<s>
ViVA	O
(	O
Virtual	B-Device
Vector	I-Device
Architecture	I-Device
)	O
is	O
a	O
technology	O
from	O
IBM	O
for	O
coupling	O
together	O
multiple	O
scalar	O
floating	B-General_Concept
point	I-General_Concept
units	I-General_Concept
to	O
act	O
as	O
a	O
single	O
vector	B-Operating_System
processor	I-Operating_System
.	O
</s>
<s>
This	O
kind	O
of	O
technology	O
is	O
highly	O
sought	O
after	O
for	O
scientific	O
computing	O
and	O
is	O
IBM	O
's	O
answer	O
to	O
the	O
vector-based	O
supercomputers	B-Architecture
pioneered	O
by	O
Cray	O
and	O
that	O
was	O
the	O
basis	O
for	O
NEC	O
's	O
Earth	B-Device
Simulator	I-Device
which	O
was	O
the	O
fastest	O
supercomputer	B-Architecture
in	O
the	O
world	O
2002-2004	O
.	O
</s>
<s>
ViVA	O
was	O
developed	O
and	O
implemented	O
by	O
IBM	O
together	O
with	O
National	O
Energy	O
Research	O
Scientific	O
Computing	O
Center	O
inside	O
the	O
Blue	O
Planet	O
project	O
where	O
they	O
had	O
8	O
dual	O
core	O
POWER5	B-Device
processors	O
made	O
into	O
one	O
vector	B-Operating_System
processor	I-Operating_System
capable	O
of	O
approximately	O
60-80	O
GFLOPS	O
of	O
computing	O
power	O
.	O
</s>
<s>
ViVA	O
technology	O
is	O
in	O
use	O
in	O
the	O
ASC	B-Device
Purple	I-Device
supercomputer	I-Device
.	O
</s>
<s>
Where	O
ViVA	O
was	O
a	O
software	O
implementation	O
in	O
high-end	O
POWER5	B-Device
based	O
systems	O
,	O
the	O
second	O
generation	O
,	O
ViVA-2	O
,	O
is	O
directly	O
supported	O
by	O
hardware	O
in	O
the	O
POWER6	B-Device
processor	O
.	O
</s>
