<s>
SCOOP	O
(	O
Scalable	O
Concurrent	O
Operations	O
in	O
Python	B-Language
)	O
is	O
a	O
Python	B-Language
software	I-Language
module	O
for	O
distributing	O
concurrent	O
tasks	O
on	O
various	O
environments	O
,	O
from	O
heterogeneous	O
grids	O
of	O
workstations	O
to	O
supercomputers	O
.	O
</s>
<s>
It	O
uses	O
ØMQ	B-Operating_System
and	O
the	O
package	O
as	O
building	O
blocks	O
to	O
encapsulate	O
and	O
distribute	O
tasks	O
(	O
named	O
a	O
Future	B-Operating_System
)	O
between	O
processes	O
and/or	O
systems	O
.	O
</s>
<s>
These	O
resources	O
need	O
to	O
be	O
accessible	O
through	O
SSH	B-Protocol
.	O
</s>
<s>
It	O
is	O
an	O
iterative	O
step	O
over	O
the	O
now	O
deprecated	O
DTM	O
module	O
of	O
the	O
DEAP	O
framework	O
for	O
developing	O
evolutionary	B-Algorithm
algorithm	I-Algorithm
.	O
</s>
<s>
While	O
DTM	O
used	O
MPI	B-Application
for	O
its	O
communications	O
,	O
SCOOP	O
uses	O
instead	O
ØMQ	B-Operating_System
.	O
</s>
<s>
The	O
main	O
difference	O
between	O
this	O
pattern	O
and	O
a	O
Master/slave	B-Operating_System
topology	O
reside	O
in	O
the	O
Future	B-Operating_System
origin	O
.	O
</s>
<s>
In	O
the	O
Broker	O
architecture	O
,	O
the	O
Futures	O
emanate	O
from	O
a	O
worker	O
,	O
which	O
is	O
located	O
on	O
the	O
periphery	O
of	O
the	O
topology	O
,	O
instead	O
of	O
the	O
master	O
in	O
the	O
Master/slave	B-Operating_System
architecture	I-Operating_System
.	O
</s>
<s>
Since	O
he	O
does	O
n't	O
need	O
to	O
serialize	O
nor	O
deserialize	O
any	O
Future	B-Operating_System
to	O
route	O
them	O
around	O
the	O
grid	O
,	O
his	O
workload	O
consists	O
of	O
networking	O
or	O
interprocess	O
I/O	O
and	O
almost	O
no	O
CPU	O
processing	O
time	O
.	O
</s>
