Diff Report
Run #519af4b90e33b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519af44245f83: 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 #519af4b90e33bRun #519af44245f83DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)952 880 -72 -7.6%
Incl. Wall Time (microsec) per call 136 126 -10 -7.6%
Excl. Wall Time (microsec)154 136 -18 -11.7%
Incl. CPU (microsecs)794 725 -69 -8.7%
Incl. CPU (microsecs) per call 113 104 -10 -8.7%
Excl. CPU (microsec)141 125 -16 -11.3%
Incl. MemUse (bytes)75,888 75,888 0 0.0%
Incl. MemUse (bytes) per call 10,841 10,841 0 0.0%
Excl. MemUse (bytes)-11,896 -11,896 0 0.0%
Incl. PeakMemUse (bytes)74,368 74,368 0 0.0%
Incl. PeakMemUse (bytes) per call 10,624 10,624 0 0.0%
Excl. PeakMemUse (bytes)1,848 1,848 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% -72 -3.2% -69 -3.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-18 -25.0% -16 -23.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -72 -100.0% -69 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -30 -41.7% -31 -44.9% 0 N/A% 0 N/A%
unserialize@10 N/A% -24 -33.3% -21 -30.4% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -1.4% 0 N/A% 0 N/A%