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1304 commits

Author SHA1 Message Date
Richard Brooksby
d62ff57a76 Removing redundant blacklisting event. 
Copied from Perforce
 Change: 184603
 ServerID: perforce.ravenbrook.com
 2014-02-28 13:46:51 +00:00
Richard Brooksby
9eb1d4a298 Adding unzoned arena tests back, now that there is a method of asking for them. 
Copied from Perforce
 Change: 184602
 ServerID: perforce.ravenbrook.com
 2014-02-28 13:46:36 +00:00
Richard Brooksby
b338f41c47 More closely duplicating the allocation policy from the old vmarena, and documenting why. 
Copied from Perforce
 Change: 184601
 ServerID: perforce.ravenbrook.com
 2014-02-28 13:35:51 +00:00
Richard Brooksby
eb75944742 Adding a keyword to the arena to disable zoned allocation. 
Copied from Perforce
 Change: 184599
 ServerID: perforce.ravenbrook.com
 2014-02-28 13:20:06 +00:00
Richard Brooksby
3309e4e7f4 Implementing allocation in the client arena class. 
Copied from Perforce
 Change: 184596
 ServerID: perforce.ravenbrook.com
 2014-02-28 11:23:59 +00:00
Richard Brooksby
a2aa56447c Fixing res/bool confusion found by “xc/debug/fbmtest 244032167” 
Copied from Perforce
 Change: 184595
 ServerID: perforce.ravenbrook.com
 2014-02-28 10:53:07 +00:00
Richard Brooksby
7df4777d3c Reinstating exhaustive splay tree search, since a tree or node may intersect a requested zone set, and be larger than a requested size, but still not satisfy a request. 
Copied from Perforce
 Change: 184594
 ServerID: perforce.ravenbrook.com
 2014-02-28 10:52:45 +00:00
Richard Brooksby
cd19bda000 Tidying up interfaces to cbsinit and cbsfindinzones. 
Documenting assumptions about CBS block allocation used by the arena.

Copied from Perforce
 Change: 184593
 ServerID: perforce.ravenbrook.com
 2014-02-28 10:30:32 +00:00
Richard Brooksby
0c16e904f5 Simplifying the interface to cbsfindinzones. 
Speeding up CBSFindInZones a bit.

Copied from Perforce
 Change: 184589
 ServerID: perforce.ravenbrook.com
 2014-02-28 01:25:18 +00:00
Richard Brooksby
c518d82ca9 Reverting exhaustive search in splayfindfirst and splayfindlast since zoned cbs will use an accurate test on the cbs block zones property, and this code will never be exercised. 
Copied from Perforce
 Change: 184588
 ServerID: perforce.ravenbrook.com
 2014-02-28 00:47:42 +00:00
Richard Brooksby
fc720aff46 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 
Copied from Perforce
 Change: 184587
 ServerID: perforce.ravenbrook.com
 2014-02-28 00:35:05 +00:00
Richard Brooksby
9f380dba48 Adding some missing headers revealed by separate compilation. 
Copied from Perforce
 Change: 184584
 ServerID: perforce.ravenbrook.com
 2014-02-27 18:01:05 +00:00
Richard Brooksby
3d9635bafb Adding check for unexpected case of zone barging. 
Copied from Perforce
 Change: 184583
 ServerID: perforce.ravenbrook.com
 2014-02-27 17:50:44 +00:00
Richard Brooksby
85977edb89 Inserting small ranges into the zone cbss so that they can be reallocated quickly. 
Copied from Perforce
 Change: 184579
 ServerID: perforce.ravenbrook.com
 2014-02-27 17:01:29 +00:00
Richard Brooksby
ad6b8c27ab Implementing splayfindlast to match splayfindfirst. oops. 
Copied from Perforce
 Change: 184578
 ServerID: perforce.ravenbrook.com
 2014-02-27 16:03:55 +00:00
Richard Brooksby
322b4ba6dd Simplifying interface to high and low allocation in the zoned cbs. 
Copied from Perforce
 Change: 184576
 ServerID: perforce.ravenbrook.com
 2014-02-27 12:01:42 +00:00
Richard Brooksby
9223d3de81 Separating arena cbs allocator into abstract zonedcbs adt. the number of chunks seems to blow up. 
Copied from Perforce
 Change: 184575
 ServerID: perforce.ravenbrook.com
 2014-02-27 04:50:52 +00:00
Richard Brooksby
9dff6e6d1d Searching the freecbs now respects the “high” preference, though not yet within blocks. 
Copied from Perforce
 Change: 184574
 ServerID: perforce.ravenbrook.com
 2014-02-26 19:29:05 +00:00
Richard Brooksby
e7efed948e Implemented “high” preference allocation for zone stripes. 
Copied from Perforce
 Change: 184573
 ServerID: perforce.ravenbrook.com
 2014-02-26 18:18:20 +00:00
Richard Brooksby
a06ba218b6 Fixing cbsfindfirstinzones to return a res, because it can fail when it can’t allocate a cbs block, unlike cbsfindfirst. 
Fixing related corner case in arenaAllocFindInFreeCBS when it thought it couldn’t find a block when it was in fact running out of nodes.  This was revealed by “gcbench --npass 1 --arena-size 1M --seed 945632066 --niter 1 amc”.
Fixing draft ArenaFreeCBSDelete after exercising it.

