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1284 commits

Author SHA1 Message Date
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
Richard Brooksby
2c0a968b2e Making splaysplit and splayassemble general so that they can be used easily. 
Copied from Perforce
 Change: 184452
 ServerID: perforce.ravenbrook.com
 2014-02-23 12:18:18 +00:00
Richard Brooksby
b9a6a613a8 Returning the results of splitting in a structure so that it’s easier to pass them on to assemble. 
Copied from Perforce
 Change: 184451
 ServerID: perforce.ravenbrook.com
 2014-02-23 12:10:52 +00:00
Richard Brooksby
72dcf4aa74 Removing unnecessary case of splaying empty trees. 
Copied from Perforce
 Change: 184450
 ServerID: perforce.ravenbrook.com
 2014-02-23 11:52:21 +00:00
Richard Brooksby
a7451a424a Adding a signature to splay tree structure. miscellaneous documentation and naming clean-up. 
Copied from Perforce
 Change: 184448
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
9a9369cb59 Pointer-reversing splay and assemble to avoid double traversal of side tree spines in the update case. 
Copied from Perforce
 Change: 184447
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
00b45122ee Lifting zig and zag cases into common prefix to shorten splaysplit. a few percent faster. 
Copied from Perforce
 Change: 184446
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
9d3bbb41dd Moving downward splay updates to after side tree linkage, allowing the optimiser to do a better job. produces about 10% speedup: xc/release/djbench -x 1234 --sshift 8 mvff 
Copied from Perforce
 Change: 184445
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
ee50a7703d Implementing pointer-reversing tree traversal that does not disturb the tree shape, unlike the splay tree traversal, which flattens the tree into a list. replacing cbsiterate with this, knocking about 25% off the runtime of the test case: xc/release/djbench -x 1234 --sshift 8 mvff 
Copied from Perforce
 Change: 184444
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
a3e2e6bac3 Optimising splaytreeneighbours by observing that once one neighbour is found, the other neighbour is already in our hand in one of the side trees. this reduces the number of splays when coalescing. 
Copied from Perforce
 Change: 184443
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
26f8f1ddcd Specialising left and right splay tree searches where no comparisons are necessary. 
Copied from Perforce
 Change: 184442
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
be51fa6829 Adding tree integrity check debugging function. 
Copied from Perforce
 Change: 184441
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
2a60898a04 Eliminating redundant passing of tree keys by adding a method to extract the key from a tree node. 
Copied from Perforce
 Change: 184440
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
d6d382cc34 Avoid dropping children of found node in non-update case. oops. 
Copied from Perforce
 Change: 184439
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
4c1c0009f8 Lifting out pointer-reversed updates. 
Copied from Perforce
 Change: 184438
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
959bc6b460 Generalising pointer reversal of tree spines. 
Copied from Perforce
 Change: 184437
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
4b18c932d8 Reducing excessive punctuation and removing unnecessary goto cases in splaysplay. 
Copied from Perforce
 Change: 184436
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
8fccc81c82 Avoiding general compare when searching for first and last nodes in a tree. 
Copied from Perforce
 Change: 184435
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
262de4e219 Fixing splaytreefind on empty tree. oops. 
Regression test: xc/Debug/fbmtest 215526357

Copied from Perforce
 Change: 184434
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
50146c866f Splaysplay returns a compare to indicate the relationship of the new tree root to the key, eliminating some redundant tests, and making it more like treefind. 
Allowing SplayTreeNext to deal with modification during iteration, so that iteration can be used to delete trees, for example.

Copied from Perforce
 Change: 184433
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00
Richard Brooksby
a97757482b Fixing abuses of res and resfail in the splay tree interface. 
Copied from Perforce
 Change: 184432
 ServerID: perforce.ravenbrook.com
 2014-02-23 10:41:15 +00:00