<s>
Brian	B-Application
is	O
an	O
open	O
source	O
Python	B-Language
package	O
for	O
developing	O
simulations	O
of	O
networks	O
of	O
spiking	B-Algorithm
neurons	I-Algorithm
.	O
</s>
<s>
Brian	B-Application
is	O
aimed	O
at	O
researchers	O
developing	O
models	O
based	O
on	O
networks	O
of	O
spiking	B-Algorithm
neurons	I-Algorithm
.	O
</s>
<s>
Brian	B-Application
is	O
written	O
in	O
Python	B-Language
.	O
</s>
<s>
Computationally	O
,	O
it	O
is	O
based	O
around	O
the	O
concept	O
of	O
code	O
generation	O
:	O
users	O
specify	O
the	O
model	O
in	O
Python	B-Language
but	O
behind	O
the	O
scenes	O
Brian	B-Application
generates	O
,	O
compiles	O
and	O
runs	O
code	O
in	O
one	O
of	O
several	O
languages	O
(	O
including	O
Python	B-Language
,	O
Cython	O
and	O
C++	O
)	O
.	O
</s>
<s>
In	O
addition	O
there	O
is	O
a	O
"	O
standalone	O
"	O
mode	O
in	O
which	O
Brian	B-Application
generates	O
an	O
entire	O
C++	O
source	O
code	O
tree	O
with	O
no	O
dependency	O
on	O
Brian	B-Application
,	O
allowing	O
models	O
to	O
be	O
run	O
on	O
platforms	O
where	O
Python	B-Language
is	O
not	O
available	O
.	O
</s>
<s>
Brian	B-Application
is	O
primarily	O
,	O
although	O
not	O
solely	O
,	O
aimed	O
at	O
single	O
compartment	O
neuron	O
models	O
.	O
</s>
<s>
Simulators	O
focused	O
on	O
multi-compartmental	O
models	O
include	O
Neuron	O
,	O
GENESIS	B-Application
,	O
and	O
its	O
derivatives	O
.	O
</s>
<s>
The	O
focus	O
of	O
Brian	B-Application
is	O
on	O
flexibility	O
and	O
ease	O
of	O
use	O
,	O
and	O
only	O
supports	O
simulations	O
running	O
on	O
a	O
single	O
machine	O
.	O
</s>
<s>
The	O
NEST	B-Application
simulator	O
includes	O
facilities	O
for	O
distributing	O
simulations	O
across	O
a	O
cluster	O
.	O
</s>
