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22 commits

Author SHA1 Message Date
Richard Brooksby
aa0412e071 Removing the mostly unused size component of the closure convention. 
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 Change: 189503
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 2016-03-01 17:20:50 +00:00
Gareth Rees
09c5c1031f Fix cross-references. 
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 Change: 187791
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 2015-03-19 10:59:38 +00:00
Gareth Rees
a6ca2d9e52 Todo was done: replace it with cross-reference to design. 
Copied from Perforce
 Change: 187787
 ServerID: perforce.ravenbrook.com
 2015-03-18 20:49:59 +00:00
Gareth Rees
00229b0479 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.

Copied from Perforce
 Change: 187159
 ServerID: perforce.ravenbrook.com
 2014-10-07 23:48:55 +01:00
Gareth Rees
100405cac2 Restore the chunk ring. 
Copied from Perforce
 Change: 186558
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 2014-06-13 12:31:47 +01:00
Gareth Rees
8c9de5f775 New function arenachunktreetraverse ensures that calls to chunkofaddr are reliably detected. 
Copied from Perforce
 Change: 186550
 ServerID: perforce.ravenbrook.com
 2014-06-12 20:28:50 +01:00
Gareth Rees
2087688964 Fix problems identified by rb in review <https://info.ravenbrook.com/mail/2014/06/05/14-58-24/0/>. 
Copied from Perforce
 Change: 186451
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 2014-06-08 22:10:21 +01:00
Gareth Rees
220e23a758 Fix problems identified by dl in review <https://info.ravenbrook.com/mail/2014/06/05/14-49-13/0/>. 
Copied from Perforce
 Change: 186445
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 2014-06-08 17:45:44 +01:00
Gareth Rees
a0e076be57 Improvements following review. 
Copied from Perforce
 Change: 186227
 ServerID: perforce.ravenbrook.com
 2014-05-21 00:43:06 +01:00
Gareth Rees
2f0ef9355d 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.

Copied from Perforce
 Change: 186212
 ServerID: perforce.ravenbrook.com
 2014-05-20 18:12:37 +01:00
Gareth Rees
47befaa46b 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.

Copied from Perforce
 Change: 186199
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 2014-05-19 20:19:50 +01:00
Richard Brooksby
9d7b1ff29e 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
 ServerID: perforce.ravenbrook.com
 2014-03-11 15:46:51 +00:00
Richard Brooksby
16e0798806 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.

Copied from Perforce
 Change: 184724
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 2014-03-11 15:46:51 +00:00
Richard Brooksby
1f2cf6aa56 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.

Copied from Perforce
 Change: 184723
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 2014-03-11 15:46:51 +00:00
Richard Brooksby
00420bfce5 Fixing freebsd build. 
Copied from Perforce
 Change: 184719
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 2014-03-11 14:46:47 +00:00
Richard Brooksby
65a00f5945 Minor documentation improvements to binary trees. 
Copied from Perforce
 Change: 184552
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 2014-02-26 13:23:31 +00:00
Richard Brooksby
f47100fd09 Permitting tree traversals to abort early. 
Copied from Perforce
 Change: 184511
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 2014-02-23 15:36:27 +00:00
Richard Brooksby
a52bb1d3ea 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
17b72c3052 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
93a0ffe8ee 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
6bc35c5ca0 Generalising splayrotate operations into treerotates. 
Copied from Perforce
 Change: 184431
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
96473a433e Adding basic generic binary tree datatype. 
Copied from Perforce
 Change: 184423
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 2014-02-23 10:41:07 +00:00