Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050b464828: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51904f8640386Run #519050b464828DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)679 711 32 4.7%
Incl. Wall Time (microsec) per call 97 102 5 4.7%
Excl. Wall Time (microsec)91 98 7 7.7%
Incl. CPU (microsecs)539 556 17 3.2%
Incl. CPU (microsecs) per call 77 79 2 3.2%
Excl. CPU (microsec)80 93 13 16.2%
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)71,784 71,784 0 0.0%
Incl. PeakMemUse (bytes) per call 10,255 10,255 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 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% 32 34.8% 17 3.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 21.9% 13 76.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 32 100.0% 17 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 22 68.8% 4 23.5% 0 N/A% 0 N/A%
unserialize@10 N/A% 3 9.4% 1 5.9% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -5.9% 0 N/A% 0 N/A%