Diff Report
Run #538ce46e85e63: XHProf Run (Namespace=drupal-perf-steinmb)
vs.
Run #538ce4363dd76: XHProf Run (Namespace=drupal-perf-steinmb)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #538ce46e85e63Run #538ce4363dd76DiffDiff%
Number of Function Calls50 50 0 0.0%
Incl. Wall Time (microsec)12,260 11,712 -548 -4.5%
Incl. Wall Time (microsec) per call 245 234 -11 -4.5%
Excl. Wall Time (microsec)4,120 4,075 -45 -1.1%
Incl. CPU (microsecs)10,111 9,763 -348 -3.4%
Incl. CPU (microsecs) per call 202 195 -7 -3.4%
Excl. CPU (microsec)4,103 4,059 -44 -1.1%
Incl. MemUse (bytes)1,692,712 1,692,712 0 0.0%
Incl. MemUse (bytes) per call 33,854 33,854 0 0.0%
Excl. MemUse (bytes)1,292,520 1,292,520 0 0.0%
Incl. PeakMemUse (bytes)1,900,432 1,900,432 0 0.0%
Incl. PeakMemUse (bytes) per call 38,009 38,009 0 0.0%
Excl. PeakMemUse (bytes)1,499,848 1,499,848 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% -548 -286.9% -348 -123.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-45 -8.2% -44 -12.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -548 -100.0% -348 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -524 -95.6% -324 -93.1% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% 132 24.1% 129 37.1% 0 N/A% 0 N/A%
Drupal\Core\Extension\Extension::unserialize0 N/A% -101 -18.4% -101 -29.0% 0 N/A% 0 N/A%
Drupal\field\Entity\FieldInstanceConfig::__wakeup0 N/A% -11 -2.0% -12 -3.4% 0 N/A% 0 N/A%
Symfony\Component\Routing\Route::unserialize0 N/A% 1 0.2% 4 1.1% 0 N/A% 0 N/A%
Drupal\Core\DependencyInjection\DependencySerialization::__wakeup0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%