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author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2010-08-24T09·56+0000 |
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committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2010-08-24T09·56+0000 |
commit | 955d11aae738f7f9c56c51e8ab2eabdf8732aab1 (patch) | |
tree | c6a447018ba865580700e727997bb079aba4a0f4 /doc/manual/release-notes.xml | |
parent | 5c5ab2bc12472f63a33cc841dcdc57f1ed8ddea5 (diff) | |
parent | c67eccc26d42bce9496024ac77eaa7e4ff725d01 (diff) |
* Sync with the trunk.
Diffstat (limited to 'doc/manual/release-notes.xml')
-rw-r--r-- | doc/manual/release-notes.xml | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/doc/manual/release-notes.xml b/doc/manual/release-notes.xml index e79563440416..5b1c30bf8292 100644 --- a/doc/manual/release-notes.xml +++ b/doc/manual/release-notes.xml @@ -8,6 +8,59 @@ <!--==================================================================--> +<section xml:id="ssec-relnotes-0.16"><title>Release 0.16 (August 17, 2010)</title> + +<para>This release has the following improvements:</para> + +<itemizedlist> + + <listitem> + <para>The Nix expression evaluator is now much faster in most + cases: typically, <link + xlink:href="http://www.mail-archive.com/nix-dev@cs.uu.nl/msg04113.html">3 + to 8 times compared to the old implementation</link>. It also + uses less memory. It no longer depends on the ATerm + library.</para> + </listitem> + + <listitem> + <para> + Support for configurable parallelism inside builders. Build + scripts have always had the ability to perform multiple build + actions in parallel (for instance, by running <command>make -j + 2</command>), but this was not desirable because the number of + actions to be performed in parallel was not configurable. Nix + now has an option <option>--cores + <replaceable>N</replaceable></option> as well as a configuration + setting <varname>build-cores = + <replaceable>N</replaceable></varname> that causes the + environment variable <envar>NIX_BUILD_CORES</envar> to be set to + <replaceable>N</replaceable> when the builder is invoked. The + builder can use this at its discretion to perform a parallel + build, e.g., by calling <command>make -j + <replaceable>N</replaceable></command>. In Nixpkgs, this can be + enabled on a per-package basis by setting the derivation + attribute <varname>enableParallelBuilding</varname> to + <literal>true</literal>. + </para> + </listitem> + + <listitem> + <para><command>nix-store -q</command> now supports XML output + through the <option>--xml</option> flag.</para> + </listitem> + + <listitem> + <para>Several bug fixes.</para> + </listitem> + +</itemizedlist> + +</section> + + +<!--==================================================================--> + <section xml:id="ssec-relnotes-0.15"><title>Release 0.15 (March 17, 2010)</title> <para>This is a bug-fix release. Among other things, it fixes |