<s>
Intel	B-General_Concept
Advisor	I-General_Concept
(	O
also	O
known	O
as	O
"	O
Advisor	O
XE	O
"	O
,	O
"	O
Vectorization	B-General_Concept
Advisor	I-General_Concept
"	O
or	O
"	O
Threading	O
Advisor	O
"	O
)	O
is	O
a	O
design	O
assistance	O
and	O
analysis	O
tool	O
for	O
SIMD	B-Device
vectorization	B-General_Concept
,	O
threading	O
,	O
memory	O
use	O
,	O
and	O
GPU	O
offload	O
optimization	O
.	O
</s>
<s>
It	O
is	O
available	O
on	O
Windows	O
and	O
Linux	B-Application
operating	I-Application
systems	I-Application
in	O
form	O
of	O
Standalone	O
GUI	O
tool	O
,	O
Microsoft	B-Application
Visual	I-Application
Studio	I-Application
plug-in	O
or	O
command	O
line	O
interface	O
.	O
</s>
<s>
It	O
supports	O
OpenMP	B-Application
(	O
and	O
usage	O
with	O
MPI	B-Application
)	O
.	O
</s>
<s>
Intel	B-General_Concept
Advisor	I-General_Concept
user	O
interface	O
is	O
also	O
available	O
on	O
macOS	B-Application
.	O
</s>
<s>
Intel	B-General_Concept
Advisor	I-General_Concept
is	O
available	O
for	O
free	O
as	O
a	O
stand-alone	O
tool	O
or	O
as	O
part	O
of	O
the	O
Intel	O
oneAPI	B-Operating_System
Base	O
Toolkit	O
.	O
</s>
<s>
Optional	O
paid	O
commercial	O
support	O
is	O
available	O
for	O
the	O
oneAPI	B-Operating_System
Base	O
Toolkit	O
.	O
</s>
<s>
Vectorization	B-General_Concept
is	O
the	O
operation	O
of	O
Single	B-Device
Instruction	I-Device
Multiple	I-Device
Data	I-Device
(	O
SIMD	B-Device
)	O
instructions	O
(	O
like	O
Intel	O
Advanced	B-General_Concept
Vector	I-General_Concept
Extensions	I-General_Concept
and	O
Intel	O
Advanced	B-General_Concept
Vector	I-General_Concept
Extensions	I-General_Concept
512	I-General_Concept
)	O
on	O
multiple	O
objects	O
in	O
parallel	O
within	O
a	O
single	O
CPU	O
core	O
.	O
</s>
<s>
Intel	B-General_Concept
Advisor	I-General_Concept
helps	O
find	O
the	O
loops	O
that	O
will	O
benefit	O
from	O
better	O
vectorization	B-General_Concept
,	O
identify	O
where	O
it	O
is	O
safe	O
to	O
force	O
compiler	O
vectorization	B-General_Concept
.	O
</s>
<s>
It	O
supports	O
analysis	O
of	O
scalar	O
,	O
SSE	B-General_Concept
,	O
AVX	B-General_Concept
,	O
AVX2	O
and	O
AVX-512-enabled	O
codes	O
generated	O
by	O
Intel	O
,	O
GNU	B-Operating_System
and	O
Microsoft	O
compilers	O
auto-vectorization	B-General_Concept
.	O
</s>
<s>
It	O
also	O
supports	O
analysis	O
of	O
"	O
explicitly	O
"	O
vectorized	O
codes	O
which	O
use	O
OpenMP	B-Application
4.x	O
and	O
newer	O
as	O
well	O
as	O
codes	O
or	O
written	O
using	O
C	O
vector	O
intrinsics	B-Application
or	O
assembly	B-Language
language	I-Language
.	O
</s>
<s>
Intel	B-General_Concept
Advisor	I-General_Concept
automates	O
the	O
Roofline	O
Performance	O
Model	O
first	O
proposed	O
at	O
Berkeley	O
and	O
extended	O
at	O
the	O
University	O
of	O
Lisbon	O
.	O
</s>
<s>
Intel	B-General_Concept
Advisor	I-General_Concept
also	O
provides	O
an	O
automated	O
memory-level	O
roofline	O
implementation	O
that	O
is	O
closer	O
to	O
the	O
classical	O
Roofline	O
model	O
.	O
</s>
<s>
Intel	B-General_Concept
Advisor	I-General_Concept
roofline	O
analysis	O
supports	O
code	O
running	O
on	O
CPU	O
or	O
GPU	O
.	O
</s>
<s>
Advisor	O
Suitability	O
provides	O
dataset	O
size	O
(	O
iteration	O
space	O
)	O
modeling	O
capabilities	O
and	O
performance	O
penalties	O
break-down	O
(	O
exposing	O
negative	O
impact	O
caused	O
by	O
Load	B-Application
Imbalance	I-Application
,	O
Parallel	O
Runtimes	O
Overhead	O
and	O
Lock	O
Contention	O
)	O
.	O
</s>
<s>
Intel	B-General_Concept
Advisor	I-General_Concept
is	O
used	O
by	O
Schlumberger	O
,	O
Sandia	O
national	O
lab	O
,	O
and	O
others	O
for	O
design	O
and	O
parallel	O
algorithm	O
research	O
and	O
Vectorization	B-General_Concept
Advisor	I-General_Concept
capabilities	O
known	O
to	O
be	O
used	O
by	O
LRZ	B-General_Concept
and	O
ICHEC	B-Device
,	O
Daresbury	O
Lab	O
,	O
Pexip	O
.	O
</s>
