Diff Report
Run #51ad0610ca11a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad06a537e44: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ad0610ca11aRun #51ad06a537e44DiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)26,779 26,497 -282 -1.1%
Incl. Wall Time (microsec) per call 241 239 -3 -1.1%
Excl. Wall Time (microsec)1,907 1,893 -14 -0.7%
Incl. CPU (microsecs)22,104 21,883 -221 -1.0%
Incl. CPU (microsecs) per call 199 197 -2 -1.0%
Excl. CPU (microsec)1,731 1,738 7 0.4%
Incl. MemUse (bytes)2,164,704 2,164,704 0 0.0%
Incl. MemUse (bytes) per call 19,502 19,502 0 0.0%
Excl. MemUse (bytes)-302,936 -302,936 0 0.0%
Incl. PeakMemUse (bytes)2,288,576 2,288,576 0 0.0%
Incl. PeakMemUse (bytes) per call 20,618 20,618 0 0.0%
Excl. PeakMemUse (bytes)6,320 6,320 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% -282 -31.2% -221 -21.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-14 -5.0% 7 3.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -282 -100.0% -221 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -247 -87.6% -177 -80.1% 0 N/A% 0 N/A%
unserialize0 N/A% -24 -8.5% -54 -24.4% 0 N/A% 0 N/A%
explode0 N/A% 3 1.1% 3 1.4% 0 N/A% 0 N/A%