Brian Behlendorf 9eb361aaa5 Default to --disable-debug-kmem ...

The default kmem debugging (--enable-debug-kmem) can severely impact
performance on large-scale NUMA systems due to the atomic operations
used in the memory accounting. A 32-thread fio test running on a
40-core 80-thread system and performing 100% cached reads with kmem
debugging is:

Enabled:
READ: io=177071MB, aggrb=2951.2MB/s, minb=2951.2MB/s, maxb=2951.2MB/s,

Disabled:
READ: io=271454MB, aggrb=4524.4MB/s, minb=4524.4MB/s, maxb=4524.4MB/s,

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tim Chase <tim@chase2k.com>
Issues #463

2015-07-21 11:47:10 -07:00

..

.gitignore

Add config/compile to config/.gitignore

2014-10-31 16:26:44 -07:00

config.awk

Allow spl_config.h to be included by dependant packages (updated)

2010-03-22 14:45:33 -07:00

deb.am

Add --bump=0 to alien

2013-04-24 16:18:11 -07:00

rpm.am

Support parallel build trees (VPATH builds)

2015-07-17 12:53:11 -07:00

Rules.am

build: use CPPFLAGS

2013-04-02 11:07:11 -07:00

spl-build.m4

Default to --disable-debug-kmem

2015-07-21 11:47:10 -07:00

spl-meta.m4

Make license compatibility checks consistent

2014-10-17 15:07:28 -07:00

tgz.am

Refresh RPM packaging

2013-03-18 15:31:54 -07:00