Diff Report
Run #51e22193d5fd6: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e2215579f70: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51e22193d5fd6Run #51e2215579f70DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,375 1,333 -42 -3.1%
Incl. Wall Time (microsec) per call 1,375 1,333 -42 -3.1%
Excl. Wall Time (microsec)49 46 -3 -6.1%
Incl. CPU (microsecs)618 586 -32 -5.2%
Incl. CPU (microsecs) per call 618 586 -32 -5.2%
Excl. CPU (microsec)41 38 -3 -7.3%
Incl. MemUse (bytes)67,000 67,000 0 0.0%
Incl. MemUse (bytes) per call 67,000 67,000 0 0.0%
Excl. MemUse (bytes)1,624 1,624 0 0.0%
Incl. PeakMemUse (bytes)55,536 55,536 0 0.0%
Incl. PeakMemUse (bytes) per call 55,536 55,536 0 0.0%
Excl. PeakMemUse (bytes)1,824 1,824 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% -42 -93.3% -32 -53.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -7.1% -3 -9.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% -42 -100.0% -32 -100.0% 0 N/A% 0 N/A%
Child functions
db_insert0 N/A% -24 -57.1% -25 -78.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -15 -35.7% -6 -18.8% 0 N/A% 0 N/A%
microtime0 N/A% -1 -2.4% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% 1 2.4% 1 3.1% 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%
max0 N/A% 0 0.0% 1 3.1% 0 N/A% 0 N/A%