<s>
JUGENE	B-Operating_System
(	O
Jülich	B-Operating_System
Blue	I-Operating_System
Gene	I-Operating_System
)	O
was	O
a	O
supercomputer	B-Architecture
built	O
by	O
IBM	O
for	O
Forschungszentrum	O
Jülich	O
in	O
Germany	O
.	O
</s>
<s>
It	O
was	O
at	O
the	O
introduction	O
the	O
second	O
fastest	B-Operating_System
computer	I-Operating_System
in	O
the	O
world	O
,	O
and	O
the	O
month	O
before	O
its	O
decommissioning	O
in	O
July	O
2012	O
it	O
was	O
still	O
at	O
the	O
25th	O
position	O
in	O
the	O
TOP500	B-Operating_System
list	O
.	O
</s>
<s>
The	O
computer	O
was	O
owned	O
by	O
the	O
"	O
Jülich	O
Supercomputing	B-Architecture
Centre	O
"	O
(	O
JSC	O
)	O
and	O
the	O
Gauss	B-Device
Centre	I-Device
for	I-Device
Supercomputing	I-Device
.	O
</s>
<s>
With	O
an	O
official	O
Linpack	B-Application
rating	O
of	O
167.3	O
TFLOPS	O
(	O
Rmax	O
)	O
JUGENE	B-Operating_System
took	O
second	O
place	O
overall	O
and	O
is	O
the	O
fastest	O
civil/commercially	O
used	O
computer	O
in	O
the	O
TOP500	B-Operating_System
list	O
of	O
November	O
2007	O
.	O
</s>
<s>
The	O
head	O
of	O
the	O
JSC	O
,	O
Thomas	O
Lippert	O
,	O
said	O
that	O
"	O
The	O
unique	O
thing	O
about	O
our	O
JUGENE	B-Operating_System
is	O
its	O
extremely	O
low	O
power	O
consumption	O
compared	O
to	O
other	O
systems	O
even	O
at	O
maximum	O
computing	O
power	O
"	O
.	O
</s>
<s>
A	O
Blue	O
Gene/P	O
-System	O
should	O
reach	O
about	O
0.35	O
GFLOPS/Watt	O
and	O
is	O
therefore	O
an	O
order	O
of	O
magnitude	O
more	O
effective	O
than	O
a	O
common	O
x86	B-Operating_System
based	I-Operating_System
supercomputer	B-Architecture
for	O
a	O
similar	O
task	O
.	O
</s>
<s>
In	O
February	O
2009	O
it	O
was	O
announced	O
that	O
JUGENE	B-Operating_System
would	O
be	O
upgraded	O
to	O
reach	O
petaflops	O
performance	O
in	O
June	O
2009	O
,	O
making	O
it	O
the	O
first	O
petascale	B-General_Concept
supercomputer	B-Architecture
in	O
Europe	O
.	O
</s>
<s>
On	O
May	O
26	O
,	O
2009	O
,	O
the	O
newly	O
configured	O
JUGENE	B-Operating_System
was	O
unveiled	O
.	O
</s>
<s>
With	O
a	O
peak	O
performance	O
of	O
about	O
one	O
PetaFLOPS	O
,	O
it	O
was	O
at	O
the	O
time	O
the	O
third	O
fastest	B-Operating_System
supercomputer	I-Operating_System
in	O
the	O
world	O
,	O
ranking	O
behind	O
IBM	B-General_Concept
Roadrunner	I-General_Concept
and	O
Jaguar	O
.	O
</s>
<s>
The	O
two	O
front	O
nodes	O
of	O
JUGENE	B-Operating_System
are	O
operated	O
with	O
SUSE	O
Linux	O
Enterprise	O
Server	O
10	O
.	O
</s>
<s>
JUGENE	B-Operating_System
was	O
decommissioned	O
on	O
31	O
July	O
2012	O
and	O
replaced	O
by	O
the	O
Blue	O
Gene/Q	O
system	O
JUQUEEN	B-Device
.	O
</s>
