Diff Report
Run #519af44245f83: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519af4a154bbb: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519af44245f83Run #519af4a154bbbDiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)31,510 31,568 58 0.2%
Incl. Wall Time (microsec) per call 279 279 1 0.2%
Excl. Wall Time (microsec)2,360 2,367 7 0.3%
Incl. CPU (microsecs)27,094 27,133 39 0.1%
Incl. CPU (microsecs) per call 240 240 0 0.1%
Excl. CPU (microsec)2,217 2,185 -32 -1.4%
Incl. MemUse (bytes)2,039,744 2,039,744 0 0.0%
Incl. MemUse (bytes) per call 18,051 18,051 0 0.0%
Excl. MemUse (bytes)-263,496 -263,496 0 0.0%
Incl. PeakMemUse (bytes)2,372,512 2,372,512 0 0.0%
Incl. PeakMemUse (bytes) per call 20,996 20,996 0 0.0%
Excl. PeakMemUse (bytes)6,808 6,808 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% 58 11.4% 39 2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 12.1% -32 -82.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 58 100.0% 39 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 184 317.2% 94 241.0% 0 N/A% 0 N/A%
unserialize0 N/A% -143 -246.6% -29 -74.4% 0 N/A% 0 N/A%
explode0 N/A% 10 17.2% 6 15.4% 0 N/A% 0 N/A%