<s>
libumem	B-Device
is	O
a	O
memory	O
allocator	O
userspace	O
library	O
used	O
to	O
manage	O
memory	O
allocation	O
,	O
and	O
may	O
be	O
used	O
to	O
detect	O
memory	O
management	O
bugs	O
in	O
applications	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
the	O
Slab	B-General_Concept
allocator	I-General_Concept
concept	O
.	O
</s>
<s>
Libumem	B-Device
is	O
available	O
as	O
a	O
standard	O
part	O
of	O
Solaris	B-Application
from	O
Solaris	B-Application
9	I-Application
Update	O
3	O
onwards	O
.	O
</s>
<s>
Functions	O
in	O
this	O
library	O
provide	O
fast	O
,	O
scalable	O
object-caching	O
memory	O
allocation	O
with	O
multithreaded	B-Operating_System
application	O
support	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
standard	O
malloc(3C )	O
family	O
of	O
functions	O
and	O
the	O
more	O
flexible	O
umem_alloc(3MALLOC )	O
family	O
,	O
libumem	B-Device
provides	O
powerful	O
object-caching	O
services	O
as	O
described	O
in	O
umem_cache_create(3MALLOC )	O
.	O
</s>
<s>
Getting	O
started	O
with	O
libumem	B-Device
is	O
easy	O
;	O
just	O
set	O
LD_PRELOAD	O
to	O
"	O
libumem.so	O
 "	O
and	O
any	O
program	O
executed	O
will	O
use	O
libumem	B-Device
's	O
malloc(3C )	O
and	O
free(3C )	O
(	O
or	O
new	O
and	O
delete	O
)	O
.	O
</s>
<s>
This	O
slab	B-General_Concept
allocator	I-General_Concept
is	O
designed	O
for	O
systems	O
with	O
many	O
threads	B-Operating_System
and	O
many	O
CPUs	O
.	O
</s>