Copied from Perforce
 Change: 184568
 ServerID: perforce.ravenbrook.com
 2014-02-26 17:40:39 +00:00
Richard Brooksby
01f030d637 Removing unused fields from vmarenastruct. 
Copied from Perforce
 Change: 184567
 ServerID: perforce.ravenbrook.com
 2014-02-26 17:37:16 +00:00
Richard Brooksby
3c0b491102 Adding clarifying bracket. 
Copied from Perforce
 Change: 184566
 ServerID: perforce.ravenbrook.com
 2014-02-26 17:36:27 +00:00
Richard Brooksby
e991295b8d Adding checking of the freecbs and zonecbss to arenacheck. 
Copied from Perforce
 Change: 184563
 ServerID: perforce.ravenbrook.com
 2014-02-26 14:25:01 +00:00
Richard Brooksby
cffd3e4834 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. 
Copied from Perforce
 Change: 184561
 ServerID: perforce.ravenbrook.com
 2014-02-26 14:24:34 +00:00
Richard Brooksby
01ee2406aa Fixing bug where cbs overwrites its own blockpool pointer with garbage. 
Copied from Perforce
 Change: 184532
 ServerID: perforce.ravenbrook.com
 2014-02-25 19:19:37 +00:00
Richard Brooksby
67b596b72b Implementing arenafreecbsdelete that might work on chunks that have interesting patterns of zone allocation. 
Further tidying up.

Copied from Perforce
 Change: 184531
 ServerID: perforce.ravenbrook.com
 2014-02-25 19:19:09 +00:00
Richard Brooksby
4295c4b9cc Tidying up and wrapping arena cbs operations. 
Copied from Perforce
 Change: 184530
 ServerID: perforce.ravenbrook.com
 2014-02-25 16:58:23 +00:00
Richard Brooksby
51578a6bad Removing the freering allocation cache, which breaks the cbs abstraction and does not give any benefit once we’re allocating from zonecbss. 
Copied from Perforce
 Change: 184529
 ServerID: perforce.ravenbrook.com
 2014-02-25 11:35:18 +00:00
Richard Brooksby
7f213d846c Tidying up arena cbs mfs teardown. 
Tidying up arena CBS initialisation and teardown.

Copied from Perforce
 Change: 184523
 ServerID: perforce.ravenbrook.com
 2014-02-25 11:16:12 +00:00
Richard Brooksby
9d7ff6651d Merging gcbench bug fix from master. 
Copied from Perforce
 Change: 184521
 ServerID: perforce.ravenbrook.com
 2014-02-25 11:15:52 +00:00
Richard Brooksby
c52f568137 Quick hack at allocating from per-zone cbs. promising performance. 
Copied from Perforce
 Change: 184507
 ServerID: perforce.ravenbrook.com
 2014-02-25 01:51:27 +00:00
Richard Brooksby
5fd80f897b Merging bug fix for gcbench exit from development branch. 
Copied from Perforce
 Change: 184506
 ServerID: perforce.ravenbrook.com
 2014-02-25 01:49:49 +00:00
Richard Brooksby
6e46485dce Catch-up merge from master, mainly to pick up gcbench fixes. 
Copied from Perforce
 Change: 184504
 ServerID: perforce.ravenbrook.com
 2014-02-25 01:29:12 +00:00
Richard Brooksby
20f1b7a26f Bug fix. gcbench attempted to delete a nonexistent chain by default. 
Copied from Perforce
 Change: 184497
 ServerID: perforce.ravenbrook.com
 2014-02-24 23:03:10 +00:00
Richard Brooksby
392f089a2c Bug fix. nonsensical case in cbsfindlargest when size is passed as zero. 
Added RangeCopy.

