<s>
PGI	O
(	O
formerly	O
The	B-Application
Portland	I-Application
Group	I-Application
,	O
Inc	O
.	O
)	O
was	O
a	O
company	O
that	O
produced	O
a	O
set	O
of	O
commercially	O
available	O
Fortran	B-Application
,	O
C	B-Language
and	O
C++	B-Language
compilers	B-Language
for	O
high-performance	B-Architecture
computing	I-Architecture
systems	O
.	O
</s>
<s>
On	O
July	O
29	O
,	O
2013	O
,	O
Nvidia	O
acquired	O
The	B-Application
Portland	I-Application
Group	I-Application
,	O
Inc	O
.	O
As	O
of	O
August	O
5	O
,	O
2020	O
,	O
the	O
"	O
PGI	B-Application
Compilers	I-Application
and	O
Tools	O
"	O
technology	O
is	O
a	O
part	O
of	O
the	O
Nvidia	O
HPC	O
SDK	O
product	O
available	O
as	O
a	O
free	O
download	O
from	O
Nvidia	O
.	O
</s>
<s>
The	B-Application
Portland	I-Application
Group	I-Application
was	O
founded	O
as	O
a	O
privately	O
held	O
company	O
in	O
1989	O
,	O
using	O
compiler	B-Language
technology	O
developed	O
at	O
and	O
acquired	O
from	O
Floating	O
Point	O
Systems	O
Inc	O
.	O
</s>
<s>
The	O
first	O
products	O
,	O
pipelining	B-General_Concept
Fortran	B-Application
and	O
C	B-Language
compilers	B-Language
,	O
were	O
released	O
in	O
1991	O
,	O
targeting	O
the	O
Intel	B-General_Concept
i860	I-General_Concept
processor	O
.	O
</s>
<s>
These	O
compilers	B-Language
were	O
used	O
on	O
Intel	O
supercomputers	B-Architecture
like	O
the	O
iPSC/860	O
,	O
the	O
Touchstone	B-Device
Delta	I-Device
,	O
and	O
the	O
Paragon	B-Device
,	O
and	O
were	O
the	O
compilers	B-Language
of	O
choice	O
for	O
the	O
majority	O
of	O
i860-based	O
platforms	O
.	O
</s>
<s>
In	O
the	O
early	O
1990s	O
,	O
PGI	O
was	O
deeply	O
involved	O
in	O
the	O
development	O
of	O
High	B-Language
Performance	I-Language
Fortran	I-Language
,	O
or	O
HPF	O
,	O
a	O
data	O
parallel	O
language	O
extension	O
to	O
Fortran	B-Application
90	O
which	O
provides	O
a	O
portable	O
programming	O
interface	O
for	O
a	O
wide	O
variety	O
of	O
architectures	O
.	O
</s>
<s>
PGI	O
produced	O
an	O
HPF	O
compiler	B-Language
,	O
called	O
PGHPF	O
,	O
until	O
its	O
last	O
release	O
,	O
version	O
15.10	O
,	O
on	O
October	O
28	O
,	O
2015	O
.	O
</s>
<s>
In	O
1996	O
,	O
PGI	O
developed	O
x86	B-Operating_System
compilers	B-Language
for	O
the	O
ASCI	B-Device
Red	I-Device
Supercomputer	B-Architecture
at	O
Sandia	O
National	O
Laboratories	O
,	O
the	O
first	O
computer	O
system	O
to	O
sustain	O
teraflop	O
performance	O
.	O
</s>
<s>
In	O
1997	O
,	O
PGI	O
released	O
x86	B-Operating_System
compilers	B-Language
for	O
general	O
use	O
on	O
Linux	B-Application
workstations	O
.	O
</s>
<s>
The	B-Application
Portland	I-Application
Group	I-Application
was	O
acquired	O
by	O
STMicroelectronics	O
on	O
December	O
19	O
,	O
2000	O
.	O
</s>
<s>
During	O
STMicroelectronics	O
ownership	O
,	O
PGI	O
operated	O
as	O
a	O
wholly	O
owned	O
subsidiary	O
producing	O
high-performance	B-Architecture
computing	I-Architecture
(	O
HPC	O
)	O
compilers	B-Language
and	O
tools	O
for	O
Linux	B-Application
,	O
Windows	O
,	O
Mac	B-Application
OS	I-Application
,	O
and	O
STMicroelectronics	O
ST100	O
series	O
of	O
embedded	O
DSP	O
cores	O
.	O
</s>
<s>
PGI	O
and	O
NVIDIA	O
have	O
both	O
participated	O
in	O
the	O
specification	O
of	O
the	O
new	O
standard	O
OpenACC	B-Operating_System
