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| -rw-r--r-- | doc/manual/release-notes.xml | 53 |
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diff --git a/doc/manual/release-notes.xml b/doc/manual/release-notes.xml index e79563440416..b3a324c97b8f 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 16, 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 + <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 |