<s>
ASC	B-Device
Purple	I-Device
was	O
a	O
supercomputer	B-Architecture
installed	O
at	O
the	O
Lawrence	O
Livermore	O
National	O
Laboratory	O
in	O
Livermore	O
,	O
California	O
.	O
</s>
<s>
The	O
contract	O
for	O
this	O
computer	O
along	O
with	O
the	O
Blue	B-Operating_System
Gene/L	I-Operating_System
supercomputer	B-Architecture
was	O
worth	O
US	O
$290	O
million	O
.	O
</s>
<s>
As	O
of	O
November	O
2009	O
,	O
the	O
computer	O
ranked	O
66th	O
on	O
the	O
TOP500	B-Operating_System
supercomputer	B-Architecture
list	O
.	O
</s>
<s>
It	O
was	O
a	O
redundant	O
ring	O
of	O
POWER5	B-Device
SMP	B-Operating_System
servers	O
.	O
</s>
<s>
The	O
system	O
contained	O
12,544	O
POWER5	B-Device
microprocessors	B-Architecture
in	O
total	O
with	O
50	O
terabytes	O
of	O
total	O
memory	O
and	O
2	O
petabytes	O
of	O
total	O
disk	O
storage	O
.	O
</s>
<s>
The	O
system	O
ran	O
IBM	O
's	O
AIX	B-Application
5L	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
It	O
was	O
built	O
as	O
stage	O
five	O
of	O
the	O
Advanced	B-General_Concept
Simulation	I-General_Concept
and	I-General_Concept
Computing	I-General_Concept
Program	I-General_Concept
(	O
ASC	O
)	O
started	O
by	O
the	O
U.S.	O
Department	O
of	O
Energy	O
and	O
the	O
National	O
Nuclear	O
Security	O
Administration	O
to	O
build	O
a	O
simulator	O
to	O
replace	O
live	O
WMD	O
testing	O
following	O
the	O
moratorium	O
on	O
testing	O
started	O
by	O
President	O
George	O
H	O
.	O
W	O
.	O
Bush	O
in	O
1992	O
and	O
extended	O
by	O
Bill	O
Clinton	O
in	O
1993	O
.	O
</s>
