<s>
LU	B-Algorithm
reduction	I-Algorithm
is	O
an	O
algorithm	O
related	O
to	O
LU	O
decomposition	O
.	O
</s>
<s>
This	O
term	O
is	O
usually	O
used	O
in	O
the	O
context	O
of	O
super	B-Architecture
computing	I-Architecture
and	O
highly	O
parallel	B-Operating_System
computing	I-Operating_System
.	O
</s>
<s>
LU	B-Algorithm
reduction	I-Algorithm
is	O
a	O
special	O
parallelized	B-Operating_System
version	O
of	O
an	O
LU	O
decomposition	O
algorithm	O
,	O
an	O
example	O
can	O
be	O
found	O
in	O
(	O
Guitart	O
2001	O
)	O
.	O
</s>
<s>
The	O
parallelized	B-Operating_System
version	O
usually	O
distributes	O
the	O
work	O
for	O
a	O
matrix	O
row	O
to	O
a	O
single	O
processor	O
and	O
synchronizes	O
the	O
result	O
with	O
the	O
whole	O
matrix	O
(	O
Escribano	O
2000	O
)	O
.	O
</s>
