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authorSverker Eriksson <[email protected]>2011-06-16 15:26:29 +0200
committerSverker Eriksson <[email protected]>2011-07-18 15:20:44 +0200
commit94ad6bd0aec9dd41b1bb4d789df313ddcad5af5b (patch)
tree4d16fffd6ebf6c3c86e010c952fb3a308f31e90a /erts/doc/src
parent089b8c357f5e7c96605c8f8cab4b3c856081dc39 (diff)
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New allocator: Address order first fit (aoff)
Diffstat (limited to 'erts/doc/src')
-rw-r--r--erts/doc/src/erts_alloc.xml14
1 files changed, 11 insertions, 3 deletions
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index 452e5d990e..90347824d5 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -180,6 +180,14 @@
used. The time complexity is proportional to log N, where
N is the number of free blocks.</p>
</item>
+ <tag>Address order first fit</tag>
+ <item>
+ <p>Strategy: Find the block with the lowest address that satisfies the
+ requested block size.</p>
+ <p>Implementation: A balanced binary search tree is
+ used. The time complexity is proportional to log N, where
+ N is the number of free blocks.</p>
+ </item>
<tag>Good fit</tag>
<item>
<p>Strategy: Try to find the best fit, but settle for the best fit
@@ -320,11 +328,11 @@
subsystem identifier, only the specific allocator identified will be
effected:</p>
<taglist>
- <tag><marker id="M_as"><c><![CDATA[+M<S>as bf|aobf|gf|af]]></c></marker></tag>
+ <tag><marker id="M_as"><c><![CDATA[+M<S>as bf|aobf|aoff|gf|af]]></c></marker></tag>
<item>
Allocation strategy. Valid strategies are <c>bf</c> (best fit),
- <c>aobf</c> (address order best fit), <c>gf</c> (good fit),
- and <c>af</c> (a fit). See
+ <c>aobf</c> (address order best fit), <c>aoff</c> (address order first fit),
+ <c>gf</c> (good fit), and <c>af</c> (a fit). See
<seealso marker="#strategy">the description of allocation strategies</seealso> in "the <c>alloc_util</c> framework" section.</item>
<tag><marker id="M_asbcst"><c><![CDATA[+M<S>asbcst <size>]]></c></marker></tag>
<item>