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26b5e3a18e
freebsd-nq/lib/libc/stdlib
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Jason Evans 26b5e3a18e Implement lazy deallocation of small objects. For each arena, maintain a 
vector of slots for lazily freed objects.  For each deallocation, before
doing the hard work of locking the arena and deallocating, try several times
to randomly insert the object into the vector using atomic operations.

This approach is particularly effective at reducing contention for
multi-threaded applications that use the producer-consumer model, wherein
one producer thread allocates objects, then multiple consumer threads
deallocate those objects.
2007-11-27 03:13:15 +00:00
..
_Exit.c
a64l.3 Revise markup in recently added manpages. 2006-09-30 10:34:13 +00:00
a64l.c Correct decoding a string containing '/'. 2006-05-19 19:06:38 +00:00
abort.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
abort.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
abs.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
abs.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
alloca.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atexit.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atexit.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atexit.h Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atof.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atof.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atoi.3 Remove out of date notes, the atoi code is thread-safe and async-cancel 2007-10-19 06:23:39 +00:00
atoi.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atol.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atol.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
atoll.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
bsearch.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
bsearch.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
div.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
div.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
exit.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
exit.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
getenv.3 Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
getenv.c The precision for a string argument in a call to warnx() needs to be cast 2007-09-22 02:30:44 +00:00
getopt_long.3 Sort sections. 2005-01-20 09:17:07 +00:00
getopt_long.c Keep compatible parts in sync with OpenBSD v1.21, add some comments. 2006-09-23 14:48:31 +00:00
getopt.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
getopt.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
getsubopt.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
getsubopt.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
grantpt.3
grantpt.c Remove extra slash from pty slave device name returned by ptsname. 2006-02-13 00:04:04 +00:00
hcreate.3 Sort sections. 2005-01-20 09:17:07 +00:00
hcreate.c
heapsort.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
imaxabs.3 mdoc(7) police: fixed typos and minor markup nits. 2001-11-21 16:19:50 +00:00
imaxabs.c
imaxdiv.3 mdoc(7) police: fixed typos and minor markup nits. 2001-11-21 16:19:50 +00:00
imaxdiv.c
insque.3
insque.c
l64a.c Add a64l(), l64a(), and l64a_r() XSI extentions. These functions convert 2005-12-24 22:37:59 +00:00
labs.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
labs.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
ldiv.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
ldiv.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
llabs.3
llabs.c
lldiv.3
lldiv.c
lsearch.3 Sort sections. 2005-01-20 09:17:07 +00:00
lsearch.c
Makefile.inc Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
malloc.3 Add information about the implications of using mmap(2) instead of sbrk(2). 2007-06-15 22:32:33 +00:00
malloc.c Implement lazy deallocation of small objects. For each arena, maintain a 2007-11-27 03:13:15 +00:00
memory.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
merge.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
posix_memalign.3 Add a HISTORY section. 2007-03-28 04:32:51 +00:00
qsort_r.c
qsort.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
qsort.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
radixsort.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
radixsort.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
rand.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
rand.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
random.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
random.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
reallocf.c
realpath.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
realpath.c
remque.c
strfmon.3
strfmon.c Include a couple of headers to ensure consistency between the prototype and 2005-09-12 19:52:42 +00:00
strtod.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtoimax.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtol.3 Swap "underflow"/"overflow" in the table header. 2007-04-10 11:17:00 +00:00
strtol.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtoll.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtonum.3 Revise markup in recently added manpages. 2006-09-30 10:34:13 +00:00
strtonum.c POSIXed strtoll() (and ours one too) can set errno to EINVAL, so check 2006-03-14 19:53:03 +00:00
strtoq.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtoul.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtoul.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtoull.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtoumax.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
strtouq.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
Symbol.map Backout 1.5 as requested by deischen 2007-05-22 05:28:40 +00:00
system.3 Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
system.c Per Regents of the University of Calfornia letter, remove advertising 2007-01-09 00:28:16 +00:00
tdelete.c
tfind.c
tsearch.3 twalk() expects an `action' function not a comparison function. 2006-06-23 13:36:33 +00:00
tsearch.c
twalk.c