Diff Report
Run #51c24fd9b971a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c2508074568: 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 #51c24fd9b971aRun #51c2508074568DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)891 886 -5 -0.6%
Incl. Wall Time (microsec) per call 127 127 -1 -0.6%
Excl. Wall Time (microsec)151 143 -8 -5.3%
Incl. CPU (microsecs)730 744 14 1.9%
Incl. CPU (microsecs) per call 104 106 2 1.9%
Excl. CPU (microsec)139 137 -2 -1.4%
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)-11,920 -11,920 0 0.0%
Incl. PeakMemUse (bytes)64,336 64,336 0 0.0%
Incl. PeakMemUse (bytes) per call 9,191 9,191 0 0.0%
Excl. PeakMemUse (bytes)1,704 1,704 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% -5 -0.5% 14 0.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-8 -160.0% -2 -14.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -5 -100.0% 14 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 28 560.0% 22 157.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -25 -500.0% -6 -42.9% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%