<s>
Simple	B-Operating_System
Grid	I-Operating_System
Protocol	I-Operating_System
is	O
a	O
free	O
open	O
source	O
grid	B-Architecture
computing	I-Architecture
package	O
.	O
</s>
<s>
Developed	O
&	O
maintained	O
by	O
Brendan	O
Kosowski	O
,	O
the	O
package	O
includes	O
the	O
protocol	O
&	O
software	O
tools	O
needed	O
to	O
get	O
a	O
computational	B-Architecture
grid	I-Architecture
up	O
and	O
running	O
on	O
Linux	B-Application
&	O
BSD	B-Operating_System
.	O
</s>
<s>
Coded	O
in	O
SBCL	B-Language
(	O
Steel	B-Language
Bank	I-Language
Common	I-Language
Lisp	I-Language
)	O
,	O
Simple	B-Operating_System
Grid	I-Operating_System
Protocol	I-Operating_System
allows	O
computer	O
programs	O
to	O
utilize	O
the	O
unused	O
CPU	O
resources	O
of	O
other	O
computers	O
on	O
a	O
network	O
or	O
the	O
Internet	O
.	O
</s>
<s>
As	O
of	O
version	O
1.2	O
,	O
Simple	B-Operating_System
Grid	I-Operating_System
Protocol	I-Operating_System
can	O
execute	O
multiple	O
programming	O
threads	O
on	O
multiple	O
computers	O
concurrently	O
.	O
</s>
<s>
Custom	O
multi-threading	O
functions	O
(	O
utilizing	O
operating	B-General_Concept
system	I-General_Concept
threads	O
)	O
for	O
Linux	B-Application
&	O
BSD	B-Operating_System
allow	O
multi-threading	O
on	O
single-thread	O
SBCL	B-Language
implementations	O
.	O
</s>
<s>
Originally	O
coded	O
in	O
CLISP	B-Application
,	O
version	O
1.2	O
included	O
the	O
change	O
to	O
SBCL	B-Language
coding	O
.	O
</s>
<s>
BSD	B-Operating_System
Operating	I-Operating_System
Systems	I-Operating_System
supported	O
include	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
,	O
OpenBSD	B-Operating_System
&	O
DragonFly	B-Application
BSD	I-Application
.	O
</s>
<s>
An	O
optional	O
XML	B-Protocol
interface	O
allows	O
any	O
XML	B-Protocol
capable	O
programming	O
language	O
to	O
send	O
Lisp	O
programs	O
to	O
the	O
grid	O
for	O
execution	O
.	O
</s>
