Diff Report
Run #519b182c941bf: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519b1908c212c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519b182c941bfRun #519b1908c212cDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)935 876 -59 -6.3%
Incl. Wall Time (microsec) per call 134 125 -8 -6.3%
Excl. Wall Time (microsec)154 135 -19 -12.3%
Incl. CPU (microsecs)784 746 -38 -4.8%
Incl. CPU (microsecs) per call 112 107 -5 -4.8%
Excl. CPU (microsec)145 125 -20 -13.8%
Incl. MemUse (bytes)75,888 75,888 0 0.0%
Incl. MemUse (bytes) per call 10,841 10,841 0 0.0%
Excl. MemUse (bytes)-11,896 -11,896 0 0.0%
Incl. PeakMemUse (bytes)65,080 65,080 0 0.0%
Incl. PeakMemUse (bytes) per call 9,297 9,297 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% -59 -0.1% -38 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-19 -32.2% -20 -52.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -59 -100.0% -38 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -38 -64.4% -19 -50.0% 0 N/A% 0 N/A%
unserialize@10 N/A% -2 -3.4% 1 2.6% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%