Diff Report
Run #5206d663ca0ba: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5206d6d973591: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #5206d663ca0baRun #5206d6d973591DiffDiff%
Number of Function Calls10 10 0 0.0%
Incl. Wall Time (microsec)1,562 1,291 -271 -17.3%
Incl. Wall Time (microsec) per call 156 129 -27 -17.3%
Excl. Wall Time (microsec)171 159 -12 -7.0%
Incl. CPU (microsecs)1,186 982 -204 -17.2%
Incl. CPU (microsecs) per call 119 98 -20 -17.2%
Excl. CPU (microsec)160 147 -13 -8.1%
Incl. MemUse (bytes)86,968 86,968 0 0.0%
Incl. MemUse (bytes) per call 8,697 8,697 0 0.0%
Excl. MemUse (bytes)-14,752 -14,752 0 0.0%
Incl. PeakMemUse (bytes)101,376 101,376 0 0.0%
Incl. PeakMemUse (bytes) per call 10,138 10,138 0 0.0%
Excl. PeakMemUse (bytes)1,640 1,640 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% -271 -95.1% -204 -118.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -4.4% -13 -6.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -271 -100.0% -204 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -251 -92.6% -186 -91.2% 0 N/A% 0 N/A%
unserialize@10 N/A% -6 -2.2% -2 -1.0% 0 N/A% 0 N/A%
explode0 N/A% -2 -0.7% -3 -1.5% 0 N/A% 0 N/A%