Diff Report
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51ec51f5849d9Run #51ec517fc2424DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,311 2,176 -135 -5.8%
Incl. Wall Time (microsec) per call 2,311 2,176 -135 -5.8%
Excl. Wall Time (microsec)47 45 -2 -4.3%
Incl. CPU (microsecs)454 458 4 0.9%
Incl. CPU (microsecs) per call 454 458 4 0.9%
Excl. CPU (microsec)37 38 1 2.7%
Incl. MemUse (bytes)67,720 67,720 0 0.0%
Incl. MemUse (bytes) per call 67,720 67,720 0 0.0%
Excl. MemUse (bytes)1,568 1,568 0 0.0%
Incl. PeakMemUse (bytes)47,616 47,616 0 0.0%
Incl. PeakMemUse (bytes) per call 47,616 47,616 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% -135 -4.6% 4 0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -1.5% 1 25.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% -135 -100.0% 4 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -133 -98.5% 6 150.0% 0 N/A% 0 N/A%
microtime0 N/A% -1 -0.7% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% 1 0.7% 0 0.0% 0 N/A% 0 N/A%
db_insert0 N/A% 0 0.0% -1 -25.0% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% -2 -50.0% 0 N/A% 0 N/A%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%