<s>
SPARC	B-Device
T5	I-Device
is	O
the	O
fifth	O
generation	O
multicore	B-Architecture
microprocessor	I-Architecture
of	O
Oracle	B-Application
's	I-Application
SPARC	B-Architecture
T	I-Architecture
series	I-Architecture
family	O
.	O
</s>
<s>
It	O
was	O
first	O
presented	O
at	O
Hot	O
Chips	O
24	O
in	O
August	O
2012	O
,	O
and	O
was	O
officially	O
introduced	O
with	O
the	O
Oracle	B-Application
SPARC	B-Device
T5	I-Device
servers	O
in	O
March	O
2013	O
.	O
</s>
<s>
The	O
processor	O
uses	O
the	O
same	O
SPARC	B-Architecture
S3	O
core	O
design	O
as	O
its	O
predecessor	O
,	O
the	O
SPARC	B-Device
T4	I-Device
processor	O
,	O
but	O
is	O
implemented	O
in	O
a	O
28nm	O
process	O
and	O
runs	O
at	O
3.6GHz	O
.	O
</s>
<s>
The	O
S3	O
core	O
is	O
a	O
dual-issue	O
core	O
that	O
uses	O
dynamic	O
threading	O
and	O
out-of-order	B-General_Concept
execution	I-General_Concept
,	O
incorporates	O
one	O
floating	B-General_Concept
point	I-General_Concept
unit	I-General_Concept
,	O
one	O
dedicated	O
cryptographic	O
unit	O
per	O
core	O
.	O
</s>
<s>
The	O
64-bit	O
SPARC	B-Architecture
Version	O
9	O
based	O
processor	O
has	O
16	O
cores	O
supporting	O
up	O
to	O
128	O
threads	O
per	O
processor	O
,	O
and	O
scales	O
up	O
to	O
1,024	O
threads	O
in	O
an	O
8	O
socket	B-General_Concept
system	O
.	O
</s>
<s>
Other	O
changes	O
include	O
the	O
support	O
of	O
PCIe	O
version	O
3.0	O
and	O
a	O
new	O
cache	B-General_Concept
coherence	I-General_Concept
protocol	O
.	O
</s>
<s>
The	O
SPARC	B-Device
T5	I-Device
also	O
introduces	O
a	O
new	O
power	O
management	O
feature	O
that	O
consists	O
of	O
hardware	O
support	O
in	O
the	O
processor	O
,	O
and	O
the	O
software	O
that	O
allows	O
system	O
administrator	O
to	O
use	O
the	O
feature	O
.	O
</s>
<s>
The	O
SPARC	B-Device
T5	I-Device
processor	O
is	O
used	O
in	O
Oracle	B-Application
's	I-Application
entry	O
and	O
mid-size	O
SPARC	O
T5-2	O
,	O
T5-4	O
,	O
and	O
T5-8	O
servers	O
.	O
</s>
<s>
Multiprocessor	O
cache	B-General_Concept
coherence	I-General_Concept
is	O
maintained	O
using	O
a	O
directory-based	B-Architecture
protocol	I-Architecture
.	O
</s>
<s>
The	O
snooping	O
based	O
protocol	O
used	O
in	O
SPARC	B-Device
T4	I-Device
systems	O
was	O
replaced	O
in	O
order	O
to	O
reduce	O
memory	O
latency	O
and	O
reduce	O
coherency	O
bandwidth	O
consumption	O
.	O
</s>
