Diff Report
Run #51e30f7568a45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e3103d95a81: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Lock\DatabaseLockBackend::acquire

Drupal\Core\Lock\DatabaseLockBackend::acquireRun #51e30f7568a45Run #51e3103d95a81DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,068 1,238 170 15.9%
Incl. Wall Time (microsec) per call 1,068 1,238 170 15.9%
Excl. Wall Time (microsec)48 78 30 62.5%
Incl. CPU (microsecs)547 514 -33 -6.0%
Incl. CPU (microsecs) per call 547 514 -33 -6.0%
Excl. CPU (microsec)36 50 14 38.9%
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)13,232 13,064 -168 -1.3%
Incl. PeakMemUse (bytes) per call 13,232 13,064 -168 -1.3%
Excl. PeakMemUse (bytes)1,608 1,584 -24 -1.5%

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% 170 2.6% -33 -7.0% 0 0.0% -168 -0.2%
Exclusive Metrics Diff for Current Function30 17.6% 14 42.4% 0 N/A% -24 -14.3%
Parent function
Drupal\Core\Cache\CacheCollector::updateCache0 N/A% 170 100.0% -33 -100.0% 0 N/A% -168 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 268 157.6% 66 200.0% 0 N/A% -144 -85.7%
Drupal\Core\Lock\LockBackendAbstract::getLockId0 N/A% -117 -68.8% -117 -354.5% 0 N/A% 0 0.0%
db_insert0 N/A% -6 -3.5% -4 -12.1% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Insert::fields0 N/A% -5 -2.9% -6 -18.2% 0 N/A% 0 0.0%
microtime0 N/A% 0 0.0% 16 48.5% 0 N/A% 0 0.0%
max0 N/A% 0 0.0% -2 -6.1% 0 N/A% 0 0.0%