Diff Report
Run #519de8fbb9479: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de96d52213: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519de8fbb9479Run #519de96d52213DiffDiff%
Number of Function Calls12 12 0 0.0%
Incl. Wall Time (microsec)846 882 36 4.3%
Incl. Wall Time (microsec) per call 71 74 3 4.3%
Excl. Wall Time (microsec)162 159 -3 -1.9%
Incl. CPU (microsecs)765 734 -31 -4.1%
Incl. CPU (microsecs) per call 64 61 -3 -4.1%
Excl. CPU (microsec)148 144 -4 -2.7%
Incl. MemUse (bytes)97,440 97,440 0 0.0%
Incl. MemUse (bytes) per call 8,120 8,120 0 0.0%
Excl. MemUse (bytes)-15,792 -15,792 0 0.0%
Incl. PeakMemUse (bytes)83,160 83,160 0 0.0%
Incl. PeakMemUse (bytes) per call 6,930 6,930 0 0.0%
Excl. PeakMemUse (bytes)1,696 1,696 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% 36 2.2% -31 -1.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -8.3% -4 -12.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 36 100.0% -31 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 39 108.3% -30 -96.8% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 2 6.5% 0 N/A% 0 N/A%
unserialize@10 N/A% 0 0.0% 1 3.2% 0 N/A% 0 N/A%