<s>
Jungle	B-General_Concept
computing	I-General_Concept
is	O
a	O
form	O
of	O
high	B-Architecture
performance	I-Architecture
computing	I-Architecture
that	O
distributes	B-Architecture
computational	O
work	O
across	O
cluster	O
,	O
grid	B-Architecture
and	O
cloud	B-Architecture
computing	I-Architecture
.	O
</s>
<s>
The	O
increasing	O
complexity	O
of	O
the	O
high	B-Architecture
performance	I-Architecture
computing	I-Architecture
environment	O
has	O
provided	O
a	O
range	O
of	O
choices	O
beside	O
traditional	O
supercomputers	B-Architecture
and	O
clusters	O
.	O
</s>
<s>
Scientists	O
can	O
now	O
use	O
grid	B-Architecture
and	O
cloud	B-Architecture
infrastructures	O
,	O
in	O
a	O
variety	O
of	O
combinations	O
along	O
with	O
traditional	O
supercomputers	B-Architecture
-	O
all	O
connected	O
via	O
fast	O
networks	O
.	O
</s>
<s>
And	O
the	O
emergence	O
of	O
many-core	B-General_Concept
technologies	O
such	O
as	O
GPUs	B-Architecture
,	O
as	O
well	O
as	O
supercomputers	B-Architecture
on	O
chip	O
within	O
these	O
environments	O
has	O
added	O
to	O
the	O
complexity	O
.	O
</s>
<s>
Thus	O
,	O
high-performance	B-Architecture
computing	I-Architecture
can	O
now	O
use	O
multiple	O
diverse	O
platforms	O
and	O
systems	O
simultaneously	O
,	O
giving	O
rise	O
to	O
the	O
term	O
"	O
computing	O
jungle	O
"	O
.	O
</s>
