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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2014-09-16T12·13+0200 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2014-09-16T12·13+0200 |
commit | f0ef6b74b93344798e44c6dc527f88a78b75a32f (patch) | |
tree | 8975a82b25a4410e2fc36e80cc042d74675396d7 /doc/manual/release-notes/rl-016.xml | |
parent | 67e5dd3ce9f46f810c06e16671e98f8e56b4e25c (diff) | |
parent | 8901acc97664aa8ebf687ee904428aa57a5192be (diff) |
Merge branch 'master' of github.com:thatdocslady/nix
Conflicts: doc/manual/release-notes.xml doc/manual/writing-nix-expressions.xml
Diffstat (limited to 'doc/manual/release-notes/rl-016.xml')
-rw-r--r-- | doc/manual/release-notes/rl-016.xml | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/doc/manual/release-notes/rl-016.xml b/doc/manual/release-notes/rl-016.xml new file mode 100644 index 000000000000..49ac2ce8c4e0 --- /dev/null +++ b/doc/manual/release-notes/rl-016.xml @@ -0,0 +1,55 @@ +<chapter xmlns="http://docbook.org/ns/docbook" + xmlns:xlink="http://www.w3.org/1999/xlink" + xmlns:xi="http://www.w3.org/2001/XInclude" + version="5.0" + 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> + +</chapter> \ No newline at end of file |