HelenOS-historic
HelenOS
HelenOS-doc
Català-Valencià – Catalan
中文 – Chinese (Simplified)
中文 – Chinese (Traditional)
Česky – Czech
Dansk – Danish
Nederlands – Dutch
English – English
Suomi – Finnish
Français – French
Deutsch – German
עברית – Hebrew
हिंदी – Hindi
Magyar – Hungarian
Bahasa Indonesia – Indonesian
Italiano – Italian
日本語 – Japanese
한국어 – Korean
Македонски – Macedonian
मराठी – Marathi
Norsk – Norwegian
Polski – Polish
Português – Portuguese
Português – Portuguese (Brazil)
Русский – Russian
Slovenčina – Slovak
Slovenščina – Slovenian
Español – Spanish
Svenska – Swedish
Türkçe – Turkish
Українська – Ukrainian
Oëzbekcha – Uzbek
Subversion Repositories
HelenOS-historic
(root)
/
kernel
/
trunk
/
generic
/
src
/
adt
/
btree.c
– Rev 1196
Rev
Go to most recent revision
|
Show changed files
|
Directory listing
|
RSS feed
Filtering Options
From rev
To rev
Max revs
Search history for
Show All
Rev
Age
Author
Path
Log message
Diff
1196
6741 d 11 h
cejka
/kernel/trunk/
Printf ported back from uspace to kernel.
Printf calls changed to match new conventions.
1177
6745 d 12 h
jermar
/kernel/trunk/generic/
Modify B+tree node key width to be 64-bit wide on all platforms.
1164
6748 d 8 h
jermar
/kernel/trunk/generic/
Switch B+tree node allocation from malloc() to a dedicated slab - btree_node_slab.
1150
6753 d 15 h
jermar
/kernel/trunk/generic/
Rename btree_node_left_sibling() to btree_leaf_node_left_neighbour()
and btree_node_right_sibling() to btree_leaf_node_right_neighbour()
as the left and right neighbours of a node needn't be its siblings.
1148
6754 d 2 h
jermar
/kernel/trunk/generic/src/
s/B+-tree/B+tree/
1147
6754 d 2 h
jermar
/kernel/trunk/generic/
Deploy B+tree in address space area management.
Change as_remap() to check for conflicts with other address space areas only when the area in question grows.
1144
6756 d 6 h
jermar
/kernel/trunk/
Completed B+-tree support.
Enable btree_remove().
Reorder some static functions and group them together.
Fix order of nodes in the leaf_head list.
1142
6756 d 13 h
jermar
/kernel/trunk/
Update B+-tree code.
The code is there, btree_remove() has not been tested yet.
(Fixes, if any, are to come later today.)
1140
6758 d 6 h
jermar
/kernel/trunk/generic/
Change B+-tree from 2-3-4 tree to 2-3-4-5 tree by adding space for the fourth key.
This should make key removal easier.
1136
6762 d 5 h
jermar
/kernel/trunk/generic/src/adt/
Try to avoid splitting full B+-tree nodes by trying left or right rotation first.
(This improved memory consumption of this algorithm by some 40% - meassured on 101-item set).
1134
6763 d 9 h
jermar
/kernel/trunk/generic/src/adt/
Change B+-tree to:
- store lesser keys in a key's left subtree
- propagate the bigger of medians (if there are two medians) when splitting a node
1121
6765 d 3 h
jermar
/kernel/trunk/
Small textual changes.
1101
6768 d 4 h
jermar
/kernel/trunk/
B+-tree implementation.
Currently supports only inserting and searching.