<s>
The	O
Firefly	B-Device
computer	O
is	O
a	O
high-performance	B-Architecture
computer	I-Architecture
cluster	O
housed	O
at	O
the	O
Holland	O
Computing	O
Center	O
located	O
inside	O
of	O
the	O
Peter	O
Kiewit	O
Institute	O
at	O
the	O
University	O
of	O
Nebraska	O
Omaha	O
.	O
</s>
<s>
Each	O
node	O
is	O
connected	O
to	O
a	O
high-speed	O
,	O
low-latency	O
InfiniBand	B-Architecture
fabric	O
.	O
</s>
<s>
The	O
supercomputer	B-Architecture
ranked	O
43	O
of	O
500	O
in	O
the	O
Top	O
500	O
Supercomputing	B-Architecture
Sites	O
list	O
in	O
November	O
2007	O
but	O
has	O
since	O
dropped	O
out	O
of	O
the	O
top	O
500	O
since	O
the	O
Center	O
's	O
rating	O
was	O
not	O
updated	O
after	O
upgrades	O
.	O
</s>
