<s>
In	O
computer	B-General_Concept
science	I-General_Concept
,	O
run-time	B-Algorithm
algorithm	I-Algorithm
specialization	I-Algorithm
is	O
a	O
methodology	O
for	O
creating	O
efficient	O
algorithms	O
for	O
costly	O
computation	O
tasks	O
of	O
certain	O
kinds	O
.	O
</s>
<s>
The	O
methodology	O
originates	O
in	O
the	O
field	O
of	O
automated	B-Application
theorem	I-Application
proving	I-Application
and	O
,	O
more	O
specifically	O
,	O
in	O
the	O
Vampire	O
theorem	O
prover	O
project	O
.	O
</s>
<s>
In	O
many	O
situations	O
,	O
usually	O
when	O
is	O
to	O
be	O
computed	O
on	O
many	O
values	O
in	O
a	O
row	O
,	O
we	O
can	O
write	O
as	O
a	O
code	O
of	O
a	O
special	O
abstract	B-Application
machine	I-Application
,	O
and	O
we	O
often	O
say	O
that	O
is	O
compiled	O
.	O
</s>
<s>
Then	O
the	O
code	O
itself	O
can	O
be	O
additionally	O
optimized	O
by	O
answer-preserving	O
transformations	O
that	O
rely	O
only	O
on	O
the	O
semantics	O
of	O
instructions	O
of	O
the	O
abstract	B-Application
machine	I-Application
.	O
</s>
<s>
Instructions	O
of	O
the	O
abstract	B-Application
machine	I-Application
can	O
usually	O
be	O
represented	O
as	O
records	O
.	O
</s>
