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Author SHA1 Message Date
Gareth Rees
c71e35f3c1 Catch-up merge from masters sources @186519 to branch/2014-04-17/describe.
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2014-06-12 13:45:22 +01:00
Gareth Rees
e8bb8ecedb Encapsulate the artifical ageing and reclaiming that's need to ensure that all the memory in a segment is accounted as free. addresses point made by rb in <https://info.ravenbrook.com/mail/2014/06/02/15-43-00/0/>
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 Change: 186428
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2014-06-08 13:12:12 +01:00
Gareth Rees
9fb9c2f319 Rename poolgen functions to make it clear that they only handle accounting.
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 Change: 186368
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2014-05-30 12:29:42 +01:00
Gareth Rees
2b41ec58db Catch-up merge from master sources @185999 to branch/2014-04-17/describe.
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 Change: 186003
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2014-05-11 18:33:02 +01:00
Gareth Rees
c44f2d6a20 Correct indentation of describe output by passing depth parameter to describe functions and to writef.
Call Describe functions from test cases so that we get coverage.

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 Change: 186000
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2014-05-11 18:20:38 +01:00
Gareth Rees
641a75cf5e Avoid the need for newsizeatcreate by emitting events for the pool generations in tracecreate instead of tracestart.
Get rid of proflow member of GenDescStruct (it was unused).
Use STATISTIC to avoid updating segs, freeSize, oldSize, and oldDeferredSize in non-checking varieties.
Add design for pool generation accounting.

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 Change: 185930
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2014-05-01 19:00:08 +01:00
Gareth Rees
cd099a2aae Better names for poolgen functions.
Accounting for segment splitting and merging.
Accounting for allocation and freeing in segsmss.

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 Change: 185894
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2014-04-30 13:49:26 +01:00
Gareth Rees
e62efa1619 Use double-entry book-keeping and bank reconciliation to ensure the soundness and completeness of the pool generation size accounting.
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 Change: 185888
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2014-04-30 12:14:54 +01:00
Gareth Rees
b3d827b6fb Pool generations now refer directly to their generation (not via a chain and a generation number).
Allocation into a generation now via PoolGenAlloc (not ChainAlloc).
The "top generation" logic is encapsulated in the function ChainGen.

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 Change: 185877
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2014-04-30 11:18:44 +01:00
Gareth Rees
e7d41a8fde Fix bugs in condemn logic:
1. TraceStartCollectAll now condemns all segments in pools with AttrGC (not just pools attached to generation zero of some chain, as before).
2. ChainDeferral now looks at all generations in the chain, so that the chain is condemned if any generation's new size is greater than its capacity (not just generation zero, as before).
3. ChainCondemnAuto now condemns all generations up to and including the highest generation whose new size is greater than its capacity (rather than, as before, up to and excluding the lowest generation whose new size is lower than its capacity).
Update finaltest.c so that it has a mode in which it allocates in generation 1 of a chain and with the arena released so that the above fixes are tested. Remove the MPS_KEY_GEN workarounds from awlut and awluthe as these are no longer needed.

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 Change: 185741
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2014-04-22 17:53:47 +01:00
Gareth Rees
3d92d21dba New function chaindescribe describes a chain.
Also GenDescDescribe and PoolGenDescribe.
GlobalsDescribe now describes chains.

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 Change: 185727
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2014-04-22 00:53:18 +01:00
Richard Brooksby
6b4100e1b1 Since the dynamic generation is shared between chains (for some reason) using its unified zone set, rather than keeping a special zone set per chain, which would’ve used up more zones.
Using arena->topGen->mortality for the dynamic generation’s mortality, rather than a global variable.

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 Change: 184216
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2014-01-29 13:49:42 +00:00
Richard Brooksby
d8e81ae3c3 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
Gareth Rees
4e22988865 Remove diag facility.
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 Change: 182553
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2013-06-05 18:35:40 +01:00
Richard Brooksby
eeef8ade97 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 Kistruck
67750f1f9f Mps from br/gcdiag to master: branch/2007-07-19/gcdiag/...@162965, 967, 969.
That is:
 - TraceStart diagnostic showing chains, GenDescs, and PoolGens;
 - TraceCreate calls traceCopySizes() to save a copy of each 
   GenDesc's newSize in a "newSizeAtCreate" field.

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 Change: 163046
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2007-08-06 17:30:02 +01:00
David Jones
65e5be6961 Mps: attempt to account for condemned in the poolgen
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 Change: 162966
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2007-07-20 18:18:31 +01:00
David Jones
3eefbdd270 Mps: why code in diagnostic, "correct" newsize diagnostics.
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 Change: 162956
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2007-07-20 11:09:49 +01:00
David Jones
5e4a1006a6 Mps: minor style edits
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 Change: 39662
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2003-02-17 11:04:57 +00:00
Richard Brooksby
f22e14e334 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
5afb4899ef 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
819ed0ed76 Adding licenses to source code files.
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 Change: 29836
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2002-06-06 11:44:23 +01:00
Richard Brooksby
c2b33bb9b5 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
Richard Brooksby
d0ccf8fa9a Adding hopenames back into the master sources, so that they can be included in the union sources along with the id keywords.
This was achieved by partially undoing changelist 24817, including an accidental corruption of eventgen.pl.

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 Change: 24877
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2001-12-06 18:14:02 +00:00
Richard Brooksby
c84f2a8553 Updating copyright messages to say copyright 2001 ravenbrook throughout.
Adding some missing copyright messages.

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 Change: 24818
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2001-12-05 16:18:43 +00:00
Richard Brooksby
e0a5828027 Changing hopename keywords to id keywords throughout, to work with perforce.
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 Change: 24817
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2001-12-05 16:05:52 +00:00
Richard Brooksby
68e0b8253f Merging changes from union to masters. this incorporates pekka's updates: tuning and a type in amcsshe.c and some adding some missing checks in arenavm.c. it also brings our cope of their hopenames up to date.
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 Change: 24815
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2001-12-05 15:48:24 +00:00
Nick Barnes
88e5e63275 Branch imports for masters.
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 Change: 23678
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2001-10-31 14:40:56 +00:00
Renamed from mps/src/chain.h (Browse further)