<s>
Sierra	B-Device
Forest	I-Device
is	O
a	O
codename	B-Architecture
for	O
Intel	O
's	O
first	O
generation	O
E-core	O
based	O
Xeon	B-Device
server	O
processors	O
.	O
</s>
<s>
It	O
is	O
fabricated	O
using	O
Intel	O
's	O
Intel	B-Algorithm
3	I-Algorithm
process	O
and	O
compatible	O
with	O
the	O
LGA	O
7529	O
socket	O
.	O
</s>
<s>
Sierra	B-Device
Forest	I-Device
will	O
be	O
used	O
as	O
part	O
of	O
the	O
Birch	O
Stream	O
server	O
platform	O
in	O
2024	O
.	O
</s>
<s>
Sierra	B-Device
Forest	I-Device
was	O
first	O
announced	O
during	O
Intel	O
's	O
Investor	O
Meeting	O
on	O
February	O
17	O
,	O
2022	O
.	O
</s>
<s>
The	O
roadmap	O
presented	O
showed	O
upcoming	O
Xeon	B-Device
processors	O
being	O
split	O
into	O
separate	O
tracks	O
for	O
those	O
with	O
only	O
P-cores	O
and	O
those	O
with	O
only	O
E-cores	O
.	O
</s>
<s>
On	O
March	O
29	O
,	O
2023	O
,	O
Intel	O
confirmed	O
that	O
Sierra	B-Device
Forest	I-Device
chips	O
were	O
powered	O
on	O
and	O
running	O
an	O
OS	O
.	O
</s>
<s>
Sierra	B-Device
Forest	I-Device
will	O
use	O
only	O
E-cores	O
to	O
achieve	O
higher	O
core	O
counts	O
in	O
order	O
to	O
compete	O
with	O
AMD	O
's	O
Epyc	O
server	O
processors	O
codenamed	O
Bergamo	O
which	O
features	O
up	O
to	O
128	O
smaller	O
Zen	O
4c	O
cores	O
.	O
</s>
<s>
AMD	O
's	O
Zen	O
4c	O
cores	O
feature	O
simultaneous	B-Operating_System
multithreading	I-Operating_System
(	O
SMT	O
)	O
while	O
the	O
Crestmont	O
E-cores	O
featured	O
in	O
Sierra	B-Device
Forest	I-Device
processors	O
only	O
contain	O
one	O
thread	O
for	O
each	O
core	O
.	O
</s>
<s>
The	O
purpose	O
of	O
the	O
Sierra	B-Device
Forest	I-Device
architecture	O
design	O
is	O
to	O
achieve	O
ultra-high	O
core	O
counts	O
for	O
greater	O
compute	O
density	O
that	O
would	O
benefit	O
cloud	O
and	O
HPC	O
server	O
applications	O
.	O
</s>
