Diff Report
Run #5230a9efcd55c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5230a98f3b26c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5230a9efcd55cRun #5230a98f3b26cDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)10,595 10,807 212 2.0%
Incl. Wall Time (microsec) per call 151 154 3 2.0%
Excl. Wall Time (microsec)1,386 1,371 -15 -1.1%
Incl. CPU (microsecs)9,303 9,365 62 0.7%
Incl. CPU (microsecs) per call 133 134 1 0.7%
Excl. CPU (microsec)1,295 1,295 0 0.0%
Incl. MemUse (bytes)1,163,192 1,163,192 0 0.0%
Incl. MemUse (bytes) per call 16,617 16,617 0 0.0%
Excl. MemUse (bytes)-173,840 -173,840 0 0.0%
Incl. PeakMemUse (bytes)1,604,952 1,604,952 0 0.0%
Incl. PeakMemUse (bytes) per call 22,928 22,928 0 0.0%
Excl. PeakMemUse (bytes)8,496 8,496 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% 212 16.2% 62 5.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-15 -7.1% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 212 100.0% 62 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 118 55.7% -36 -58.1% 0 N/A% 0 N/A%
unserialize0 N/A% 108 50.9% 95 153.2% 0 N/A% 0 N/A%
explode0 N/A% 1 0.5% 3 4.8% 0 N/A% 0 N/A%