Diff Report
Run #519eb1c65e7e6: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eb193b2faa: 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 #519eb1c65e7e6Run #519eb193b2faaDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)677 865 188 27.8%
Incl. Wall Time (microsec) per call 97 124 27 27.8%
Excl. Wall Time (microsec)124 155 31 25.0%
Incl. CPU (microsecs)611 670 59 9.7%
Incl. CPU (microsecs) per call 87 96 8 9.7%
Excl. CPU (microsec)117 147 30 25.6%
Incl. MemUse (bytes)75,840 75,840 0 0.0%
Incl. MemUse (bytes) per call 10,834 10,834 0 0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)71,088 71,088 0 0.0%
Incl. PeakMemUse (bytes) per call 10,155 10,155 0 0.0%
Excl. PeakMemUse (bytes)2,136 2,136 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% 188 12.0% 59 2.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function31 16.5% 30 50.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 188 100.0% 59 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 146 77.7% 16 27.1% 0 N/A% 0 N/A%
unserialize@10 N/A% 12 6.4% 14 23.7% 0 N/A% 0 N/A%
explode0 N/A% -1 -0.5% -1 -1.7% 0 N/A% 0 N/A%