Diff Report
Run #51ad0610ca11a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad06ef28a53: 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 #51ad0610ca11aRun #51ad06ef28a53DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)706 720 14 2.0%
Incl. Wall Time (microsec) per call 101 103 2 2.0%
Excl. Wall Time (microsec)112 109 -3 -2.7%
Incl. CPU (microsecs)572 588 16 2.8%
Incl. CPU (microsecs) per call 82 84 2 2.8%
Excl. CPU (microsec)108 107 -1 -0.9%
Incl. MemUse (bytes)75,712 75,712 0 0.0%
Incl. MemUse (bytes) per call 10,816 10,816 0 0.0%
Excl. MemUse (bytes)-11,888 -11,888 0 0.0%
Incl. PeakMemUse (bytes)73,528 73,528 0 0.0%
Incl. PeakMemUse (bytes) per call 10,504 10,504 0 0.0%
Excl. PeakMemUse (bytes)1,896 1,896 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% 14 0.3% 16 0.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-3 -21.4% -1 -6.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 14 100.0% 16 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 18 128.6% 18 112.5% 0 N/A% 0 N/A%
unserialize@10 N/A% -2 -14.3% 0 0.0% 0 N/A% 0 N/A%
explode0 N/A% 1 7.1% -1 -6.2% 0 N/A% 0 N/A%