Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519abf80bb905Run #519ac1a144fa6DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)1,120 1,142 22 2.0%
Incl. Wall Time (microsec) per call 140 143 3 2.0%
Excl. Wall Time (microsec)196 176 -20 -10.2%
Incl. CPU (microsecs)1,066 1,117 51 4.8%
Incl. CPU (microsecs) per call 133 140 6 4.8%
Excl. CPU (microsec)184 165 -19 -10.3%
Incl. MemUse (bytes)82,952 82,960 8 0.0%
Incl. MemUse (bytes) per call 10,369 10,370 1 0.0%
Excl. MemUse (bytes)-12,208 -12,208 0 0.0%
Incl. PeakMemUse (bytes)117,632 117,696 64 0.1%
Incl. PeakMemUse (bytes) per call 14,704 14,712 8 0.1%
Excl. PeakMemUse (bytes)576 576 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% 22 2.8% 51 3.3% 8 0.0% 64 0.0%
Exclusive Metrics Diff for Current Function-20 -90.9% -19 -37.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 22 100.0% 51 100.0% 8 100.0% 64 100.0%
Child functions
unserialize@10 N/A% 48 218.2% 50 98.0% 8 100.0% 64 100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -6 -27.3% 19 37.3% 0 0.0% 0 0.0%
explode0 N/A% 0 0.0% 1 2.0% 0 0.0% 0 0.0%