<s>
CLR	B-Application
Profiler	I-Application
is	O
a	O
free	B-License
and	I-License
open-source	I-License
memory	O
profiler	O
for	O
the	O
.NET	B-Application
Framework	I-Application
from	O
Microsoft	O
.	O
</s>
<s>
It	O
allows	O
the	O
user	O
to	O
investigate	O
the	O
contents	O
of	O
the	O
managed	O
heap	O
,	O
the	O
behavior	O
of	O
the	O
garbage	B-General_Concept
collector	I-General_Concept
,	O
and	O
the	O
allocation	O
patterns	O
(	O
including	O
call-graph	O
analysis	O
)	O
of	O
the	O
program	O
being	O
profiled	O
.	O
</s>
<s>
The	O
latest	O
version	O
,	O
4.5	O
,	O
released	O
in	O
November	O
2012	O
,	O
allows	O
for	O
profiling	O
of	O
.NET	B-Application
2.0	O
,	O
3.0	O
,	O
3.5	O
,	O
4.0	O
or	O
4.5	O
managed	O
code	O
as	O
well	O
as	O
Silverlight	B-Application
apps	O
.	O
</s>
<s>
The	O
source	O
code	O
was	O
originally	O
included	O
under	O
the	O
Microsoft	O
Limited	O
Reciprocal	O
License	O
(	O
MS-LRL	O
)	O
and	O
hosted	O
on	O
CodePlex	B-Protocol
.	O
</s>
<s>
It	O
is	O
now	O
available	O
on	O
GitHub	B-Application
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
CLR	B-Application
Profiler	I-Application
is	O
an	O
intrusive	O
tool	O
;	O
seeing	O
a	O
10	O
to	O
100x	O
slowdown	O
in	O
the	O
application	O
being	O
profiled	O
is	O
not	O
unusual	O
.	O
</s>
<s>
CLR	B-Application
Profiler	I-Application
for	O
.NET	B-Application
4.5	O
(	O
Supported	O
.NET	B-Application
Framework	I-Application
versions	O
:	O
4.5	O
,	O
4.0	O
,	O
3.5	O
,	O
3.0	O
,	O
2.0	O
.	O
)	O
</s>
