Diff Report
Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eada161e65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519ead03a5283Run #519eada161e65DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)637 766 129 20.3%
Incl. Wall Time (microsec) per call 91 109 18 20.3%
Excl. Wall Time (microsec)107 113 6 5.6%
Incl. CPU (microsecs)571 567 -4 -0.7%
Incl. CPU (microsecs) per call 82 81 -1 -0.7%
Excl. CPU (microsec)100 111 11 11.0%
Incl. MemUse (bytes)75,840 75,840 0 0.0%
Incl. MemUse (bytes) per call 10,834 10,834 0 0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)71,088 71,088 0 0.0%
Incl. PeakMemUse (bytes) per call 10,155 10,155 0 0.0%
Excl. PeakMemUse (bytes)2,136 2,136 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% 129 110.3% -4 -0.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 4.7% 11 275.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 129 100.0% -4 -100.0% 0 N/A% 0 N/A%
Child functions
explode0 N/A% 0 0.0% 1 25.0% 0 N/A% 0 N/A%
unserialize@10 N/A% -15 -11.6% -19 -475.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 138 107.0% 3 75.0% 0 N/A% 0 N/A%