<s>
The	O
Hogel	B-Algorithm
processing	I-Algorithm
unit	I-Algorithm
(	O
HPU	O
)	O
is	O
a	O
computation	O
for	O
rendering	O
hogels	B-Algorithm
.	O
</s>
<s>
Since	O
many	O
(	O
possibly	O
hundreds	O
)	O
HPUs	O
would	O
be	O
required	O
to	O
drive	O
a	O
single	O
light-field	B-Algorithm
display	I-Algorithm
,	O
it	O
is	O
important	O
that	O
the	O
HPU	O
be	O
an	O
independent	O
processor	O
,	O
requiring	O
minimal	O
support	O
logic	O
and	O
interconnect	O
.	O
</s>
<s>
The	O
HPU	O
interconnect	O
framework	O
should	O
provide	O
scene	O
,	O
command	O
and	O
sync	O
buffering	O
and	O
relay	O
throughout	O
the	O
topology	B-Architecture
.	O
</s>
<s>
Ideally	O
,	O
neither	O
the	O
host	O
system	O
nor	O
the	O
individual	O
HPUs	O
would	O
have	O
knowledge	O
of	O
the	O
interconnect	O
topology	B-Architecture
or	O
even	O
the	O
depth	O
and	O
breadth	O
of	O
the	O
system	O
.	O
</s>
<s>
A	O
critical	O
component	O
of	O
the	O
HPU	O
is	O
the	O
rendering	O
of	O
multiple	O
viewpoints	O
(	O
hogels	B-Algorithm
)	O
in	O
parallel	O
per	O
rendering	O
pass	O
of	O
the	O
geometry	O
to	O
take	O
advantage	O
of	O
vertex	O
and	O
texture	O
cache	O
coherency	O
.	O
</s>
