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21 commits

Author SHA1 Message Date
Gareth Rees
7ff6169818 Fix cross-references.
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 Change: 187791
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2015-03-19 10:59:38 +00:00
Gareth Rees
04b5c3db4e Todo was done: replace it with cross-reference to design.
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 Change: 187787
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2015-03-18 20:49:59 +00:00
Gareth Rees
5f35b7f792 Use the method suffix only for methods in classes; use visitor or function for other kinds of functions.
New document guide.impl.c.naming sets out the rules for naming.

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 Change: 187159
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2014-10-07 23:48:55 +01:00
Gareth Rees
a6c1da3a83 Restore the chunk ring.
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 Change: 186558
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2014-06-13 12:31:47 +01:00
Gareth Rees
2fa5f5688d New function arenachunktreetraverse ensures that calls to chunkofaddr are reliably detected.
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 Change: 186550
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2014-06-12 20:28:50 +01:00
Gareth Rees
ebfb9af464 Fix problems identified by rb in review <https://info.ravenbrook.com/mail/2014/06/05/14-58-24/0/>.
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 Change: 186451
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2014-06-08 22:10:21 +01:00
Gareth Rees
8ec2d5f64b Fix problems identified by dl in review <https://info.ravenbrook.com/mail/2014/06/05/14-49-13/0/>.
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 Change: 186445
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2014-06-08 17:45:44 +01:00
Gareth Rees
f5e11efb38 Improvements following review.
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 Change: 186227
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2014-05-21 00:43:06 +01:00
Gareth Rees
5f84d4c3db Clarify tracefix logic by unwinding the nested conditions.
Change the arena's chunk tree from a splay tree to an ordinary tree (so that it's not possible to accidentally splay it and leave it unbalanced).
New function TreeFindNext allows us to implement TractFirst and TractNext without having to splay the tree.
Make sure all operations on the chunk tree leave it balanced. But don't balance the tree directly in ChunkFinish() because this is only ever called in a loop where multiple chunks are being deleted from the tre. Instead use the sequence TreeToVine -- iterate and delete -- TreeBalance. The new macro TREE_DESTROY assists with this.
No need any more for ArenaIsReservedAddr, CHUNK_OF_ADDR, TRACT_OF_ADDR.
Update design documentation.

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 Change: 186212
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2014-05-20 18:12:37 +01:00
Gareth Rees
463139ecc4 Use treefind instead of splaytreefind to search the chunk tree.
Balance the chunk tree after insertion and deletion.
Avoid calling TractFirst and TractNext in ArenaDescribeTracts and PoolOfRange.

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 Change: 186199
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2014-05-19 20:19:50 +01:00
Richard Brooksby
d945d664bf Improving comments in response to code review suggestions <https://info.ravenbrook.com/mail/2014/03/11/14-47-33/0/>.
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 Change: 184725
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2014-03-11 15:46:51 +00:00
Richard Brooksby
0cb5069ea8 Responding to code review <https://info.ravenbrook.com/mail/2014/03/07/22-40-36/0/>.
Using TREE_ELT where appropriate.
Using AVERT consistently on Tree, but see job003691.

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 Change: 184724
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2014-03-11 15:46:51 +00:00
Richard Brooksby
4b0b5f32b3 Responding to code review <https://info.ravenbrook.com/mail/2014/03/07/18-03-14/0/>.
Updating Splay Tree design document to be reasonably consistent with the current code.
Disabling tree functions not currently in use.

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 Change: 184723
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2014-03-11 15:46:51 +00:00
Richard Brooksby
45ddf38adc Fixing freebsd build.
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 Change: 184719
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2014-03-11 14:46:47 +00:00
Richard Brooksby
7ae074e114 Minor documentation improvements to binary trees.
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 Change: 184552
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2014-02-26 13:23:31 +00:00
Richard Brooksby
30e05ec9be Permitting tree traversals to abort early.
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 Change: 184511
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2014-02-23 15:36:27 +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
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 Change: 184444
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2014-02-23 10:41:15 +00:00
Richard Brooksby
be51fa6829 Adding tree integrity check debugging function.
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 Change: 184441
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2014-02-23 10:41:15 +00:00
Richard Brooksby
959bc6b460 Generalising pointer reversal of tree spines.
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 Change: 184437
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2014-02-23 10:41:15 +00:00
Richard Brooksby
e7c3417c87 Generalising splayrotate operations into treerotates.
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 Change: 184431
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2014-02-23 10:41:15 +00:00
Richard Brooksby
fbb0d3be44 Adding basic generic binary tree datatype.
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 Change: 184423
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2014-02-23 10:41:07 +00:00