Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbdbb58abc: 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 #51fdbdbb58abcDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)739 811 72 9.7%
Incl. Wall Time (microsec) per call 82 90 8 9.7%
Excl. Wall Time (microsec)110 110 0 0.0%
Incl. CPU (microsecs)589 645 56 9.5%
Incl. CPU (microsecs) per call 65 72 6 9.5%
Excl. CPU (microsec)94 105 11 11.7%
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% 72 7.6% 56 77.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 11 19.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 72 100.0% 56 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 45 62.5% 47 83.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 26 36.1% -1 -1.8% 0 N/A% 0 N/A%
explode0 N/A% 1 1.4% -1 -1.8% 0 N/A% 0 N/A%