<s>
Coates	B-Device
is	O
a	O
supercomputer	B-Architecture
installed	O
at	O
Purdue	O
University	O
on	O
July	O
21	O
,	O
2009	O
.	O
</s>
<s>
The	O
high-performance	B-Architecture
computing	I-Architecture
cluster	B-Architecture
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
Steele	B-Device
built	O
in	O
2008	O
,	O
Rossmann	O
built	O
in	O
2010	O
,	O
and	O
Hansen	O
and	O
Carter	O
built	O
in	O
2011	O
.	O
</s>
<s>
Coates	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
was	O
the	O
first	O
native	O
10	O
Gigabit	O
Ethernet	O
(	O
10GigE	O
)	O
cluster	B-Architecture
to	O
be	O
ranked	O
in	O
the	O
TOP500	O
and	O
placed	O
102nd	O
on	O
the	O
June	O
2010	O
list	O
.	O
</s>
<s>
The	O
Coates	B-Device
cluster	B-Architecture
consists	O
of	O
982	O
64-bit	O
,	O
8-core	O
HP	O
Proliant	O
DL165	O
G5p	O
and	O
11	O
64-bit	O
,	O
16-core	O
HP	O
Proliant	O
DL585	O
G5	O
systems	O
using	O
AMD	O
2380	O
and	O
AMD	O
8380	O
processors	O
with	O
various	O
combinations	O
of	O
16-128	O
gigabytes	O
of	O
RAM	O
,	O
500	O
GB	O
to	O
2	O
terabytes	O
of	O
disk	O
and	O
10	O
Gigabit	O
Ethernet	O
(	O
10GigE	O
)	O
local	O
to	O
each	O
node	B-Protocol
.	O
</s>
<s>
Coates	B-Device
uses	O
Cisco	O
and	O
Chelsio	O
network	O
equipment	O
.	O
</s>
<s>
The	O
cluster	B-Architecture
's	O
nodes	O
are	O
arrayed	O
in	O
five	O
logical	O
sub-clusters	O
each	O
with	O
different	O
memory	O
and	O
storage	O
configurations	O
designed	O
to	O
meet	O
the	O
varying	O
needs	O
of	O
the	O
researchers	O
using	O
Coates	B-Device
.	O
</s>
<s>
Coates	B-Device
nodes	O
run	O
Red	O
Hat	O
Enterprise	O
Linux	O
5.6	O
(	O
RHEL5.6	O
)	O
and	O
use	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
cluster	B-Architecture
also	O
has	O
compilers	O
and	O
scientific	O
programming	O
libraries	O
installed	O
.	O
</s>
<s>
Coates	B-Device
has	O
a	O
heat-exchanging	O
cooling	B-General_Concept
system	I-General_Concept
that	O
recycles	O
the	O
hot	O
water	O
for	O
use	O
on	O
the	O
Purdue	O
campus	O
.	O
</s>
<s>
Coates	B-Device
was	O
largely	O
built	O
in	O
less	O
than	O
four	O
hours	O
on	O
July	O
21	O
,	O
2009	O
,	O
by	O
a	O
team	O
of	O
more	O
than	O
200	O
Purdue	O
computer	O
technicians	O
and	O
volunteers	O
,	O
including	O
volunteers	O
from	O
Indiana	O
University	O
,	O
the	O
University	O
of	O
Iowa	O
,	O
the	O
University	O
of	O
Michigan	O
and	O
Michigan	O
State	O
University	O
.	O
</s>
<s>
It	O
was	O
the	O
second	O
such	O
"	O
high-tech	O
barn	O
raising	O
"	O
hosted	O
by	O
Purdue	O
to	O
assemble	O
a	O
cluster	B-Architecture
in	O
a	O
single	O
morning	O
.	O
</s>
<s>
The	O
process	O
was	O
first	O
used	O
for	O
the	O
Steele	B-Device
cluster	B-Architecture
in	O
2008	O
.	O
</s>
<s>
The	O
Coates	B-Device
supercomputer	B-Architecture
and	O
Purdue	O
's	O
other	O
clusters	O
are	O
part	O
of	O
the	O
