Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbd76c2eed: 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 #51fdbca2b5409Run #51fdbd76c2eedDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)739 740 1 0.1%
Incl. Wall Time (microsec) per call 82 82 0 0.1%
Excl. Wall Time (microsec)110 114 4 3.6%
Incl. CPU (microsecs)589 583 -6 -1.0%
Incl. CPU (microsecs) per call 65 65 -1 -1.0%
Excl. CPU (microsec)94 98 4 4.3%
Incl. MemUse (bytes)81,856 81,856 0 0.0%
Incl. MemUse (bytes) per call 9,095 9,095 0 0.0%
Excl. MemUse (bytes)-13,904 -13,904 0 0.0%
Incl. PeakMemUse (bytes)96,096 96,096 0 0.0%
Incl. PeakMemUse (bytes) per call 10,677 10,677 0 0.0%
Excl. PeakMemUse (bytes)2,480 2,480 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% 1 0.2% -6 -0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 400.0% 4 66.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 1 100.0% -6 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% -4 -400.0% -4 -66.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 1 100.0% -4 -66.7% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -2 -33.3% 0 N/A% 0 N/A%