Diff Report
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1e3aba264: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f1dee40c1aRun #523f1e3aba264DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)21,075 21,509 434 2.1%
Incl. Wall Time (microsec) per call 144 147 3 2.1%
Excl. Wall Time (microsec)2,285 2,356 71 3.1%
Incl. CPU (microsecs)18,293 18,534 241 1.3%
Incl. CPU (microsecs) per call 125 127 2 1.3%
Excl. CPU (microsec)2,093 2,095 2 0.1%
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% 434 43.8% 241 133.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function71 16.4% 2 0.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 434 100.0% 241 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 252 58.1% 99 41.1% 0 N/A% 0 N/A%
unserialize0 N/A% 105 24.2% 135 56.0% 0 N/A% 0 N/A%
explode0 N/A% 6 1.4% 5 2.1% 0 N/A% 0 N/A%