Diff Report
Run #519eb193b2faa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eb1c65e7e6: 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 #519eb193b2faaRun #519eb1c65e7e6DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)865 677 -188 -21.7%
Incl. Wall Time (microsec) per call 124 97 -27 -21.7%
Excl. Wall Time (microsec)155 124 -31 -20.0%
Incl. CPU (microsecs)670 611 -59 -8.8%
Incl. CPU (microsecs) per call 96 87 -8 -8.8%
Excl. CPU (microsec)147 117 -30 -20.4%
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 Function-31 -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%