<s>
Blue	B-Device
Waters	I-Device
was	O
a	O
petascale	B-General_Concept
supercomputer	B-Architecture
operated	O
by	O
the	O
National	B-General_Concept
Center	I-General_Concept
for	I-General_Concept
Supercomputing	I-General_Concept
Applications	I-General_Concept
(	O
NCSA	O
)	O
at	O
the	O
University	O
of	O
Illinois	O
at	O
Urbana-Champaign	O
.	O
</s>
<s>
On	O
August	O
8	O
,	O
2007	O
,	O
the	O
National	O
Science	O
Board	O
approved	O
a	O
resolution	O
which	O
authorized	O
the	O
National	O
Science	O
Foundation	O
to	O
fund	O
"	O
the	O
acquisition	O
and	O
deployment	O
of	O
the	O
world	O
's	O
most	O
powerful	O
leadership-class	O
supercomputer.	O
"	O
</s>
<s>
The	O
NSF	O
awarded	O
$208	O
million	O
for	O
the	O
Blue	B-Device
Waters	I-Device
project	O
.	O
</s>
<s>
Cray	O
Inc	O
.	O
then	O
was	O
awarded	O
a	O
$188	O
million	O
contract	O
with	O
the	O
University	O
of	O
Illinois	O
at	O
Urbana-Champaign	O
to	O
build	O
the	O
supercomputer	B-Architecture
for	O
the	O
Blue	B-Device
Waters	I-Device
project	O
;	O
the	O
supercomputer	B-Architecture
was	O
installed	O
in	O
phases	O
in	O
2012	O
.	O
</s>
<s>
Blue	B-Device
Waters	I-Device
ran	O
science	O
and	O
engineering	O
codes	O
at	O
sustained	O
speeds	O
of	O
at	O
least	O
one	O
petaFLOPS	O
.	O
</s>
<s>
The	O
storage	O
filesystem	O
was	O
the	O
Cray	O
Lustre	B-Application
parallel	O
file	O
system	O
,	O
which	O
is	O
capable	O
of	O
terabyte-per-second	O
storage	O
bandwidth	O
.	O
</s>
<s>
A	O
machine	O
the	O
scale	O
of	O
Blue	B-Device
Waters	I-Device
introduces	O
special	O
concerns	O
with	O
regards	O
to	O
cooling	O
and	O
power	O
.	O
</s>
<s>
A	O
new	O
National	O
Petascale	B-General_Concept
Computing	I-General_Concept
Facility	O
was	O
built	O
at	O
the	O
University	O
of	O
Illinois	O
at	O
Urbana-Champaign	O
at	O
the	O
corner	O
of	O
Oak	O
Street	O
and	O
St.	O
Mary	O
's	O
Road	O
.	O
</s>
<s>
This	O
facility	O
houses	O
Blue	B-Device
Waters	I-Device
and	O
other	O
NCSA	O
computing	O
,	O
networking	O
,	O
and	O
data	O
systems	O
.	O
</s>
