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2026 commits

Author SHA1 Message Date
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.
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 Change: 184486
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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.
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 Change: 184485
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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
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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
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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.
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 Change: 184467
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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
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2014-02-23 20:59:44 +00:00
Richard Brooksby
30e05ec9be Permitting tree traversals to abort early.
Copied from Perforce
 Change: 184511
 ServerID: perforce.ravenbrook.com
2014-02-23 15:36:27 +00:00
Richard Brooksby
9cf1c6319c Updating copyright dates.
Copied from Perforce
 Change: 184510
 ServerID: perforce.ravenbrook.com
2014-02-23 13:54:07 +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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
Richard Brooksby
e7c3417c87 Generalising splayrotate operations into treerotates.
Copied from Perforce
 Change: 184431
 ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
63d579da73 Replacing null with treeempty where that is intended.
Copied from Perforce
 Change: 184430
 ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
0b3372d1d2 Distinguishing tree keys (treekey) from generic void *.
Copied from Perforce
 Change: 184429
 ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
07ece0b4b3 Unifying splaycomparemethod with treecompare.
Copied from Perforce
 Change: 184428
 ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
a0435161f2 Simplifying splay tree update prototype and removing special null case.
Copied from Perforce
 Change: 184427
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2014-02-23 10:41:15 +00:00
Richard Brooksby
8a7f2671f4 Replacing splaynode with tree generally.
Copied from Perforce
 Change: 184426
 ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
b5f1710b3b Replacing splaynodestruct with treestruct and basic tree navigation operations in the splay tree implementation.
Copied from Perforce
 Change: 184425
 ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
cedb0c1c9b Desmurfing the naming conventions in cbs.
Copied from Perforce
 Change: 184424
 ServerID: perforce.ravenbrook.com
2014-02-23 10:41:14 +00:00
Richard Brooksby
fbb0d3be44 Adding basic generic binary tree datatype.
Copied from Perforce
 Change: 184423
 ServerID: perforce.ravenbrook.com
2014-02-23 10:41:07 +00:00
Gareth Rees
4b20c89f93 Fix sense of return value of nailboardset.
Copied from Perforce
 Change: 184412
 ServerID: perforce.ravenbrook.com
2014-02-21 14:01:18 +00:00
Gareth Rees
24ad6d6822 Clearer computation of size of nailboard.
Copied from Perforce
 Change: 184411
 ServerID: perforce.ravenbrook.com
2014-02-21 12:55:52 +00:00
Gareth Rees
a4fa37129c Another catch-up merge from the master sources to the nailboard branch.
Copied from Perforce
 Change: 184407
 ServerID: perforce.ravenbrook.com
2014-02-20 17:44:30 +00:00
Gareth Rees
2853c402e9 Catch-up merge from master sources to nailboard branch.
Copied from Perforce
 Change: 184402
 ServerID: perforce.ravenbrook.com
2014-02-20 14:48:39 +00:00
Gareth Rees
ce1ce29f74 Catch-up merge from master sources to nailboard branch.
Copied from Perforce
 Change: 184402
 ServerID: perforce.ravenbrook.com
2014-02-20 14:48:39 +00:00
Gareth Rees
1c583cde13 Naive nailboard implementation (complete).
Copied from Perforce
 Change: 184395
 ServerID: perforce.ravenbrook.com
2014-02-19 18:25:40 +00:00
Richard Brooksby
f85124fac3 Detaching buffers from segments before freeing them in mvt.
Copied from Perforce
 Change: 184389
 ServerID: perforce.ravenbrook.com
2014-02-19 13:58:37 +00:00
Richard Brooksby
ba1a4f78cb Declaring result codes using a relational macro, so that tests can print more meaningful output, and to eliminate redundant code.
Copied from Perforce
 Change: 184382
 ServerID: perforce.ravenbrook.com
2014-02-19 11:55:43 +00:00
Richard Brooksby
a298b3874b Attempting to combine fast page allocation with cbs allocation. currently not working properly, as the cbs and free page rings overlap.
Copied from Perforce
 Change: 184471
 ServerID: perforce.ravenbrook.com
2014-02-19 11:04:18 +00:00
Richard Brooksby
9d0644c05e Removing unused variable discovered by gcc.
Copied from Perforce
 Change: 184380
 ServerID: perforce.ravenbrook.com
2014-02-19 10:55:10 +00:00
Richard Brooksby
b12e1b8224 Adding per-zone arena cbss, but they aren’t filled with any free space yet.
Copied from Perforce
 Change: 184470
 ServerID: perforce.ravenbrook.com
2014-02-18 13:53:56 +00:00
Richard Brooksby
46e7234676 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.
Copied from Perforce
 Change: 184469
 ServerID: perforce.ravenbrook.com
2014-02-18 13:53:56 +00:00