Displaying 2 results from an estimated 2 matches for "1612903".
2014 Feb 27
14
[PATCH v5 0/8] qspinlock: a 4-byte queue spinlock with PV support
...minute)
data of the test run were:
kernel XFS FS %change ext4 FS %change
------ ------ ------- ------- -------
PV ticketlock (baseline) 2390438 - 1366743 -
qspinlock 1775148 -26% 1336303 -2.2%
PV qspinlock 2264151 -5.3% 1351351 -1.1%
unfair qspinlock 2404810 +0.6% 1612903 +18%
unfair + PV qspinlock 2419355 +1.2% 1612903 +18%
The XFS test had moderate spinlock contention of 1.6% whereas the ext4
test had heavy spinlock contention of 15.4% as reported by perf. It
seems like the PV qspinlock support still has room for improvement
compared with the current PV t...
2014 Feb 27
14
[PATCH v5 0/8] qspinlock: a 4-byte queue spinlock with PV support
...minute)
data of the test run were:
kernel XFS FS %change ext4 FS %change
------ ------ ------- ------- -------
PV ticketlock (baseline) 2390438 - 1366743 -
qspinlock 1775148 -26% 1336303 -2.2%
PV qspinlock 2264151 -5.3% 1351351 -1.1%
unfair qspinlock 2404810 +0.6% 1612903 +18%
unfair + PV qspinlock 2419355 +1.2% 1612903 +18%
The XFS test had moderate spinlock contention of 1.6% whereas the ext4
test had heavy spinlock contention of 15.4% as reported by perf. It
seems like the PV qspinlock support still has room for improvement
compared with the current PV t...