Diff Report
Run #523f26a22745b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f27198f838: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f26a22745bRun #523f27198f838DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)22,598 22,256 -342 -1.5%
Incl. Wall Time (microsec) per call 155 152 -2 -1.5%
Excl. Wall Time (microsec)2,305 2,446 141 6.1%
Incl. CPU (microsecs)19,554 19,107 -447 -2.3%
Incl. CPU (microsecs) per call 134 131 -3 -2.3%
Excl. CPU (microsec)2,099 2,206 107 5.1%
Incl. MemUse (bytes)2,609,712 2,609,712 0 0.0%
Incl. MemUse (bytes) per call 17,875 17,875 0 0.0%
Excl. MemUse (bytes)-422,032 -422,032 0 0.0%
Incl. PeakMemUse (bytes)2,982,696 2,982,696 0 0.0%
Incl. PeakMemUse (bytes) per call 20,429 20,429 0 0.0%
Excl. PeakMemUse (bytes)8,624 8,624 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% -342 -30.0% -447 -538.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function141 41.2% 107 23.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -342 -100.0% -447 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -807 -236.0% -809 -181.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 314 91.8% 244 54.6% 0 N/A% 0 N/A%
explode0 N/A% 10 2.9% 11 2.5% 0 N/A% 0 N/A%