Richard Brooksby
2c0a968b2e
Making splaysplit and splayassemble general so that they can be used easily.
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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.
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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.
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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.
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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.
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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.
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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
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Copied from Perforce
Change: 184445
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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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 *.
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Copied from Perforce
Change: 184429
ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
07ece0b4b3
Unifying splaycomparemethod with treecompare.
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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.
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Copied from Perforce
Change: 184427
ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
8a7f2671f4
Replacing splaynode with tree generally.
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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.
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Copied from Perforce
Change: 184425
ServerID: perforce.ravenbrook.com
2014-02-23 10:41:15 +00:00
Richard Brooksby
82c29cfd3e
Fixing up occurences of "unsigned long" in the main mps and test code so that we no longer assume that "unsigned long" is large enough for a pointer or size, or that it's the longest available integer type, since these are not true on 64-bit windows.
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Copied from Perforce
Change: 178021
ServerID: perforce.ravenbrook.com
2012-04-23 16:20:40 +01:00
Richard Brooksby
a12e94fe41
Cbs and splay now pass size through as closure parameters, rather than messing with unsigned long.
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Copied from Perforce
Change: 177816
ServerID: perforce.ravenbrook.com
2012-03-27 17:15:25 +01:00
Richard Kistruck
221bfe6659
Mps sort out baroque check macros (mainly config.h and check.h)
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See job001248. Should be source-only change. Details:
CheckNONE,SHALLOW,DEEP -->> CheckLevelMINIMAL,SHALLOW,DEEP
[PROD_]CHECK_DEFAULT -->> [PROD_]CHECKLEVEL_INITIAL
CHECK[_NONE] -->> AVER_AND_CHECK[_NONE]
And add some comments.
Copied from Perforce
Change: 161210
ServerID: perforce.ravenbrook.com
2006-12-13 14:45:49 +00:00
Richard Kistruck
2c152b9c6f
Split-asserts: where an aver or checkl has two failure modes combined
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with &&, split it into two AVERs or CHECKLs.
Copied from Perforce
Change: 155170
ServerID: perforce.ravenbrook.com
2005-09-30 10:50:48 +01:00
Richard Brooksby
c11fa19243
Merging branch mps/2002-05-22/open-source-prep.
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Making some new files consistent with changes from that branch.
Deleting some new Global Graphics confidential files.
Copied from Perforce
Change: 30256
ServerID: perforce.ravenbrook.com
2002-06-18 16:19:34 +01:00
Nick Barnes
0c8fe12191
Integrate changes from global graphics.
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Copied from Perforce
Change: 30250
ServerID: perforce.ravenbrook.com
2002-06-18 14:14:55 +01:00
Richard Brooksby
f22e14e334
Eliminating "impl" type tags and replacing them with uri-style file references.
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Copied from Perforce
Change: 29900
ServerID: perforce.ravenbrook.com
2002-06-07 17:34:59 +01:00
Richard Brooksby
0a95c05521
Updating cross references to design documents to html style, to go with master/design document tree.
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Copied from Perforce
Change: 29897
ServerID: perforce.ravenbrook.com
2002-06-07 16:47:14 +01:00
Richard Brooksby
5afb4899ef
Adding forward reference to licenses from copyright notices.
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Adding licenses to a couple of files I missed.
Copied from Perforce
Change: 29837
ServerID: perforce.ravenbrook.com
2002-06-06 11:56:19 +01:00
Richard Brooksby
819ed0ed76
Adding licenses to source code files.
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Copied from Perforce
Change: 29836
ServerID: perforce.ravenbrook.com
2002-06-06 11:44:23 +01:00
Nick Barnes
ab0821c590
Remove trailing whitespace.
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Copied from Perforce
Change: 25309
ServerID: perforce.ravenbrook.com
2001-12-17 15:18:17 +00:00
Richard Brooksby
c2b33bb9b5
Removing hopenames from the master sources.
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This change will be integrated but ignored (-ay) to the gg-epcore/union sources, so that they retain HopeNames.
Copied from Perforce
Change: 24911
ServerID: perforce.ravenbrook.com
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.
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This was achieved by partially undoing changelist 24817, including an accidental corruption of eventgen.pl.
Copied from Perforce
Change: 24877
ServerID: perforce.ravenbrook.com
2001-12-06 18:14:02 +00:00
Richard Brooksby
c84f2a8553
Updating copyright messages to say copyright 2001 ravenbrook throughout.
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Adding some missing copyright messages.
Copied from Perforce
Change: 24818
ServerID: perforce.ravenbrook.com
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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Copied from Perforce
Change: 24817
ServerID: perforce.ravenbrook.com
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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Copied from Perforce
Change: 24815
ServerID: perforce.ravenbrook.com
2001-12-05 15:48:24 +00:00
Nick Barnes
88e5e63275
Branch imports for masters.
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Copied from Perforce
Change: 23678
ServerID: perforce.ravenbrook.com
2001-10-31 14:40:56 +00:00