Diff Report
Run #519b182c941bf: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519b1908c212c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519b182c941bfRun #519b1908c212cDiffDiff%
Number of Function Calls90 90 0 0.0%
Incl. Wall Time (microsec)33,069 32,718 -351 -1.1%
Incl. Wall Time (microsec) per call 367 364 -4 -1.1%
Excl. Wall Time (microsec)2,096 1,980 -116 -5.5%
Incl. CPU (microsecs)28,353 28,330 -23 -0.1%
Incl. CPU (microsecs) per call 315 315 -0 -0.1%
Excl. CPU (microsec)1,969 1,840 -129 -6.6%
Incl. MemUse (bytes)2,310,368 2,310,288 -80 -0.0%
Incl. MemUse (bytes) per call 25,671 25,670 -1 -0.0%
Excl. MemUse (bytes)-285,600 -285,608 -8 -0.0%
Incl. PeakMemUse (bytes)2,553,000 2,552,880 -120 -0.0%
Incl. PeakMemUse (bytes) per call 28,367 28,365 -1 -0.0%
Excl. PeakMemUse (bytes)6,016 6,016 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% -351 -0.9% -23 -0.1% -80 -0.0% -120 -0.0%
Exclusive Metrics Diff for Current Function-116 -33.0% -129 -560.9% -8 -10.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -351 -100.0% -23 -100.0% -80 -100.0% -120 -100.0%
Child functions
unserialize0 N/A% -445 -126.8% -37 -160.9% -96 -120.0% -88 -73.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 223 63.5% 155 673.9% 24 30.0% -32 -26.7%
explode0 N/A% -13 -3.7% -12 -52.2% 0 0.0% 0 0.0%