Copied from Perforce
 Change: 184496
 ServerID: perforce.ravenbrook.com
 2014-02-24 23:02:42 +00:00
Richard Brooksby
f16d920a66 Fixed a bug in cbsfindlargest where it always deleted the entire range found even when finddeletelow or finddeletehigh were passed. 
Copied from Perforce
 Change: 184493
 ServerID: perforce.ravenbrook.com
 2014-02-24 22:48:48 +00:00
Richard Brooksby
4b6c07ab25 Making assertions in cbsupdatenode critical, since this is extremely hot in any cbs with fast find. 
Copied from Perforce
 Change: 184492
 ServerID: perforce.ravenbrook.com
 2014-02-24 22:27:16 +00:00
Richard Brooksby
fa3858cfa6 Adding rangeisempty. 
Copied from Perforce
 Change: 184491
 ServerID: perforce.ravenbrook.com
 2014-02-24 22:26:22 +00:00
Richard Brooksby
e17d23dcea Fixing compiler warning. 
Copied from Perforce
 Change: 184490
 ServerID: perforce.ravenbrook.com
 2014-02-24 22:25:48 +00:00
Gareth Rees
f01363221e Refactor the computation of the chunk size into its own function, thus avoiding an "unreachable code" error from clang. 
Copied from Perforce
 Change: 184482
 ServerID: perforce.ravenbrook.com
 2014-02-24 21:32:22 +00:00
Richard Brooksby
8a9ab87a96 Initial hack at replacing the arena control pool with mvff. 
Copied from Perforce
 Change: 184489
 ServerID: perforce.ravenbrook.com
 2014-02-24 21:14:41 +00:00
Richard Brooksby
5a5e95d6fa Only finishing the cbs block pool when cbs created it. oops. 
Copied from Perforce
 Change: 184488
 ServerID: perforce.ravenbrook.com
 2014-02-24 21:14:40 +00:00
Richard Brooksby
d0f823ec7c Finishing the mvff block pool. oops. 
Copied from Perforce
 Change: 184487
 ServerID: perforce.ravenbrook.com
 2014-02-24 21:14:40 +00:00
Richard Brooksby
236db01d08 Initialising a shared inline mfs for the cbss in mvff so that mvff can be used as the arena’s bootstrap and control pool. 
Copied from Perforce
 Change: 184486
 ServerID: perforce.ravenbrook.com
 2014-02-24 21:14:40 +00:00
Richard Brooksby
858e77cabb Bug fix. ensuring cbsfinddeleterange returns oldrangereturn even if it doesn’t delete a block. 
Copied from Perforce
 Change: 184485
 ServerID: perforce.ravenbrook.com
 2014-02-24 21:14:39 +00:00
Richard Brooksby
dbf77fc811 Catch-up merge from master, mainly to pick up gcbench fix. 
Copied from Perforce
 Change: 184480
 ServerID: perforce.ravenbrook.com
 2014-02-24 21:14:13 +00:00
Gareth Rees
bc3e284dd7 Avoid use of unreachable code in protcatchthread on os x. 
Copied from Perforce
 Change: 184478
 ServerID: perforce.ravenbrook.com
 2014-02-24 18:07:14 +00:00
Richard Brooksby
0640804281 Reforming mvff pool class to avoid using segments and to actually have a chance to return memory to the arena. 
Copied from Perforce
 Change: 184467
 ServerID: perforce.ravenbrook.com
 2014-02-23 21:00:53 +00:00
Richard Brooksby
6f9f018101 Adding cbssize and freelistsize functions to calculate the size of freelist contents. 
Copied from Perforce
 Change: 184466
 ServerID: perforce.ravenbrook.com
 2014-02-23 20:59:44 +00:00
David Lovemore
4be8600326 Add pin-leaf option to gcbench. 
Remove default chain from gcbench.

Copied from Perforce
 Change: 184454
 ServerID: perforce.ravenbrook.com
 2014-02-23 13:44:54 +00:00