<s>
PathScale	B-Language
Inc	O
.	O
was	O
a	O
company	O
that	O
developed	O
a	O
highly	O
optimizing	O
C	B-Language
,	O
C++	B-Language
,	O
and	O
Fortran	B-Application
compiler	B-Language
suite	O
for	O
the	O
x86-64	B-Device
microprocessor	B-Architecture
architectures	O
.	O
</s>
<s>
It	O
derives	O
from	O
the	O
SGI	O
compilers	B-Language
for	O
the	O
MIPS	B-Device
architecture	I-Device
R10000	B-General_Concept
processor	O
,	O
called	O
MIPSPro	O
.	O
</s>
<s>
PathScale	B-Language
was	O
founded	O
in	O
2001	O
as	O
Key	O
Research	O
and	O
its	O
original	O
mission	O
was	O
to	O
develop	O
clustered	B-Architecture
Linux	B-Application
server	O
solutions	O
based	O
on	O
a	O
low-cost	O
64-bit	O
design	O
.	O
</s>
<s>
In	O
late	O
2003	O
the	O
company	O
came	O
out	O
of	O
stealth	O
mode	O
and	O
was	O
called	O
PathScale	B-Language
.	O
</s>
<s>
The	O
word	O
PathScale	B-Language
is	O
descriptive	O
of	O
the	O
company	O
's	O
original	O
design	O
goals	O
for	O
clusters	O
.	O
</s>
<s>
In	O
early	O
2003	O
with	O
the	O
success	O
of	O
the	O
AMD	B-General_Concept
Opteron	I-General_Concept
,	O
efforts	O
at	O
the	O
company	O
switched	O
to	O
other	O
products	O
like	O
high-performance	O
64-bit	O
compilers	B-Language
.	O
</s>
<s>
The	O
seeds	O
of	O
the	O
company	O
were	O
sown	O
in	O
the	O
early	O
1980s	O
at	O
the	O
Lawrence	O
Livermore	O
National	O
Laboratory	O
,	O
where	O
four	O
of	O
the	O
company	O
's	O
seven	O
founders	O
worked	O
together	O
building	O
the	O
S1	O
supercomputer	B-Architecture
.	O
</s>
<s>
The	O
first	O
chief	O
technical	O
officer	O
at	O
PathScale	B-Language
,	O
Tom	O
McWilliams	O
,	O
had	O
the	O
initial	O
idea	O
for	O
the	O
company	O
and	O
incorporated	O
in	O
July	O
2001	O
.	O
</s>
<s>
Chow	O
was	O
formerly	O
chief	O
scientist	O
for	O
compilers	B-Language
at	O
SGI	O
and	O
MIPS	O
.	O
</s>
<s>
PathScale	B-Language
Inc	O
.	O
was	O
acquired	O
and	O
re-sold	O
several	O
times	O
.	O
</s>
<s>
A	O
network	O
technology	O
called	O
InfiniPath	O
was	O
marketed	O
as	O
TrueScale	O
by	O
QLogic	O
,	O
and	O
then	O
sold	O
to	O
Intel	O
and	O
became	O
the	O
basis	O
of	O
Omni-Path	B-Operating_System
.	O
</s>
<s>
Cray	O
owned	O
the	O
intellectual	O
property	O
until	O
March	O
2012	O
when	O
a	O
new	O
PathScale	B-Language
Inc	O
.	O
acquired	O
all	O
assets	O
.	O
</s>
<s>
On	O
June	O
13	O
,	O
2011	O
,	O
PathScale	B-Language
announced	O
that	O
the	O
EKOPath	O
4	O
compiler	B-Language
suite	O
would	O
become	O
open	O
source	O
software	O
and	O
licensed	O
under	O
the	O
GPL	B-License
.	O
</s>
