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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51b89eaf4e36eRun #51b89dd280f98DiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)27,094 27,604 510 1.9%
Incl. Wall Time (microsec) per call 371 378 7 1.9%
Excl. Wall Time (microsec)1,699 1,754 55 3.2%
Incl. CPU (microsecs)20,217 20,750 533 2.6%
Incl. CPU (microsecs) per call 277 284 7 2.6%
Excl. CPU (microsec)1,614 1,634 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 Function55 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%