Diff Report
Run #519afa8ec2e5c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519afb4e24ae7: 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 #519afa8ec2e5cRun #519afb4e24ae7DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,006 1,038 32 3.2%
Incl. Wall Time (microsec) per call 144 148 5 3.2%
Excl. Wall Time (microsec)168 159 -9 -5.4%
Incl. CPU (microsecs)774 872 98 12.7%
Incl. CPU (microsecs) per call 111 125 14 12.7%
Excl. CPU (microsec)151 152 1 0.7%
Incl. MemUse (bytes)75,880 75,880 0 0.0%
Incl. MemUse (bytes) per call 10,840 10,840 0 0.0%
Excl. MemUse (bytes)-11,896 -11,896 0 0.0%
Incl. PeakMemUse (bytes)73,424 73,424 0 0.0%
Incl. PeakMemUse (bytes) per call 10,489 10,489 0 0.0%
Excl. PeakMemUse (bytes)1,776 1,776 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% 32 3.4% 98 6.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-9 -28.1% 1 1.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 32 100.0% 98 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 21 65.6% 80 81.6% 0 N/A% 0 N/A%
unserialize@10 N/A% 20 62.5% 17 17.3% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%