Diff Report
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fbd1297c93: 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 #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)733 715 -18 -2.5%
Incl. Wall Time (microsec) per call 105 102 -3 -2.5%
Excl. Wall Time (microsec)98 88 -10 -10.2%
Incl. CPU (microsecs)612 576 -36 -5.9%
Incl. CPU (microsecs) per call 87 82 -5 -5.9%
Excl. CPU (microsec)89 89 0 0.0%
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)72,704 72,704 0 0.0%
Incl. PeakMemUse (bytes) per call 10,386 10,386 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% -18 -0.6% -36 -0.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-10 -55.6% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -18 -100.0% -36 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -28 -155.6% -29 -80.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 20 111.1% -7 -19.4% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%