2014-01-18 16:25:08 +00:00
Richard Brooksby
3e1d93b97d Part of changelist 184047. oops. 
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 Change: 184048
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 2014-01-18 15:46:18 +00:00
Richard Brooksby
c71a9513e0 Adding a free address space cbs to the arena, initialising and finishing it, but not using it yet. 
Moved CBSStruct to mpmst.h so that it can be included inline in ArenaStruct without circularity problems.

Copied from Perforce
 Change: 184044
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 2014-01-17 16:15:13 +00:00
Gareth Rees
ea9df0b2b7 Merge custom cet mainline into the master sources. this includes fixes for job003519 (clock values in text telemetry logs on windows have top 32 bits zero), job003536 (cet office can't replicate 100k snowmen in reasonable time), job003651 (stack overflows are not reliably handled). 
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 Change: 183926
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 2014-01-10 14:16:08 +00:00
Gareth Rees
a3c7ed0cab Turn on -wextra -wwrite-strings when compiling with gcc or clang. 
Add missing initializer to mps_args_none.
Change "char *" to "const char *" where necessary.

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 Change: 183494
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 2013-09-30 17:18:52 +01:00
Gareth Rees
aaf6e8b13b New public function mps_fmt_create_k creates an object format using the keyword argument interface. 
Deprecate the format variant structures (mps_fmt_A_s, mps_fmt_B_s, mps_fmt_auto_header_s, mps_fmt_fixed_s) and the old interface (mps_fmt_create_A, mps_fmt_create_B, mps_fmt_create_auto_header, mps_fmt_create_fixed).

Copied from Perforce
 Change: 182277
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 2013-05-28 16:10:08 +01:00
Richard Brooksby
688b5bf73d Converting varags on buffer and ap creation into keyword argument lists. 
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 Change: 181680
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 2013-05-09 18:25:53 +01:00
Richard Brooksby
60ae2d01be Moving definition of keystruct to arg.h, since this mechanism is largely separable from the rest of the mps. 
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 Change: 181664
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 2013-05-09 12:46:59 +01:00
Richard Brooksby
3815e622a8 Draft design document for keyword arguments. 
Correcting hex "spelling" of KeySig.

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 Change: 181661
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 2013-05-09 11:40:22 +01:00
Richard Brooksby
d512863efb Moving arena varags parsing into arena class method, similar to pools. much simpler. all tests pass. 
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 Change: 181643
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 2013-05-08 23:00:00 +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
c0a8608bf7 Basically working keyword arguments, though vmparam is unsatisfactory. 
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 Change: 181545
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 2013-05-03 17:20:35 +01:00
Gareth Rees
db733f3932 Remove "mps_alert_collection_set" from public interface and remove its implementation and test case. client programs should use the messages interface to find out what the mps is doing. 
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 Change: 181119
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 2013-03-12 14:33:27 +00:00
Richard Brooksby
50c50c895b Eliminating interface puns that break the strict aliasing rule. the last of the structure puns and casts, i think. 
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 Change: 179453
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 2012-09-12 20:00:04 +01:00
Richard Brooksby
513aabb046 Further elimination of type puns that violate the strict aliasing rule. this change eliminates puns on the format methods. 
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 Change: 179452
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 2012-09-12 19:45:27 +01:00
David Lovemore
1ece8c4ccb Remove whiteminalign handling code which was used to calculate a mask for scanning in tracescanareatagged. for now we use sizeof(word)-1, which will work for dylan and configura. 
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 Change: 179393
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 2012-09-10 15:17:38 +01:00