Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519be9a13e594Run #519bea9000214DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,121 1,094 -27 -2.4%
Incl. Wall Time (microsec) per call 160 156 -4 -2.4%
Excl. Wall Time (microsec)155 155 0 0.0%
Incl. CPU (microsecs)937 925 -12 -1.3%
Incl. CPU (microsecs) per call 134 132 -2 -1.3%
Excl. CPU (microsec)147 141 -6 -4.1%
Incl. MemUse (bytes)38,612 38,612 0 0.0%
Incl. MemUse (bytes) per call 5,516 5,516 0 0.0%
Excl. MemUse (bytes)-11,528 -11,528 0 0.0%
Incl. PeakMemUse (bytes)62,648 62,648 0 0.0%
Incl. PeakMemUse (bytes) per call 8,950 8,950 0 0.0%
Excl. PeakMemUse (bytes)640 640 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% -27 -0.7% -12 -0.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% -6 -50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -27 -100.0% -12 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -18 -66.7% 0 0.0% 0 N/A% 0 N/A%
unserialize@10 N/A% -9 -33.3% -6 -50.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%