Diff Report
Run #5251f691abb85: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5251f592ab279: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5251f691abb85Run #5251f592ab279DiffDiff%
Number of Function Calls127 127 0 0.0%
Incl. Wall Time (microsec)15,942 16,584 642 4.0%
Incl. Wall Time (microsec) per call 126 131 5 4.0%
Excl. Wall Time (microsec)1,912 1,975 63 3.3%
Incl. CPU (microsecs)13,781 14,009 228 1.7%
Incl. CPU (microsecs) per call 109 110 2 1.7%
Excl. CPU (microsec)1,708 1,799 91 5.3%
Incl. MemUse (bytes)1,974,008 1,974,008 0 0.0%
Incl. MemUse (bytes) per call 15,543 15,543 0 0.0%
Excl. MemUse (bytes)-470,784 -470,784 0 0.0%
Incl. PeakMemUse (bytes)2,518,048 2,518,048 0 0.0%
Incl. PeakMemUse (bytes) per call 19,827 19,827 0 0.0%
Excl. PeakMemUse (bytes)8,104 8,104 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% 642 33.5% 228 2.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function63 9.8% 91 39.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 642 100.0% 228 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 756 117.8% 344 150.9% 0 N/A% 0 N/A%
unserialize0 N/A% -186 -29.0% -211 -92.5% 0 N/A% 0 N/A%
explode0 N/A% 9 1.4% 4 1.8% 0 N/A% 0 N/A%