<s>
LINPACK	B-Application
is	O
a	O
software	B-Library
library	I-Library
for	O
performing	O
numerical	O
linear	B-Language
algebra	I-Language
on	O
digital	O
computers	O
.	O
</s>
<s>
It	O
was	O
written	O
in	O
Fortran	B-Application
by	O
Jack	O
Dongarra	O
,	O
Jim	O
Bunch	O
,	O
Cleve	O
Moler	O
,	O
and	O
Gilbert	O
Stewart	O
,	O
and	O
was	O
intended	O
for	O
use	O
on	O
supercomputers	B-Architecture
in	O
the	O
1970s	O
and	O
early	O
1980s	O
.	O
</s>
<s>
It	O
has	O
been	O
largely	O
superseded	O
by	O
LAPACK	B-Application
,	O
which	O
runs	O
more	O
efficiently	O
on	O
modern	O
architectures	O
.	O
</s>
<s>
LINPACK	B-Application
makes	O
use	O
of	O
the	O
BLAS	B-Application
(	O
Basic	B-Application
Linear	I-Application
Algebra	I-Application
Subprograms	I-Application
)	O
libraries	O
for	O
performing	O
basic	O
vector	O
and	O
matrix	O
operations	O
.	O
</s>
<s>
The	O
LINPACK	B-Device
benchmarks	I-Device
appeared	O
initially	O
as	O
part	O
of	O
the	O
LINPACK	B-Application
user	O
's	O
manual	O
.	O
</s>
<s>
The	O
parallel	O
LINPACK	B-Device
benchmark	I-Device
implementation	O
called	O
HPL	O
(	O
High	O
Performance	O
Linpack	B-Application
)	O
is	O
used	O
to	O
benchmark	O
and	O
rank	O
supercomputers	B-Architecture
for	O
the	O
TOP500	B-Operating_System
list	O
.	O
</s>
