Diff Report
Run #5196f0780fa8c: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5196f0780fa8cRun #5196ef15c751eDiffDiff%
Number of Function Calls119 119 0 0.0%
Incl. Wall Time (microsec)631,164 212,525 -418,639 -66.3%
Incl. Wall Time (microsec) per call 5,304 1,786 -3,518 -66.3%
Excl. Wall Time (microsec)31,449 10,754 -20,695 -65.8%
Incl. CPU (microsecs)44,004 48,002 3,998 9.1%
Incl. CPU (microsecs) per call 370 403 34 9.1%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)2,976,680 2,976,720 40 0.0%
Incl. MemUse (bytes) per call 25,014 25,014 0 0.0%
Excl. MemUse (bytes)-227,584 -227,592 -8 -0.0%
Incl. PeakMemUse (bytes)3,412,128 3,411,912 -216 -0.0%
Incl. PeakMemUse (bytes) per call 28,673 28,672 -2 -0.0%
Excl. PeakMemUse (bytes)10,400 10,400 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% -418,639 -6.5% 3,998 20.0% 40 0.0% -216 -0.0%
Exclusive Metrics Diff for Current Function-20,695 -4.9% 0 0.0% -8 -20.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -418,639 -100.0% 3,998 100.0% 40 100.0% -216 -100.0%
Child functions
unserialize0 N/A% -339,995 -81.2% 7,998 200.1% 48 120.0% -216 -100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -57,215 -13.7% -4,000 -100.1% 0 0.0% 0 0.0%
explode0 N/A% -734 -0.2% 0 0.0% 0 0.0% 0 0.0%