Diff Report
Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eade6f30be: 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 #519eade6f30beDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)637 745 108 17.0%
Incl. Wall Time (microsec) per call 91 106 15 17.0%
Excl. Wall Time (microsec)107 141 34 31.8%
Incl. CPU (microsecs)571 592 21 3.7%
Incl. CPU (microsecs) per call 82 85 3 3.7%
Excl. CPU (microsec)100 129 29 29.0%
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 71,048 -40 -0.1%
Incl. PeakMemUse (bytes) per call 10,155 10,150 -6 -0.1%
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% 108 4.0% 21 1.7% 0 0.0% -40 -0.0%
Exclusive Metrics Diff for Current Function34 31.5% 29 138.1% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 108 100.0% 21 100.0% 0 N/A% -40 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 103 95.4% 23 109.5% 0 N/A% 0 0.0%
unserialize@10 N/A% -29 -26.9% -28 -133.3% 0 N/A% -40 -100.0%
explode0 N/A% 0 0.0% -3 -14.3% 0 N/A% 0 0.0%