Diff Report
Run #530ad1ecad192: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ad1a439784: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #530ad1ecad192Run #530ad1a439784DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)20,489 20,757 268 1.3%
Incl. Wall Time (microsec) per call 169 172 2 1.3%
Excl. Wall Time (microsec)1,833 1,864 31 1.7%
Incl. CPU (microsecs)19,928 20,184 256 1.3%
Incl. CPU (microsecs) per call 165 167 2 1.3%
Excl. CPU (microsec)1,677 1,682 5 0.3%
Incl. MemUse (bytes)3,036,928 3,036,928 0 0.0%
Incl. MemUse (bytes) per call 25,099 25,099 0 0.0%
Excl. MemUse (bytes)-422,920 -422,920 0 0.0%
Incl. PeakMemUse (bytes)3,341,472 3,341,472 0 0.0%
Incl. PeakMemUse (bytes) per call 27,615 27,615 0 0.0%
Excl. PeakMemUse (bytes)7,432 7,432 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% 268 15.9% 256 17.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function31 11.6% 5 2.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 268 100.0% 256 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 154 57.5% 160 62.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 99 36.9% 115 44.9% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% -14 -5.2% -13 -5.1% 0 N/A% 0 N/A%
explode0 N/A% -2 -0.7% -11 -4.3% 0 N/A% 0 N/A%