Diff Report
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f1db1bc51: 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 #5198f0bb880efRun #5198f1db1bc51DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)746 740 -6 -0.8%
Incl. Wall Time (microsec) per call 93 93 -1 -0.8%
Excl. Wall Time (microsec)103 105 2 1.9%
Incl. CPU (microsecs)597 597 0 0.0%
Incl. CPU (microsecs) per call 75 75 0 0.0%
Excl. CPU (microsec)87 98 11 12.6%
Incl. MemUse (bytes)82,304 82,304 0 0.0%
Incl. MemUse (bytes) per call 10,288 10,288 0 0.0%
Excl. MemUse (bytes)-13,112 -13,112 0 0.0%
Incl. PeakMemUse (bytes)77,624 77,624 0 0.0%
Incl. PeakMemUse (bytes) per call 9,703 9,703 0 0.0%
Excl. PeakMemUse (bytes)1,680 1,680 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% -6 -0.4% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 33.3% 11 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -6 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -11 -183.3% -12 N/A% 0 N/A% 0 N/A%
unserialize@10 N/A% 3 50.0% 0 N/A% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 1 N/A% 0 N/A% 0 N/A%