Diff Report
Run #519a6c2cb620c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519a6c2cb620cRun #519a6b3fa9c9cDiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)15,313 15,717 404 2.6%
Incl. Wall Time (microsec) per call 236 242 6 2.6%
Excl. Wall Time (microsec)860 872 12 1.4%
Incl. CPU (microsecs)13,460 13,767 307 2.3%
Incl. CPU (microsecs) per call 207 212 5 2.3%
Excl. CPU (microsec)773 787 14 1.8%
Incl. MemUse (bytes)1,337,728 1,337,728 0 0.0%
Incl. MemUse (bytes) per call 20,580 20,580 0 0.0%
Excl. MemUse (bytes)-213,336 -213,336 0 0.0%
Incl. PeakMemUse (bytes)1,355,864 1,355,864 0 0.0%
Incl. PeakMemUse (bytes) per call 20,859 20,859 0 0.0%
Excl. PeakMemUse (bytes)3,984 3,984 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% 404 51.7% 307 40.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function12 3.0% 14 4.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 404 100.0% 307 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 322 79.7% 268 87.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 68 16.8% 21 6.8% 0 N/A% 0 N/A%
explode0 N/A% 2 0.5% 4 1.3% 0 N/A% 0 N/A%