<s>
Steele	B-Device
is	O
a	O
supercomputer	B-Architecture
that	O
was	O
installed	O
at	O
Purdue	O
University	O
on	O
May	O
5	O
,	O
2008	O
.	O
</s>
<s>
The	O
high-performance	B-Architecture
computing	I-Architecture
cluster	O
is	O
operated	O
by	O
Information	O
Technology	O
at	O
Purdue	O
(	O
ITaP	O
)	O
,	O
the	O
university	O
's	O
central	O
information	O
technology	O
organization	O
.	O
</s>
<s>
ITaP	O
also	O
operates	O
clusters	O
named	O
Coates	B-Device
built	O
in	O
2009	O
,	O
Rossmann	B-Device
built	O
in	O
2010	O
,	O
and	O
Hansen	O
and	O
Carter	O
built	O
in	O
2011	O
.	O
</s>
<s>
Steele	B-Device
was	O
the	O
largest	O
campus	O
supercomputer	B-Architecture
in	O
the	O
Big	O
Ten	O
outside	O
a	O
national	O
center	O
when	O
built	O
.	O
</s>
<s>
It	O
ranked	O
104th	O
on	O
the	O
November	O
2008	O
TOP500	B-Operating_System
Supercomputer	I-Operating_System
Sites	I-Operating_System
list	O
.	O
</s>
<s>
Steele	B-Device
consisted	O
of	O
893	O
64-bit	O
,	O
8-core	O
Dell	B-Device
PowerEdge	I-Device
1950	O
and	O
nine	O
64-bit	O
,	O
8-core	O
Dell	B-Device
PowerEdge	I-Device
2950	O
systems	O
with	O
various	O
combinations	O
of	O
16-32	O
gigabytes	O
RAM	O
,	O
160	O
GB	O
to	O
2	O
terabytes	O
of	O
disk	O
,	O
and	O
Gigabit	O
Ethernet	O
and	O
SDR	O
InfiniBand	B-Architecture
to	O
each	O
node	O
.	O
</s>
<s>
Steele	B-Device
and	O
its	O
7,216	O
cores	O
replaced	O
the	O
Purdue	O
Lear	O
cluster	O
supercomputer	B-Architecture
which	O
had	O
1,024	O
cores	O
but	O
was	O
substantially	O
slower	O
.	O
</s>
<s>
Steele	B-Device
is	O
primarily	O
networked	O
utilizing	O
a	O
Foundry	O
Networks	O
BigIron	O
RX-16	O
switch	O
with	O
a	O
Tyco	O
MRJ-21	O
wiring	O
system	O
delivering	O
over	O
900	O
Gigabit	O
Ethernet	O
connections	O
and	O
eight	O
10	O
Gigabit	O
Ethernet	O
uplinks	O
.	O
</s>
<s>
Steele	B-Device
nodes	O
ran	O
Red	O
Hat	O
Enterprise	O
Linux	O
starting	O
with	O
release	O
4.0	O
and	O
used	O
Portable	B-Application
Batch	I-Application
System	I-Application
Professional	O
10.4.6	O
(	O
PBSPro	B-Application
10.4.6	O
)	O
for	O
resource	O
and	O
job	O
management	O
.	O
</s>
<s>
The	O
first	O
812	O
nodes	O
of	O
Steele	B-Device
were	O
installed	O
in	O
four	O
hours	O
on	O
May	O
5	O
,	O
2008	O
,	O
by	O
a	O
team	O
of	O
200	O
Purdue	O
computer	O
technicians	O
and	O
volunteers	O
,	O
including	O
volunteers	O
from	O
in-state	O
athletic	O
rival	O
Indiana	O
University	O
.	O
</s>
<s>
In	O
2010	O
,	O
Steele	B-Device
was	O
moved	O
to	O
an	O
HP	O
Performance	O
Optimized	O
Datacenter	O
,	O
a	O
self-contained	O
,	O
modular	O
,	O
shipping	O
container-style	O
unit	O
installed	O
on	O
campus	O
in	O
order	O
to	O
make	O
