<s>
Livermore	B-Operating_System
loops	I-Operating_System
(	O
also	O
known	O
as	O
the	O
Livermore	B-Operating_System
Fortran	I-Operating_System
kernels	I-Operating_System
or	O
LFK	O
)	O
is	O
a	O
benchmark	O
for	O
parallel	B-Operating_System
computers	I-Operating_System
.	O
</s>
<s>
The	O
benchmark	O
was	O
published	O
in	O
1986	O
in	O
Livermore	B-Operating_System
fortran	I-Operating_System
kernels	I-Operating_System
:	O
A	O
computer	O
test	O
of	O
numerical	O
performance	O
range	O
.	O
</s>
<s>
The	O
Livermore	B-Operating_System
loops	I-Operating_System
were	O
originally	O
written	O
in	O
Fortran	B-Application
,	O
but	O
have	O
since	O
been	O
ported	O
to	O
many	O
programming	O
languages	O
.	O
</s>
