Diff Report
Run #51e2215579f70: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e22193d5fd6: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51e2215579f70Run #51e22193d5fd6DiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)13,333 13,288 -45 -0.3%
Incl. Wall Time (microsec) per call 135 134 -0 -0.3%
Excl. Wall Time (microsec)1,385 1,453 68 4.9%
Incl. CPU (microsecs)11,489 11,433 -56 -0.5%
Incl. CPU (microsecs) per call 116 115 -1 -0.5%
Excl. CPU (microsec)1,260 1,301 41 3.3%
Incl. MemUse (bytes)2,701,336 2,701,336 0 0.0%
Incl. MemUse (bytes) per call 27,286 27,286 0 0.0%
Excl. MemUse (bytes)-416,504 -416,504 0 0.0%
Incl. PeakMemUse (bytes)2,833,512 2,833,512 0 0.0%
Incl. PeakMemUse (bytes) per call 28,621 28,621 0 0.0%
Excl. PeakMemUse (bytes)7,472 7,472 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% -45 -100.0% -56 -93.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function68 151.1% 41 73.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -45 -100.0% -56 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -165 -366.7% -161 -287.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 33 73.3% 35 62.5% 0 N/A% 0 N/A%
explode0 N/A% 19 42.2% 29 51.8% 0 N/A% 0 N/A%