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* Manual updates.

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Eelco Dolstra 2004-01-08 15:01:37 +00:00
parent 5346536b62
commit b594215531
7 changed files with 346 additions and 254 deletions
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30
doc/manual/bugs.xml
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@ -5,24 +5,20 @@
<listitem>
<para>
Nix should automatically remove Berkeley DB logfiles.
</para>
</listitem>
<listitem>
<para>
Unify the concepts of successors and substitutes into a general notion
of <emphasis>equivalent expressions</emphasis>. Expressions are
equivalent if they have the same target paths with the same
identifiers. However, even though they are functionally equivalent,
they may differ stronly with respect to their <emphasis>performance
characteristics</emphasis>. For example, realising a slice is more
efficient that realising the derivation from which that slice was
Unify the concepts of successors and substitutes into a
general notion of <emphasis>equivalent expressions</emphasis>.
Expressions are equivalent if they have the same target paths
with the same identifiers. However, even though they are
functionally equivalent, they may differ stronly with respect
to their <emphasis>performance characteristics</emphasis>.
For example, realising a closure expression is more efficient
that realising the derivation expression from which it was
produced. On the other hand, distributing sources may be more
efficient (storage- or bandwidth-wise) than distributing binaries. So
we need to be able to attach weigths or priorities or performance
annotations to expressions; Nix can then choose the most efficient
expression dependent on the context.
efficient (storage- or bandwidth-wise) than distributing
binaries. So we need to be able to attach weigths or
priorities or performance annotations to expressions; Nix can
then choose the most efficient expression dependent on the
context.
</para>
</listitem>