<s>
Tensilica	O
was	O
a	O
company	O
based	O
in	O
Silicon	O
Valley	O
in	O
the	O
semiconductor	B-Architecture
intellectual	I-Architecture
property	I-Architecture
core	I-Architecture
business	O
.	O
</s>
<s>
Tensilica	O
is	O
known	O
for	O
its	O
customizable	O
Xtensa	O
microprocessor	B-Architecture
core	O
.	O
</s>
<s>
Other	O
products	O
include	O
:	O
HiFi	O
audio/voice	O
DSPs	O
(	O
digital	B-Architecture
signal	I-Architecture
processors	I-Architecture
)	O
with	O
a	O
software	O
library	O
of	O
over	O
225	O
codecs	B-General_Concept
from	O
Cadence	O
and	O
over	O
100	O
software	O
partners	O
;	O
Vision	O
DSPs	O
that	O
handle	O
complex	O
algorithms	O
in	O
imaging	O
,	O
video	O
,	O
computer	O
vision	O
,	O
and	O
neural	O
networks	O
;	O
and	O
the	O
ConnX	O
family	O
of	O
baseband	B-Algorithm
DSPs	O
ranging	O
from	O
the	O
dual-MAC	O
ConnX	O
D2	O
to	O
the	O
64-MAC	O
ConnX	O
BBE64EP	O
.	O
</s>
<s>
It	O
employed	O
Earl	O
Killian	O
,	O
who	O
contributed	O
to	O
the	O
MIPS	B-Device
architecture	I-Device
,	O
as	O
director	O
of	O
architecture	O
.	O
</s>
<s>
Cadence	O
Tensilica	O
develops	O
SIP	B-Architecture
blocks	I-Architecture
to	O
be	O
included	O
on	O
the	O
chip	O
(	O
IC	O
)	O
designs	O
of	O
products	O
of	O
their	O
licensees	O
,	O
such	O
as	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
for	O
embedded	B-Architecture
systems	I-Architecture
.	O
</s>
<s>
Xtensa	O
processors	O
range	O
from	O
small	O
,	O
low-power	O
cache-less	O
microcontroller	B-Architecture
to	O
high-performance	O
16-way	O
SIMD	B-Device
processors	O
,	O
3-issue	O
VLIW	B-General_Concept
DSP	B-General_Concept
cores	O
,	O
or	O
1	O
TMAC/sec	O
neural	O
network	O
processors	O
.	O
</s>
<s>
The	O
Xtensa	O
architecture	O
offers	O
a	O
user-customizable	O
instruction	B-General_Concept
set	I-General_Concept
through	O
automated	O
customization	O
tools	O
that	O
can	O
extend	O
the	O
Xtensa	O
base	O
instruction	B-General_Concept
set	I-General_Concept
,	O
including	O
SIMD	B-Device
instructions	O
,	O
new	O
register	O
files	O
.	O
</s>
<s>
The	O
Xtensa	O
instruction	B-General_Concept
set	I-General_Concept
is	O
a	O
32-bit	O
architecture	O
with	O
a	O
compact	O
16	O
-	O
and	O
24-bit	O
instruction	B-General_Concept
set	I-General_Concept
.	O
</s>
<s>
The	O
base	O
instruction	B-General_Concept
set	I-General_Concept
has	O
82	O
RISC	B-Architecture
instructions	O
and	O
includes	O
a	O
32-bit	O
ALU	B-General_Concept
,	O
16	O
general-purpose	O
32-bit	O
registers	B-General_Concept
,	O
and	O
one	O
special-purpose	O
register	O
.	O
</s>
<s>
HiFi	O
3z	O
Audio	O
DSP	B-General_Concept
—	O
For	O
lower-powered	O
audio	O
,	O
wideband	O
voice	O
codecs	B-General_Concept
,	O
and	O
neural-network-based	O
speech	O
recognition	O
.	O
</s>
<s>
HiFi	O
4	O
DSP	B-General_Concept
-	O
Higher	O
performance	O
DSP	B-General_Concept
for	O
applications	O
such	O
as	O
multi-channel	O
object-based	O
audio	O
standards	O
.	O
</s>
<s>
Vision	O
P5	O
DSP	B-General_Concept
.	O
</s>
<s>
Vision	O
P6	O
DSP	B-General_Concept
,	O
with	O
4X	O
the	O
peak	O
performance	O
of	O
the	O
Vision	O
P5	O
DSP	B-General_Concept
.	O
</s>
<s>
Vision	O
C5	O
DSP	B-General_Concept
,	O
for	O
neural	O
network	O
computational	O
tasks	O
.	O
</s>
<s>
in	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
,	O
in	O
"	O
Kaveri	O
"	O
desktop	O
APUs	O
and	O
in	O
a	O
very	O
few	O
of	O
AMD	O
's	O
graphics	O
cards	O
,	O
is	O
based	O
on	O
the	O
Cadence	O
Tensilica	O
HiFi	O
EP	O
Audio	O
DSP	B-General_Concept
.	O
</s>
<s>
Microsoft	B-General_Concept
HoloLens	I-General_Concept
uses	O
special	O
custom-designed	O
TSMC-fabricated	O
28nm	O
coprocessor	O
that	O
has	O
24	O
Tensilica	O
DSP	B-General_Concept
cores	O
.	O
</s>
<s>
Spreadtrum	O
licensed	O
the	O
HiFi	O
DSP	B-General_Concept
for	O
smartphones	O
.	O
</s>
<s>
VIA	O
Technologies	O
uses	O
a	O
HiFi	O
DSP	B-General_Concept
in	O
an	O
SoC	O
for	O
set	O
top	O
box	O
,	O
tablets	O
,	O
and	O
mobile	O
devices	O
.	O
</s>
<s>
Realtek	O
standardized	O
on	O
the	O
HiFi	O
audio	O
DSP	B-General_Concept
for	O
mobile	O
and	O
PC	O
products	O
.	O
</s>
