<s>
The	O
SX-6	B-Device
is	O
a	O
NEC	B-Device
SX	I-Device
supercomputer	O
built	O
by	O
NEC	O
Corporation	O
that	O
debuted	O
in	O
2001	O
;	O
the	O
SX-6	B-Device
was	O
sold	O
under	O
license	O
by	O
Cray	O
Inc	O
.	O
in	O
the	O
U.S.	O
Each	O
SX-6	B-Device
single-node	O
system	O
contains	O
up	O
to	O
eight	O
vector	B-Operating_System
processors	I-Operating_System
,	O
which	O
share	O
up	O
to	O
64	O
GB	O
of	O
computer	B-General_Concept
memory	I-General_Concept
.	O
</s>
<s>
The	O
SX-6	B-Device
processor	O
is	O
a	O
single	O
chip	O
implementation	O
containing	O
a	O
vector	B-Operating_System
processor	I-Operating_System
unit	O
and	O
a	O
scalar	B-General_Concept
processor	I-General_Concept
fabricated	O
in	O
a	O
0.15	O
μm	O
CMOS	B-Device
process	O
with	O
copper	O
interconnects	O
,	O
whereas	O
the	O
SX-5	O
was	O
a	O
multi-chip	O
implementation	O
.	O
</s>
<s>
The	O
Earth	B-Device
Simulator	I-Device
is	O
based	O
on	O
the	O
SX-6	B-Device
architecture	O
.	O
</s>
<s>
The	O
vector	B-Operating_System
processor	I-Operating_System
is	O
made	O
up	O
of	O
eight	O
vector	O
pipeline	O
units	O
each	O
with	O
seventy-two	O
256-word	O
vector	O
registers	O
.	O
</s>
<s>
The	O
scalar	O
unit	O
is	O
64	O
bits	O
wide	O
and	O
contains	O
a	O
64	O
KB	O
cache	B-General_Concept
.	O
</s>
<s>
Branch	B-General_Concept
prediction	I-General_Concept
and	O
speculative	B-General_Concept
execution	I-General_Concept
is	O
supported	O
.	O
</s>
<s>
A	O
multi-node	O
system	O
is	O
configured	O
by	O
interconnecting	O
up	O
to	O
128	O
single-node	O
systems	O
via	O
a	O
high-speed	O
,	O
low-latency	O
IXS	O
(	O
Internode	O
Crossbar	O
Switch	O
)	O
.	O
</s>
<s>
The	O
peak	O
performance	O
of	O
the	O
SX-6	B-Device
series	O
vector	B-Operating_System
processors	I-Operating_System
is	O
8	O
GFLOPS	O
.	O
</s>
<s>
Thus	O
a	O
single-node	O
system	O
provides	O
a	O
peak	O
performance	O
of	O
64	O
GFLOPS	O
,	O
while	O
a	O
multi-node	O
system	O
provides	O
up	O
to	O
8	O
TFLOPS	O
of	O
peak	O
floating-point	B-Algorithm
performance	O
.	O
</s>
<s>
The	O
SX-6	B-Device
uses	O
SUPER-UX	B-Operating_System
,	O
a	O
Unix-like	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
developed	O
by	O
NEC	O
.	O
</s>
<s>
The	O
default	O
batch	B-General_Concept
processing	I-General_Concept
system	O
is	O
NQSII	O
,	O
but	O
open	O
source	O
batch	B-General_Concept
systems	I-General_Concept
such	O
as	O
Sun	B-Operating_System
Grid	I-Operating_System
Engine	I-Operating_System
are	O
also	O
supported	O
.	O
</s>
