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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519edeb20e5f1Run #519ede3a9dd65DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)26,376 27,123 747 2.8%
Incl. Wall Time (microsec) per call 211 217 6 2.8%
Excl. Wall Time (microsec)1,747 1,711 -36 -2.1%
Incl. CPU (microsecs)20,558 20,844 286 1.4%
Incl. CPU (microsecs) per call 164 167 2 1.4%
Excl. CPU (microsec)1,603 1,551 -52 -3.2%
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 Function-36 -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%