Diff Report
Run #519eade6f30be: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ead03a5283: 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 #519eade6f30beRun #519ead03a5283DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)745 637 -108 -14.5%
Incl. Wall Time (microsec) per call 106 91 -15 -14.5%
Excl. Wall Time (microsec)141 107 -34 -24.1%
Incl. CPU (microsecs)592 571 -21 -3.5%
Incl. CPU (microsecs) per call 85 82 -3 -3.5%
Excl. CPU (microsec)129 100 -29 -22.5%
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)71,048 71,088 40 0.1%
Incl. PeakMemUse (bytes) per call 10,150 10,155 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 Function-34 -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%