<s>
The	O
NEC	O
SX-Aurora	O
TSUBASA	O
is	O
a	O
vector	B-Operating_System
processor	I-Operating_System
of	O
the	B-Device
NEC	I-Device
SX	I-Device
architecture	O
family	O
.	O
</s>
<s>
Unlike	O
previous	O
SX	O
supercomputers	B-Architecture
,	O
the	O
SX-Aurora	B-Device
TSUBASA	I-Device
is	O
provided	O
as	O
a	O
PCIe	O
card	O
,	O
termed	O
by	O
NEC	O
as	O
a	O
"	O
Vector	O
Engine	O
"	O
(	O
VE	O
)	O
.	O
</s>
<s>
Eight	O
VE	O
cards	O
can	O
be	O
inserted	O
into	O
a	O
vector	O
host	O
(	O
VH	O
)	O
which	O
is	O
typically	O
a	O
x86-64	B-Device
server	O
running	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
The	O
product	O
succeeds	O
the	O
SX-ACE	B-Device
.	O
</s>
<s>
SX-Aurora	B-Device
TSUBASA	I-Device
is	O
a	O
successor	O
to	O
the	B-Device
NEC	I-Device
SX	I-Device
series	O
and	O
SUPER-UX	B-Operating_System
,	O
which	O
are	O
vector	B-Operating_System
computer	I-Operating_System
systems	O
upon	O
which	O
the	O
Earth	B-Device
Simulator	I-Device
supercomputer	B-Architecture
is	O
based	O
.	O
</s>
<s>
Its	O
hardware	O
consists	O
of	O
x86	B-Application
Linux	I-Application
hosts	I-Application
with	O
vector	O
engines	O
(	O
VEs	O
)	O
connected	O
via	O
PCI	O
express	O
(	O
PCIe	O
)	O
interconnect	O
.	O
</s>
<s>
Depending	O
on	O
the	O
clock	O
frequency	O
(	O
1.4	O
or	O
1.6GHz	O
)	O
,	O
each	O
VE	O
CPU	B-General_Concept
has	O
eight	O
cores	O
and	O
a	O
peak	O
performance	O
of	O
2.15	O
or	O
2.45TFLOPS	O
in	O
double	O
precision	O
.	O
</s>
<s>
The	O
memory	O
of	O
the	O
SX-Aurora	B-Device
TSUBASA	I-Device
processor	O
consists	O
of	O
six	O
HBM2	O
second	O
generation	O
high-bandwidth	O
memory	O
modules	O
implemented	O
in	O
the	O
same	O
package	O
as	O
the	O
CPU	B-General_Concept
with	O
the	O
help	O
of	O
Chip-on-Wafer-on-Substrate	O
technology	O
.	O
</s>
<s>
NEC	O
is	O
currently	O
selling	O
the	O
SX-Aurora	B-Device
TSUBASA	I-Device
vector	O
engine	O
integrated	O
into	O
four	O
platforms	O
:	O
</s>
<s>
This	O
is	O
the	O
only	O
configuration	O
that	O
is	O
explicitly	O
sold	O
as	O
a	O
supercomputer	B-Architecture
.	O
</s>
<s>
Large	O
parallel	O
systems	O
built	O
with	O
SX-Aurora	O
use	O
Infiniband	B-Architecture
in	O
a	O
PeerDirect	O
setup	O
as	O
interconnect	O
.	O
</s>
<s>
NEC	O
also	O
used	O
to	O
sell	O
the	O
SX-Aurora	B-Device
TSUBASA	I-Device
vector	O
engine	O
integrated	O
into	O
five	O
platforms	O
:	O
</s>
<s>
VEOS	O
supports	O
multitasking	O
on	O
the	O
VE	O
and	O
almost	O
all	O
Linux	B-Application
system	O
calls	O
are	O
supported	O
in	O
the	O
VE	O
libc	O
.	O
</s>
<s>
All	O
VE	O
operating	O
system	O
related	O
packages	O
are	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
and	O
have	O
been	O
published	O
at	O
.	O
</s>
