Diff Report
Run #51b033ccbc666: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b032b631491: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51b033ccbc666Run #51b032b631491DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)478 507 29 6.1%
Incl. Wall Time (microsec) per call 478 507 29 6.1%
Excl. Wall Time (microsec)21 22 1 4.8%
Incl. CPU (microsecs)276 289 13 4.7%
Incl. CPU (microsecs) per call 276 289 13 4.7%
Excl. CPU (microsec)17 16 -1 -5.9%
Incl. MemUse (bytes)44,672 44,672 0 0.0%
Incl. MemUse (bytes) per call 44,672 44,672 0 0.0%
Excl. MemUse (bytes)-6,392 -6,392 0 0.0%
Incl. PeakMemUse (bytes)35,832 35,832 0 0.0%
Incl. PeakMemUse (bytes) per call 35,832 35,832 0 0.0%
Excl. PeakMemUse (bytes)616 616 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% 29 0.2% 13 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 3.4% -1 -7.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 29 100.0% 13 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 21 72.4% 7 53.8% 0 N/A% 0 N/A%
unserialize@10 N/A% 6 20.7% 7 53.8% 0 N/A% 0 N/A%
explode0 N/A% 1 3.4% 0 0.0% 0 N/A% 0 N/A%