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Change default chunk size from 256 KiB to 2 MiB.

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This change improves interaction with transparent huge pages, e.g.
reduced page faults (at least in the absence of unused dirty page
purging).
This commit is contained in:
Jason Evans 2015-07-15 17:15:26 -07:00
parent aa2826621e
commit 5bd879646c
2 changed files with 2 additions and 2 deletions
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2
doc/jemalloc.xml.in
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@ -907,7 +907,7 @@ for (i = 0; i < nbins; i++) {
<listitem><para>Virtual memory chunk size (log base 2). If a chunk
size outside the supported size range is specified, the size is
silently clipped to the minimum/maximum supported size. The default
chunk size is 256 KiB (2^18).
chunk size is 2 MiB (2^21).
</para></listitem>
</varlistentry>