<s>
High	B-Language
Performance	I-Language
Fortran	I-Language
(	O
HPF	O
)	O
is	O
an	O
extension	O
of	O
Fortran	B-Application
90	I-Application
with	O
constructs	O
that	O
support	O
parallel	B-Operating_System
computing	I-Operating_System
,	O
published	O
by	O
the	O
High	B-Language
Performance	I-Language
Fortran	I-Language
Forum	O
(	O
HPFF	O
)	O
.	O
</s>
<s>
Building	O
on	O
the	O
array	B-Data_Structure
syntax	O
introduced	O
in	O
Fortran	B-Application
90	I-Application
,	O
HPF	O
uses	O
a	O
data	B-Operating_System
parallel	I-Operating_System
model	O
of	O
computation	O
to	O
support	O
spreading	O
the	O
work	O
of	O
a	O
single	O
array	B-Data_Structure
computation	O
over	O
multiple	O
processors	O
.	O
</s>
<s>
This	O
allows	O
efficient	O
implementation	O
on	O
both	O
SIMD	B-Device
and	O
MIMD	B-Operating_System
style	O
architectures	O
.	O
</s>
<s>
Fortran	B-Application
95	O
incorporated	O
several	O
HPF	O
capabilities	O
.	O
</s>
<s>
The	O
updated	O
report	O
removed	O
material	O
which	O
was	O
already	O
covered	O
by	O
Fortran	B-Application
95	O
.	O
</s>
<s>
Since	O
then	O
,	O
most	O
vendors	O
and	O
users	O
have	O
moved	O
to	O
OpenMP-based	O
parallel	B-Operating_System
processing	I-Operating_System
.	O
</s>
<s>
For	O
example	O
,	O
the	O
proposed	O
BIT	O
data	O
type	O
for	O
the	O
upcoming	O
Fortran-2008	O
standard	O
contains	O
a	O
number	O
of	O
new	O
intrinsic	O
functions	O
taken	O
directly	O
from	O
HPF	O
.	O
</s>