Purdue	O
Community	O
Cluster	B-Architecture
Program	O
,	O
a	O
partnership	O
between	O
ITaP	O
and	O
Purdue	O
faculty	O
.	O
</s>
<s>
In	O
Purdue	O
's	O
program	O
,	O
a	O
"	O
community	O
"	O
cluster	B-Architecture
is	O
funded	O
by	O
hardware	O
money	O
from	O
grants	O
,	O
faculty	O
startup	O
packages	O
,	O
institutional	O
funds	O
and	O
other	O
sources	O
.	O
</s>
<s>
The	O
Purdue	O
departments	O
and	O
schools	O
by	O
which	O
Coates	B-Device
is	O
used	O
vary	O
broadly	O
,	O
including	O
Aeronautics	O
and	O
Astronautics	O
,	O
Agronomy	O
,	O
Biology	O
,	O
Chemical	O
Engineering	O
,	O
Chemistry	O
,	O
Civil	O
Engineering	O
,	O
Communications	O
,	O
Computer	O
Science	O
,	O
Earth	O
and	O
Atmospheric	O
Sciences	O
,	O
Electrical	O
and	O
Computer	O
Engineering	O
,	O
Electrical	O
and	O
Computer	O
Engineering	O
Technology	O
,	O
Industrial	O
Engineering	O
,	O
Mechanical	O
Engineering	O
,	O
Medicinal	O
Chemistry	O
and	O
Molecular	O
Pharmacology	O
,	O
Physics	O
,	O
the	O
Purdue	O
Terrestrial	O
Observatory	O
and	O
Statistics	O
.	O
</s>
<s>
Unused	O
,	O
or	O
opportunistic	O
,	O
cycles	O
from	O
Coates	B-Device
are	O
made	O
available	O
to	O
the	O
TeraGrid	O
and	O
the	O
Open	O
Science	O
Grid	O
using	O
Condor	B-Operating_System
software	O
.	O
</s>
<s>
Coates	B-Device
is	O
part	O
of	O
Purdue	O
's	O
distributed	O
computing	O
Condor	B-Operating_System
flock	O
,	O
which	O
is	O
the	O
largest	O
publicly	O
disclosed	O
distributed	O
computing	O
system	O
in	O
the	O
world	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
Coates	B-Device
cluster	B-Architecture
is	O
named	O
for	O
Clarence	O
L	O
.	O
"	O
Ben	O
"	O
Coates	B-Device
,	O
who	O
came	O
to	O
Purdue	O
in	O
1973	O
to	O
head	O
the	O
School	O
of	O
Electrical	O
Engineering	O
(	O
now	O
Electrical	O
and	O
Computer	O
Engineering	O
)	O
where	O
,	O
for	O
the	O
next	O
decade	O
,	O
he	O
emphasized	O
computer	O
education	O
and	O
the	O
development	O
of	O
computing	O
facilities	O
.	O
</s>
<s>
He	O
was	O
a	O
driving	O
force	O
behind	O
the	O
high-performance	B-Architecture
computing	I-Architecture
and	O
networking	O
plan	O
that	O
led	O
to	O
the	O
creation	O
of	O
the	O
Engineering	O
Computer	O
Network	O
(	O
ECN	O
)	O
serving	O
all	O
of	O
Purdue	O
’s	O
engineering	O
schools	O
.	O
</s>
<s>
As	O
a	O
research	O
scientist	O
at	O
the	O
General	O
Electric	O
Research	O
Laboratory	O
in	O
New	O
York	O
,	O
Coates	B-Device
developed	O
five	O
patents	O
involving	O
waveform	O
recognition	O
devices	O
,	O
circuit	O
gates	O
and	O
accumulators	O
on	O
computer	O
chips	O
.	O
</s>
<s>
The	O
Coates	B-Device
cluster	B-Architecture
continues	O
Purdue	O
's	O
practice	O
of	O
naming	O
new	O
supercomputers	B-Architecture
after	O
notable	O
figures	O
in	O
the	O
university	O
's	O
computing	O
history	O
.	O
</s>
