Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5ac5912c3: 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 #51ca5a4995c23Run #51ca5ac5912c3DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)898 917 19 2.1%
Incl. Wall Time (microsec) per call 112 115 2 2.1%
Excl. Wall Time (microsec)154 143 -11 -7.1%
Incl. CPU (microsecs)747 767 20 2.7%
Incl. CPU (microsecs) per call 93 96 3 2.7%
Excl. CPU (microsec)141 133 -8 -5.7%
Incl. MemUse (bytes)82,224 82,224 0 0.0%
Incl. MemUse (bytes) per call 10,278 10,278 0 0.0%
Excl. MemUse (bytes)-13,840 -13,840 0 0.0%
Incl. PeakMemUse (bytes)93,784 93,784 0 0.0%
Incl. PeakMemUse (bytes) per call 11,723 11,723 0 0.0%
Excl. PeakMemUse (bytes)2,184 2,184 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% 19 5.5% 20 1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-11 -57.9% -8 -40.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 19 100.0% 20 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 46 242.1% 40 200.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -16 -84.2% -11 -55.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -5.0% 0 N/A% 0 N/A%