Diff Report
Run #51e3103d95a81: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e30f7568a45: 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 #51e3103d95a81Run #51e30f7568a45DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)1,010 1,144 134 13.3%
Incl. Wall Time (microsec) per call 101 114 13 13.3%
Excl. Wall Time (microsec)120 137 17 14.2%
Incl. CPU (microsecs)808 869 61 7.5%
Incl. CPU (microsecs) per call 81 87 6 7.5%
Excl. CPU (microsec)105 131 26 24.8%
Incl. MemUse (bytes)86,352 86,352 0 0.0%
Incl. MemUse (bytes) per call 8,635 8,635 0 0.0%
Excl. MemUse (bytes)-14,832 -14,832 0 0.0%
Incl. PeakMemUse (bytes)105,160 105,160 0 0.0%
Incl. PeakMemUse (bytes) per call 10,516 10,516 0 0.0%
Excl. PeakMemUse (bytes)2,616 2,616 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% 134 2.1% 61 12.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function17 12.7% 26 42.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 134 100.0% 61 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 132 98.5% 49 80.3% 0 N/A% 0 N/A%
unserialize@10 N/A% -19 -14.2% -18 -29.5% 0 N/A% 0 N/A%
explode0 N/A% 4 3.0% 4 6.6% 0 N/A% 0 N/A%