<s>
Anticiparallelism	B-General_Concept
(	O
Anticipatory	O
Parallelism	O
)	O
is	O
a	O
term	O
coined	O
by	O
Bob	O
Metcalfe	O
in	O
1998	O
.	O
</s>
<s>
It	O
is	O
a	O
technique	O
of	O
using	O
idle	B-Algorithm
machine	I-Algorithm
cycles	I-Algorithm
to	O
perform	O
useful	O
computing	O
tasks	O
in	O
the	O
background	O
.	O
</s>
<s>
Anticiparalleism	O
is	O
also	O
known	O
as	O
speculative	B-General_Concept
execution	I-General_Concept
,	O
continual	O
computation	O
or	O
optimistic	O
execution	O
.	O
</s>
