Diff Report
Run #51ba93c3db76f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ba93c3db76fRun #51ba929760d1bDiffDiff%
Number of Function Calls43 43 0 0.0%
Incl. Wall Time (microsec)9,683 9,877 194 2.0%
Incl. Wall Time (microsec) per call 225 230 5 2.0%
Excl. Wall Time (microsec)768 744 -24 -3.1%
Incl. CPU (microsecs)8,302 8,354 52 0.6%
Incl. CPU (microsecs) per call 193 194 1 0.6%
Excl. CPU (microsec)673 656 -17 -2.5%
Incl. MemUse (bytes)1,733,344 1,733,344 0 0.0%
Incl. MemUse (bytes) per call 40,310 40,310 0 0.0%
Excl. MemUse (bytes)-332,680 -332,680 0 0.0%
Incl. PeakMemUse (bytes)1,768,000 1,768,000 0 0.0%
Incl. PeakMemUse (bytes) per call 41,116 41,116 0 0.0%
Excl. PeakMemUse (bytes)2,320 2,320 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% 194 27.3% 52 4.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-24 -12.4% -17 -32.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 194 100.0% 52 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 282 145.4% 132 253.8% 0 N/A% 0 N/A%
unserialize0 N/A% -60 -30.9% -59 -113.5% 0 N/A% 0 N/A%
explode0 N/A% -4 -2.1% -4 -7.7% 0 N/A% 0 N/A%