Diff Report
Run #51e3103d95a81: 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 #51e3103d95a81Run #51e30f7568a45DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,238 1,068 -170 -13.7%
Incl. Wall Time (microsec) per call 1,238 1,068 -170 -13.7%
Excl. Wall Time (microsec)78 48 -30 -38.5%
Incl. CPU (microsecs)514 547 33 6.4%
Incl. CPU (microsecs) per call 514 547 33 6.4%
Excl. CPU (microsec)50 36 -14 -28.0%
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)13,064 13,232 168 1.3%
Incl. PeakMemUse (bytes) per call 13,064 13,232 168 1.3%
Excl. PeakMemUse (bytes)1,584 1,608 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 Function-30 -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%