room	O
for	O
new	O
clusters	O
in	O
Purdue	O
's	O
main	O
research	O
computing	O
data	O
center	O
.	O
</s>
<s>
The	O
Steele	B-Device
supercomputer	B-Architecture
and	O
Purdue	O
's	O
other	O
clusters	O
were	O
part	O
of	O
the	O
Purdue	O
Community	O
Cluster	O
Program	O
,	O
a	O
partnership	O
between	O
ITaP	O
and	O
Purdue	O
faculty	O
.	O
</s>
<s>
Unused	O
,	O
or	O
opportunistic	O
,	O
cycles	O
from	O
Steele	B-Device
are	O
made	O
available	O
to	O
the	O
National	O
Science	O
Foundation	O
's	O
TeraGrid	B-Operating_System
(	O
now	O
the	O
Extreme	O
Science	O
and	O
Engineering	O
Discovery	O
Environment	O
)	O
system	O
and	O
the	O
Open	O
Science	O
Grid	O
using	O
Condor	B-Operating_System
software	O
.	O
</s>
<s>
A	O
portion	O
of	O
Steele	B-Device
also	O
was	O
dedicated	O
directly	O
to	O
TeraGrid	B-Operating_System
use	O
.	O
</s>
<s>
Steele	B-Device
users	O
came	O
fields	O
such	O
as	O
aeronautics	O
and	O
astronautics	O
,	O
agriculture	O
,	O
biology	O
,	O
chemistry	O
,	O
computer	O
and	O
information	O
technology	O
,	O
earth	O
and	O
atmospheric	O
sciences	O
,	O
mathematics	O
,	O
pharmacology	O
,	O
statistics	O
,	O
and	O
electrical	O
,	O
materials	O
and	O
mechanical	O
engineering	O
.	O
</s>
<s>
Steele	B-Device
also	O
served	O
the	O
Compact	O
Muon	O
Solenoid	O
Tier	O
2	O
Center	O
at	O
Purdue	O
,	O
one	O
of	O
the	O
particle	O
physics	O
experiments	O
conducted	O
with	O
the	O
Large	O
Hadron	O
Collider	O
.	O
</s>
<s>
Unused	O
,	O
or	O
opportunistic	O
,	O
cycles	O
from	O
Steele	B-Device
were	O
made	O
available	O
to	O
the	O
TeraGrid	B-Operating_System
and	O
the	O
Open	O
Science	O
Grid	O
using	O
Condor	B-Operating_System
software	O
.	O
</s>
<s>
Steele	B-Device
was	O
part	O
of	O
Purdue	O
's	O
distributed	O
computing	O
Condor	B-Operating_System
flock	O
,	O
and	O
the	O
center	O
of	O
DiaGrid	B-Operating_System
,	O
a	O
nearly	O
43,000	O
-processor	O
Condor-powered	O
distributed	O
computing	O
network	O
for	O
research	O
involving	O
Purdue	O
and	O
partners	O
at	O
nine	O
other	O
campuses	O
.	O
</s>
<s>
The	O
Steele	B-Device
cluster	O
is	O
named	O
for	O
John	O
M	O
.	O
Steele	B-Device
,	O
Purdue	O
associate	O
professor	O
emeritus	O
of	O
computer	O
science	O
,	O
who	O
was	O
involved	O
with	O
research	O
computing	O
at	O
Purdue	O
almost	O
from	O
its	O
inception	O
.	O
</s>
<s>
He	O
served	O
as	O
the	O
director	O
of	O
the	O
Purdue	O
University	O
Computing	O
Center	O
,	O
the	O
high-performance	B-Architecture
computing	I-Architecture
unit	O
at	O
Purdue	O
prior	O
to	O
the	O
Rosen	O
Center	O
for	O
Advanced	O
Computing	O
,	O
from	O
1988	O
to	O
2001	O
before	O
retiring	O
in	O
2003	O
.	O
</s>