directives	O
for	O
GPU	B-Architecture
computing	I-Architecture
since	O
it	O
was	O
first	O
announced	O
on	O
November	O
3	O
,	O
2011	O
.	O
</s>
<s>
On	O
May	O
21	O
,	O
2013	O
,	O
PGI	O
released	O
a	O
compiler	B-Language
for	O
the	O
OpenCL	B-Application
language	O
on	O
multi-core	O
ARM	B-Architecture
processors	I-Architecture
.	O
</s>
<s>
Nvidia	O
acquired	O
PGI	O
from	O
STMicroelectronics	O
on	O
July	O
29	O
,	O
2013	O
and	O
offered	O
the	O
PGI	O
technology	O
under	O
the	O
"	O
PGI	B-Application
Compilers	I-Application
and	O
Tools	O
"	O
product	O
line	O
.	O
</s>
<s>
On	O
August	O
5	O
,	O
2020	O
,	O
Nvidia	O
announced	O
that	O
the	O
"	O
PGI	B-Application
Compilers	I-Application
and	O
Tools	O
"	O
product	O
line	O
has	O
evolved	O
into	O
a	O
new	O
NVIDIA	O
HPC	O
SDK	O
product	O
available	O
as	O
a	O
free	O
download	O
from	O
Nvidia	O
.	O
</s>
<s>
The	O
Nvidia	O
HPC	O
SDK	O
includes	O
rebranded	O
PGI	B-Application
compilers	I-Application
and	O
added	O
features	O
for	O
developing	O
HPC	O
applications	O
.	O
</s>
<s>
PGI	B-Application
compilers	I-Application
incorporate	O
global	O
optimization	O
,	O
vectorization	O
,	O
software	O
pipelining	B-General_Concept
,	O
and	O
shared-memory	O
parallelization	O
capabilities	O
targeting	O
both	O
Intel	O
and	O
AMD	O
processors	O
.	O
</s>
<s>
Below	O
is	O
a	O
list	O
of	O
the	O
PGI	B-Application
compilers	I-Application
that	O
have	O
been	O
rebranded	O
and	O
integrated	O
into	O
the	O
Nvidia	O
HPC	O
SDK	O
:	O
</s>
<s>
PGI	O
also	O
provided	O
a	O
parallel	O
debugger	B-Application
,	O
PGDBG	O
,	O
and	O
a	O
performance	O
profiler	O
,	O
PGPROF	O
,	O
both	O
of	O
which	O
supported	O
OpenMP	B-Application
and	O
MPI	O
parallelism	O
on	O
Linux	B-Application
,	O
Windows	O
,	O
and	O
Mac	B-Application
OS	I-Application
.	O
</s>
<s>
On	O
Windows	O
,	O
the	O
PGI	O
Fortran	B-Application
compiler	B-Language
and	O
debugger	B-Application
was	O
fully	O
integrated	O
into	O
Microsoft	B-Application
Visual	I-Application
Studio	I-Application
as	O
a	O
product	O
called	O
PGI	O
Visual	B-Application
Fortran	I-Application
(	O
PVF	O
)	O
.	O
</s>
<s>
Mac	B-Application
OS	I-Application
support	O
and	O
the	O
PVF	O
product	O
were	O
discontinued	O
after	O
the	O
release	O
of	O
PGI	O
version	O
19.10	O
on	O
November	O
6	O
,	O
2019	O
.	O
</s>
<s>
Below	O
is	O
a	O
list	O
of	O
PGI	O
programming	B-Application
tools	I-Application
that	O
have	O
been	O
retired	O
and	O
replaced	O
by	O
other	O
Nvidia	O
programming	B-Application
tools	I-Application
in	O
the	O
Nvidia	O
HPC	O
SDK	O
:	O
</s>
<s>
2013	O
–	O
PGI	O
OpenCL	B-Application
compiler	B-Language
for	O
Multi-core	O
ARM	B-Architecture
CPUs	O
.	O
</s>
<s>
Nvidia	O
offers	O
the	O
PGI	O
technology	O
under	O
a	O
"	O
PGI	B-Application
Compilers	I-Application
and	O
Tools	O
"	O
product	O
line	O
.	O
</s>
<s>
2015	O
-	O
Flang	O
,	O
an	O
open	O
source	O
Fortran	B-Application
Front-End	O
for	O
LLVM	B-Application
,	O
is	O
released	O
.	O
</s>
<s>
2018	O
-	O
Development	O
of	O
a	O
new	O
Flang	O
Fortran	B-Application
Front-End	O
,	O
based	O
on	O
the	O
Fortran	B-Application
2018	O
standard	O
,	O
begins	O
.	O
</s>
<s>
Nvidia	O
retires	O
the	O
"	O
PGI	B-Application
Compilers	I-Application
and	O
Tools	O
"	O
brand	O
name	O
.	O
</s>
