<s>
The	O
Advanced	B-General_Concept
Simulation	I-General_Concept
and	I-General_Concept
Computing	I-General_Concept
Program	I-General_Concept
(	O
or	O
ASC	O
)	O
is	O
a	O
super-computing	B-Architecture
program	O
run	O
by	O
the	O
National	O
Nuclear	O
Security	O
Administration	O
,	O
in	O
order	O
to	O
simulate	O
,	O
test	O
,	O
and	O
maintain	O
the	O
United	O
States	O
nuclear	O
stockpile	O
.	O
</s>
<s>
In	O
response	O
,	O
the	O
National	O
Nuclear	O
Security	O
Administration	O
began	O
to	O
simulate	O
the	O
nuclear	O
warheads	O
using	O
supercomputers	B-Architecture
.	O
</s>
<s>
Over	O
the	O
years	O
,	O
due	O
to	O
Moore	O
's	O
Law	O
,	O
the	O
ASC	O
program	O
has	O
created	O
several	O
different	O
supercomputers	B-Architecture
with	O
increasing	O
power	O
,	O
in	O
order	O
to	O
compute	O
the	O
simulations	O
and	O
mathematics	O
.	O
</s>
<s>
In	O
celebration	O
of	O
25	O
years	O
of	O
ASC	O
accomplishments	O
,	O
the	O
Advanced	B-General_Concept
Simulation	I-General_Concept
and	I-General_Concept
Computing	I-General_Concept
Program	I-General_Concept
has	O
published	O
.	O
</s>
<s>
The	O
majority	O
of	O
ASC	O
's	O
research	O
is	O
done	O
on	O
super-computers	B-Architecture
in	O
three	O
different	O
laboratories	O
.	O
</s>
<s>
The	O
ASC	O
program	O
currently	O
houses	O
numerous	O
supercomputers	B-Architecture
on	O
the	O
TOP500	B-Operating_System
list	O
for	O
computing	O
power	O
.	O
</s>
<s>
ASCI	O
Q	O
:	O
Installed	O
in	O
2003	O
,	O
it	O
was	O
a	O
DEC	B-Device
AlphaServer	I-Device
SC45/GS	O
Cluster	O
and	O
reached	O
7.727	O
Teraflops	O
.	O
</s>
<s>
ASQI	O
Q	O
used	O
DEC	B-Device
Alpha	I-Device
1250MHz	O
(	O
2.5	O
GFlops	O
)	O
processors	O
and	O
a	O
Quadrics	B-General_Concept
interconnect	O
.	O
</s>
<s>
ASCI	O
Q	O
placed	O
as	O
the	O
2nd	O
fastest	B-Operating_System
supercomputer	I-Operating_System
in	O
the	O
world	O
in	O
2003	O
.	O
</s>
<s>
The	O
Computational	O
and	O
User	O
Support	O
subdivision	O
is	O
responsible	O
for	O
maintaining	O
and	O
creating	O
the	O
supercomputer	B-Architecture
software	O
according	O
to	O
NNSA	O
's	O
standards	O
.	O
</s>
<s>
The	O
ASCI	O
Path	O
Forward	O
project	O
substantially	O
funded	O
the	O
initial	O
development	O
of	O
the	O
Lustre	B-Application
parallel	I-Application
file	I-Application
system	I-Application
from	O
2001	O
to	O
2004	O
.	O
</s>
<s>
The	O
Integrated	O
Codes	O
subdivision	O
is	O
responsible	O
for	O
the	O
mathematical	O
codes	O
that	O
are	O
produced	O
by	O
the	O
supercomputers	B-Architecture
.	O
</s>
<s>
The	O
Advanced	O
Technology	O
Development	O
and	O
Mitigation	O
subdivision	O
is	O
responsible	O
for	O
researching	O
developments	O
in	O
high	B-Architecture
performance	I-Architecture
computing	I-Architecture
.	O
</s>
<s>
Once	O
information	O
is	O
found	O
on	O
the	O
next	O
generation	O
of	O
high	B-Architecture
performance	I-Architecture
computing	I-Architecture
,	O
they	O
decide	O
what	O
software	O
and	O
hardware	O
needs	O
to	O
be	O
adapted	O
in	O
order	O
to	O
prepare	O
for	O
the	O
next	O
generation	O
of	O
computers	O
.	O
</s>
