Diff Report
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffc2aeacea: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #536ffbe232db1Run #536ffc2aeaceaDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)41,092 40,367 -725 -1.8%
Incl. Wall Time (microsec) per call 587 577 -10 -1.8%
Excl. Wall Time (microsec)1,363 1,350 -13 -1.0%
Incl. CPU (microsecs)40,025 39,352 -673 -1.7%
Incl. CPU (microsecs) per call 572 562 -10 -1.7%
Excl. CPU (microsec)1,206 1,215 9 0.7%
Incl. MemUse (bytes)4,356,864 4,356,864 0 0.0%
Incl. MemUse (bytes) per call 62,241 62,241 0 0.0%
Excl. MemUse (bytes)-827,664 -827,664 0 0.0%
Incl. PeakMemUse (bytes)5,158,864 5,158,864 0 0.0%
Incl. PeakMemUse (bytes) per call 73,698 73,698 0 0.0%
Excl. PeakMemUse (bytes)5,232 5,232 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% -725 -23.6% -673 -19.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-13 -1.8% 9 1.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -725 -100.0% -673 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -719 -99.2% -682 -101.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 14 1.9% 20 3.0% 0 N/A% 0 N/A%
explode0 N/A% -7 -1.0% -19 -2.8% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 0 0.0% -1 -0.1% 0 N/A% 0 N/A%