<s>
The	O
Slurm	B-Operating_System
Workload	I-Operating_System
Manager	I-Operating_System
,	O
formerly	O
known	O
as	O
Simple	B-Operating_System
Linux	I-Operating_System
Utility	I-Operating_System
for	I-Operating_System
Resource	I-Operating_System
Management	I-Operating_System
(	O
SLURM	B-Operating_System
)	O
,	O
or	O
simply	O
Slurm	B-Operating_System
,	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
job	B-General_Concept
scheduler	I-General_Concept
for	O
Linux	B-Application
and	O
Unix-like	B-Operating_System
kernels	B-Operating_System
,	O
used	O
by	O
many	O
of	O
the	O
world	O
's	O
supercomputers	B-Architecture
and	O
computer	B-Architecture
clusters	I-Architecture
.	O
</s>
<s>
Slurm	B-Operating_System
is	O
the	O
workload	O
manager	O
on	O
about	O
60%	O
of	O
the	O
TOP500	B-Operating_System
supercomputers	B-Architecture
.	O
</s>
<s>
Slurm	B-Operating_System
uses	O
a	O
best	O
fit	O
algorithm	O
based	O
on	O
Hilbert	B-General_Concept
curve	I-General_Concept
scheduling	I-General_Concept
or	O
fat	B-Protocol
tree	I-Protocol
network	O
topology	O
in	O
order	O
to	O
optimize	O
locality	O
of	O
task	O
assignments	O
on	O
parallel	O
computers	O
.	O
</s>
<s>
Slurm	B-Operating_System
began	O
development	O
as	O
a	O
collaborative	O
effort	O
primarily	O
by	O
Lawrence	O
Livermore	O
National	O
Laboratory	O
,	O
SchedMD	O
,	O
Linux	B-Application
NetworX	O
,	O
Hewlett-Packard	O
,	O
and	O
Groupe	O
Bull	O
as	O
a	O
Free	O
Software	O
resource	O
manager	O
.	O
</s>
<s>
The	O
name	O
is	O
a	O
reference	O
to	O
the	O
soda	O
in	O
Futurama	B-Application
.	O
</s>
<s>
It	O
has	O
since	O
evolved	O
into	O
a	O
sophisticated	O
batch	B-General_Concept
scheduler	I-General_Concept
capable	O
of	O
satisfying	O
the	O
requirements	O
of	O
many	O
large	O
computer	O
centers	O
.	O
</s>
<s>
,	O
TOP500	B-Operating_System
list	O
of	O
most	O
powerful	O
computers	O
in	O
the	O
world	O
indicates	O
that	O
Slurm	B-Operating_System
is	O
the	O
workload	O
manager	O
on	O
more	O
than	O
half	O
of	O
the	O
top	O
ten	O
systems	O
.	O
</s>
<s>
Slurm	B-Operating_System
's	O
design	O
is	O
very	O
modular	O
with	O
about	O
100	O
optional	O
plugins	O
.	O
</s>
<s>
Slurm	B-Operating_System
features	O
include	O
:	O
</s>
<s>
The	O
following	O
features	O
are	O
announced	O
for	O
version	O
14.11	O
of	O
Slurm	B-Operating_System
,	O
was	O
released	O
in	O
November	O
2014	O
:	O
</s>
<s>
Slurm	B-Operating_System
is	O
primarily	O
developed	O
to	O
work	O
alongside	O
Linux	B-Application
distributions	O
,	O
although	O
there	O
is	O
also	O
support	O
for	O
a	O
few	O
other	O
POSIX-based	O
operating	B-General_Concept
systems	I-General_Concept
,	O
including	O
BSDs	B-Operating_System
(	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
and	O
OpenBSD	B-Operating_System
)	O
.	O
</s>
<s>
Slurm	B-Operating_System
also	O
supports	O
several	O
unique	O
computer	O
architectures	O
,	O
including	O
:	O
</s>
<s>
Slurm	B-Operating_System
is	O
available	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
v2	O
.	O
</s>
<s>
In	O
2010	O
,	O
the	O
developers	O
of	O
Slurm	B-Operating_System
founded	O
SchedMD	O
,	O
which	O
maintains	O
the	O
canonical	O
source	O
,	O
provides	O
development	O
,	O
level	O
3	O
commercial	O
support	O
and	O
training	O
services	O
.	O
</s>
