Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5ac5912c3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ca5a4995c23Run #51ca5ac5912c3DiffDiff%
Number of Function Calls85 85 0 0.0%
Incl. Wall Time (microsec)28,399 28,445 46 0.2%
Incl. Wall Time (microsec) per call 334 335 1 0.2%
Excl. Wall Time (microsec)1,930 1,875 -55 -2.8%
Incl. CPU (microsecs)23,972 23,970 -2 -0.0%
Incl. CPU (microsecs) per call 282 282 -0 -0.0%
Excl. CPU (microsec)1,833 1,774 -59 -3.2%
Incl. MemUse (bytes)2,078,264 2,078,264 0 0.0%
Incl. MemUse (bytes) per call 24,450 24,450 0 0.0%
Excl. MemUse (bytes)-224,872 -224,872 0 0.0%
Incl. PeakMemUse (bytes)2,574,184 2,574,184 0 0.0%
Incl. PeakMemUse (bytes) per call 30,285 30,285 0 0.0%
Excl. PeakMemUse (bytes)7,664 7,664 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% 46 13.2% -2 -0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-55 -119.6% -59 -2950.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 46 100.0% -2 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 456 991.3% 174 8700.0% 0 N/A% 0 N/A%
unserialize0 N/A% -357 -776.1% -118 -5900.0% 0 N/A% 0 N/A%
explode0 N/A% 2 4.3% 1 50.0% 0 N/A% 0 N/A%