Diff Report
Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204421e7a2a2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #5204417bc7ab7Run #5204421e7a2a2DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,035 1,970 -65 -3.2%
Incl. Wall Time (microsec) per call 2,035 1,970 -65 -3.2%
Excl. Wall Time (microsec)58 57 -1 -1.7%
Incl. CPU (microsecs)531 530 -1 -0.2%
Incl. CPU (microsecs) per call 531 530 -1 -0.2%
Excl. CPU (microsec)49 49 0 0.0%
Incl. MemUse (bytes)67,064 67,064 0 0.0%
Incl. MemUse (bytes) per call 67,064 67,064 0 0.0%
Excl. MemUse (bytes)1,624 1,624 0 0.0%
Incl. PeakMemUse (bytes)50,160 50,160 0 0.0%
Incl. PeakMemUse (bytes) per call 50,160 50,160 0 0.0%
Excl. PeakMemUse (bytes)1,560 1,560 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Lock\DatabaseLockBackend::acquire [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% -65 -7.5% -1 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -1.5% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% -65 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -67 -103.1% -1 -100.0% 0 N/A% 0 N/A%
db_insert0 N/A% 3 4.6% 3 300.0% 0 N/A% 0 N/A%
microtime0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% -1 -100.0% 0 N/A% 0 N/A%