Diff Report
Run #51ad024086f90: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad028f5e6a3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ad024086f90Run #51ad028f5e6a3DiffDiff%
Number of Function Calls71 71 0 0.0%
Incl. Wall Time (microsec)22,437 23,123 686 3.1%
Incl. Wall Time (microsec) per call 316 326 10 3.1%
Excl. Wall Time (microsec)1,217 1,204 -13 -1.1%
Incl. CPU (microsecs)18,539 18,528 -11 -0.1%
Incl. CPU (microsecs) per call 261 261 -0 -0.1%
Excl. CPU (microsec)1,080 1,103 23 2.1%
Incl. MemUse (bytes)1,720,720 1,720,720 0 0.0%
Incl. MemUse (bytes) per call 24,235 24,235 0 0.0%
Excl. MemUse (bytes)-189,416 -189,416 0 0.0%
Incl. PeakMemUse (bytes)2,001,568 2,001,568 0 0.0%
Incl. PeakMemUse (bytes) per call 28,191 28,191 0 0.0%
Excl. PeakMemUse (bytes)4,040 4,040 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% 686 147.5% -11 -5.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-13 -1.9% 23 209.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 686 100.0% -11 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 539 78.6% 139 1263.6% 0 N/A% 0 N/A%
unserialize0 N/A% 151 22.0% -177 -1609.1% 0 N/A% 0 N/A%
explode0 N/A% 9 1.3% 4 36.4% 0 N/A% 0 N/A%