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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ad06a537e44Run #51ad0610ca11aDiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)26,497 26,779 282 1.1%
Incl. Wall Time (microsec) per call 239 241 3 1.1%
Excl. Wall Time (microsec)1,893 1,907 14 0.7%
Incl. CPU (microsecs)21,883 22,104 221 1.0%
Incl. CPU (microsecs) per call 197 199 2 1.0%
Excl. CPU (microsec)1,738 1,731 -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 Function14 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%