Diff Report
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89eaf4e36e: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51b89dd280f98Run #51b89eaf4e36eDiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)27,604 27,094 -510 -1.8%
Incl. Wall Time (microsec) per call 378 371 -7 -1.8%
Excl. Wall Time (microsec)1,754 1,699 -55 -3.1%
Incl. CPU (microsecs)20,750 20,217 -533 -2.6%
Incl. CPU (microsecs) per call 284 277 -7 -2.6%
Excl. CPU (microsec)1,634 1,614 -20 -1.2%
Incl. MemUse (bytes)1,382,912 1,382,912 0 0.0%
Incl. MemUse (bytes) per call 18,944 18,944 0 0.0%
Excl. MemUse (bytes)-192,848 -192,848 0 0.0%
Incl. PeakMemUse (bytes)1,318,424 1,318,424 0 0.0%
Incl. PeakMemUse (bytes) per call 18,061 18,061 0 0.0%
Excl. PeakMemUse (bytes)3,248 3,248 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% -510 -72.8% -533 -23.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-55 -10.8% -20 -3.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -510 -100.0% -533 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -248 -48.6% -266 -49.9% 0 N/A% 0 N/A%
unserialize0 N/A% -194 -38.0% -227 -42.6% 0 N/A% 0 N/A%
explode0 N/A% -13 -2.5% -20 -3.8% 0 N/A% 0 N/A%