Diff Report
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1770a3264: 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 #517c1836bbd84Run #517c1770a3264DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)467 435 -32 -6.9%
Incl. Wall Time (microsec) per call 67 62 -5 -6.9%
Excl. Wall Time (microsec)112 98 -14 -12.5%
Incl. CPU (microsecs)473 440 -33 -7.0%
Incl. CPU (microsecs) per call 68 63 -5 -7.0%
Excl. CPU (microsec)99 77 -22 -22.2%
Incl. MemUse (bytes)104,936 104,936 0 0.0%
Incl. MemUse (bytes) per call 14,991 14,991 0 0.0%
Excl. MemUse (bytes)-11,648 -11,648 0 0.0%
Incl. PeakMemUse (bytes)108,224 108,224 0 0.0%
Incl. PeakMemUse (bytes) per call 15,461 15,461 0 0.0%
Excl. PeakMemUse (bytes)1,992 1,992 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 -2.0% -33 -2.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-14 -43.8% -22 -66.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -32 -100.0% -33 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -18 -56.2% -15 -45.5% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
unserialize@10 N/A% 0 0.0% 4 12.1% 0 N/A% 0 N/A%