Diff Report
Run #51ca5ac5912c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5a4995c23: 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 #51ca5ac5912c3Run #51ca5a4995c23DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)917 898 -19 -2.1%
Incl. Wall Time (microsec) per call 115 112 -2 -2.1%
Excl. Wall Time (microsec)143 154 11 7.7%
Incl. CPU (microsecs)767 747 -20 -2.6%
Incl. CPU (microsecs) per call 96 93 -3 -2.6%
Excl. CPU (microsec)133 141 8 6.0%
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 Function11 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%