Diff Report
Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519edeb20e5f1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ede3a9dd65Run #519edeb20e5f1DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)27,123 26,376 -747 -2.8%
Incl. Wall Time (microsec) per call 217 211 -6 -2.8%
Excl. Wall Time (microsec)1,711 1,747 36 2.1%
Incl. CPU (microsecs)20,844 20,558 -286 -1.4%
Incl. CPU (microsecs) per call 167 164 -2 -1.4%
Excl. CPU (microsec)1,551 1,603 52 3.4%
Incl. MemUse (bytes)1,584,328 1,584,328 0 0.0%
Incl. MemUse (bytes) per call 12,675 12,675 0 0.0%
Excl. MemUse (bytes)-372,568 -372,568 0 0.0%
Incl. PeakMemUse (bytes)2,026,632 2,026,632 0 0.0%
Incl. PeakMemUse (bytes) per call 16,213 16,213 0 0.0%
Excl. PeakMemUse (bytes)5,496 5,496 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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\Cache\DatabaseBackend::prepareItem0 N/A% -747 -264.9% -286 -16.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function36 4.8% 52 18.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -747 -100.0% -286 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -1,375 -184.1% -399 -139.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 573 76.7% 50 17.5% 0 N/A% 0 N/A%
explode0 N/A% 19 2.5% 11 3.8% 0 N/A% 0 N/A%