Diff Report
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89eaf4e36e: 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 #51b89dd280f98Run #51b89eaf4e36eDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,168 945 -223 -19.1%
Incl. Wall Time (microsec) per call 167 135 -32 -19.1%
Excl. Wall Time (microsec)166 163 -3 -1.8%
Incl. CPU (microsecs)857 739 -118 -13.8%
Incl. CPU (microsecs) per call 122 106 -17 -13.8%
Excl. CPU (microsec)151 147 -4 -2.6%
Incl. MemUse (bytes)75,656 75,656 0 0.0%
Incl. MemUse (bytes) per call 10,808 10,808 0 0.0%
Excl. MemUse (bytes)-11,720 -11,720 0 0.0%
Incl. PeakMemUse (bytes)71,880 71,880 0 0.0%
Incl. PeakMemUse (bytes) per call 10,269 10,269 0 0.0%
Excl. PeakMemUse (bytes)1,872 1,872 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% -223 -31.8% -118 -5.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -1.3% -4 -3.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -223 -100.0% -118 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -220 -98.7% -113 -95.8% 0 N/A% 0 N/A%
explode0 N/A% -4 -1.8% -4 -3.4% 0 N/A% 0 N/A%
unserialize@10 N/A% 4 1.8% 3 2.5% 0 N/A% 0 N/A%