Diff Report
Run #519b182c941bf: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519b18dba5252: 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 #519b18dba5252DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)935 899 -36 -3.9%
Incl. Wall Time (microsec) per call 134 128 -5 -3.9%
Excl. Wall Time (microsec)154 153 -1 -0.6%
Incl. CPU (microsecs)784 768 -16 -2.0%
Incl. CPU (microsecs) per call 112 110 -2 -2.0%
Excl. CPU (microsec)145 147 2 1.4%
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% -36 -9.4% -16 -2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -2.8% 2 12.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -36 -100.0% -16 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -32 -88.9% -31 -193.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -3 -8.3% 13 81.2% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%