<s>
A	O
slipstream	B-General_Concept
processor	O
is	O
an	O
architecture	O
designed	O
to	O
reduce	O
the	O
length	O
of	O
a	O
running	O
program	O
by	O
removing	O
the	O
non-essential	O
instructions	O
.	O
</s>
<s>
It	O
is	O
a	O
form	O
of	O
speculative	B-General_Concept
computing	I-General_Concept
.	O
</s>
<s>
Because	O
of	O
the	O
speculation	O
involved	O
slipstream	B-General_Concept
processors	O
are	O
generally	O
described	O
as	O
having	O
two	O
parallel	O
executing	O
streams	O
.	O
</s>
<s>
The	O
R-stream	O
runs	O
faster	O
than	O
if	O
it	O
were	O
a	O
single	O
stream	O
due	O
to	O
data	O
being	O
prefetched	O
by	O
the	O
A-stream	O
effectively	O
hiding	O
memory	O
latency	O
,	O
and	O
due	O
to	O
the	O
A-stream	O
'	O
s	O
assistance	O
with	O
branch	B-General_Concept
prediction	I-General_Concept
.	O
</s>
