Diff Report
Run #523c5919acc8c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523c58bd29e4d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523c5919acc8cRun #523c58bd29e4dDiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)12,109 11,997 -112 -0.9%
Incl. Wall Time (microsec) per call 148 146 -1 -0.9%
Excl. Wall Time (microsec)1,509 1,437 -72 -4.8%
Incl. CPU (microsecs)10,069 9,931 -138 -1.4%
Incl. CPU (microsecs) per call 123 121 -2 -1.4%
Excl. CPU (microsec)1,395 1,337 -58 -4.2%
Incl. MemUse (bytes)1,115,688 1,115,688 0 0.0%
Incl. MemUse (bytes) per call 13,606 13,606 0 0.0%
Excl. MemUse (bytes)-196,008 -196,008 0 0.0%
Incl. PeakMemUse (bytes)1,519,584 1,519,584 0 0.0%
Incl. PeakMemUse (bytes) per call 18,532 18,532 0 0.0%
Excl. PeakMemUse (bytes)4,728 4,728 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% -112 -25.3% -138 -10.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-72 -64.3% -58 -42.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -112 -100.0% -138 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -30 -26.8% -67 -48.6% 0 N/A% 0 N/A%
explode0 N/A% -24 -21.4% -18 -13.0% 0 N/A% 0 N/A%
unserialize0 N/A% 14 12.5% 5 3.6% 0 N/A% 0 N/A%