<s>
Tera	B-Device
100	I-Device
is	O
a	O
supercomputer	B-Architecture
built	O
by	O
Bull	O
SA	O
for	O
the	O
French	O
Commissariat	O
à	O
l'Énergie	O
Atomique	O
.	O
</s>
<s>
On	O
May	O
26	O
,	O
2010	O
,	O
Tera	B-Device
100	I-Device
was	O
turned	O
on	O
.	O
</s>
<s>
It	O
has	O
4300	O
Bullx	O
Series	O
S	O
servers	O
( 	O
 '	O
Mesca	O
 '	O
)	O
,	O
140,000	O
Intel	B-Device
Xeon	I-Device
7500	O
processor	O
cores	O
,	O
and	O
300TB	O
of	O
memory	O
.	O
</s>
<s>
The	O
Interconnect	O
is	O
QDR	O
InfiniBand	B-Architecture
.	O
</s>
<s>
It	O
uses	O
the	O
SLURM	B-Operating_System
resource	O
manager	O
for	O
scheduling	O
batch	O
jobs	O
.	O
</s>
<s>
Tera	B-Device
100	I-Device
uses	O
Bull	O
XBAS	O
Linux	O
,	O
a	O
partly	O
Red	O
Hat	O
Enterprise	O
Linux	O
derivative	O
.	O
</s>
<s>
In	O
June	O
2011	O
,	O
TOP500	B-Operating_System
deemed	O
it	O
the	O
ninth	O
fastest	B-Operating_System
supercomputer	I-Operating_System
in	O
the	O
world	O
,	O
and	O
in	O
2020	O
,	O
it	O
had	O
dropped	O
off	O
the	O
list	O
.	O
</s>
