Diff Report
Run #519eb193b2faa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eb1c65e7e6: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519eb193b2faaRun #519eb1c65e7e6DiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)26,001 24,304 -1,697 -6.5%
Incl. Wall Time (microsec) per call 252 236 -16 -6.5%
Excl. Wall Time (microsec)1,802 1,679 -123 -6.8%
Incl. CPU (microsecs)19,950 19,429 -521 -2.6%
Incl. CPU (microsecs) per call 194 189 -5 -2.6%
Excl. CPU (microsec)1,664 1,539 -125 -7.5%
Incl. MemUse (bytes)1,968,600 1,968,600 0 0.0%
Incl. MemUse (bytes) per call 19,113 19,113 0 0.0%
Excl. MemUse (bytes)-306,048 -306,048 0 0.0%
Incl. PeakMemUse (bytes)1,990,968 1,990,968 0 0.0%
Incl. PeakMemUse (bytes) per call 19,330 19,330 0 0.0%
Excl. PeakMemUse (bytes)6,176 6,176 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% -1,697 -108.6% -521 -19.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-123 -7.2% -125 -24.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,697 -100.0% -521 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -823 -48.5% -10 -1.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -742 -43.7% -380 -72.9% 0 N/A% 0 N/A%
explode0 N/A% -9 -0.5% -6 -1.2% 0 N/A% 0 N/A%