<s>
Stallo	B-Device
is	O
a	O
supercomputer	B-Architecture
at	O
the	O
University	O
of	O
Tromsø	O
.	O
</s>
<s>
It	O
was	O
put	O
into	O
use	O
on	O
the	O
10	O
December	O
2007	O
,	O
then	O
as	O
the	O
world	O
87th	O
most	O
powerful	O
supercomputer	B-Architecture
,	O
and	O
reached	O
,	O
in	O
June	O
2008	O
,	O
a	O
peak	O
of	O
62nd	O
in	O
the	O
TOP500	B-Operating_System
list	B-Operating_System
of	I-Operating_System
supercomputers	I-Operating_System
.	O
</s>
<s>
Stallo	B-Device
is	O
operated	O
through	O
NOTUR	O
,	O
the	O
Norwegian	O
Metacenter	O
for	O
Computational	O
Science	O
,	O
and	O
is	O
used	O
for	O
a	O
variety	O
of	O
tasks	O
by	O
universities	O
and	O
industry	O
.	O
</s>
<s>
Stallo	B-Device
is	O
a	O
1040	O
CPU	B-General_Concept
/	O
9,184	O
core	B-Architecture
system	O
employing	O
two	O
versions	O
of	O
Intel	B-Architecture
Xeon	I-Architecture
chipsets	I-Architecture
with	O
a	O
peak	O
performance	O
of	O
104	O
TFlop/s	O
.	O
</s>
<s>
Overall	O
Stallo	B-Device
has	O
19.7	O
TB	B-Application
RAM	B-Architecture
and	O
155.2	O
TB	B-Application
internal	O
disk	B-General_Concept
capacity	I-General_Concept
.	O
</s>
<s>
The	O
name	O
is	O
taken	O
from	O
a	O
mythical	O
figure	O
in	O
Sami	O
folklore	O
,	O
Stallo	B-Device
.	O
</s>
