Diff Report
Run #530ed1c5bdc6a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ed20e39905: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #530ed1c5bdc6aRun #530ed20e39905DiffDiff%
Number of Function Calls81 81 0 0.0%
Incl. Wall Time (microsec)11,862 11,733 -129 -1.1%
Incl. Wall Time (microsec) per call 146 145 -2 -1.1%
Excl. Wall Time (microsec)1,227 1,210 -17 -1.4%
Incl. CPU (microsecs)11,543 11,443 -100 -0.9%
Incl. CPU (microsecs) per call 143 141 -1 -0.9%
Excl. CPU (microsec)1,097 1,119 22 2.0%
Incl. MemUse (bytes)1,712,120 1,712,120 0 0.0%
Incl. MemUse (bytes) per call 21,137 21,137 0 0.0%
Excl. MemUse (bytes)-224,616 -224,616 0 0.0%
Incl. PeakMemUse (bytes)1,883,072 1,883,072 0 0.0%
Incl. PeakMemUse (bytes) per call 23,248 23,248 0 0.0%
Excl. PeakMemUse (bytes)5,672 5,672 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% -129 -22.4% -100 -13.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-17 -13.2% 22 22.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -129 -100.0% -100 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -103 -79.8% -121 -121.0% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% -15 -11.6% -17 -17.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 12 9.3% 21 21.0% 0 N/A% 0 N/A%
explode0 N/A% -6 -4.7% -5 -5.0% 0 N/A% 0 N/A%