Diff Report
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffc2aeacea: 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 #536ffbe232db1Run #536ffc2aeaceaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)212 200 -12 -5.7%
Incl. Wall Time (microsec) per call 212 200 -12 -5.7%
Excl. Wall Time (microsec)19 23 4 21.1%
Incl. CPU (microsecs)213 200 -13 -6.1%
Incl. CPU (microsecs) per call 213 200 -13 -6.1%
Excl. CPU (microsec)17 19 2 11.8%
Incl. MemUse (bytes)63,216 63,216 0 0.0%
Incl. MemUse (bytes) per call 63,216 63,216 0 0.0%
Excl. MemUse (bytes)-15,184 -15,184 0 0.0%
Incl. PeakMemUse (bytes)81,208 81,208 0 0.0%
Incl. PeakMemUse (bytes) per call 81,208 81,208 0 0.0%
Excl. PeakMemUse (bytes)576 576 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% -12 -0.4% -13 -0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 33.3% 2 15.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -12 -100.0% -13 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -16 -133.3% -15 -115.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%