Diff Report
Run #51b89eaf4e36e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89dd280f98: 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 #51b89eaf4e36eRun #51b89dd280f98DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)945 1,168 223 23.6%
Incl. Wall Time (microsec) per call 135 167 32 23.6%
Excl. Wall Time (microsec)163 166 3 1.8%
Incl. CPU (microsecs)739 857 118 16.0%
Incl. CPU (microsecs) per call 106 122 17 16.0%
Excl. CPU (microsec)147 151 4 2.7%
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 Function3 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%