Diff Report
Run #51e30feb01694: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e30f7568a45: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51e30feb01694Run #51e30f7568a45DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,388 1,068 -320 -23.1%
Incl. Wall Time (microsec) per call 1,388 1,068 -320 -23.1%
Excl. Wall Time (microsec)58 48 -10 -17.2%
Incl. CPU (microsecs)674 547 -127 -18.8%
Incl. CPU (microsecs) per call 674 547 -127 -18.8%
Excl. CPU (microsec)47 36 -11 -23.4%
Incl. MemUse (bytes)12,840 12,840 0 0.0%
Incl. MemUse (bytes) per call 12,840 12,840 0 0.0%
Excl. MemUse (bytes)1,576 1,576 0 0.0%
Incl. PeakMemUse (bytes)13,184 13,232 48 0.4%
Incl. PeakMemUse (bytes) per call 13,184 13,232 48 0.4%
Excl. PeakMemUse (bytes)1,608 1,608 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% -320 -6.7% -127 -43.3% 0 N/A% 48 N/A%
Exclusive Metrics Diff for Current Function-10 -3.1% -11 -8.7% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% -320 -100.0% -127 -100.0% 0 N/A% 48 100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -315 -98.4% -124 -97.6% 0 N/A% 48 100.0%
db_insert0 N/A% 4 1.2% 3 2.4% 0 N/A% 0 0.0%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% 2 0.6% 2 1.6% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Insert::fields0 N/A% -1 -0.3% 0 0.0% 0 N/A% 0 0.0%
microtime0 N/A% 0 0.0% 1 0.8% 0 N/A% 0 0.0%
max0 N/A% 0 0.0% 2 1.6% 0 N/A% 0 0.0%