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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #530ad1a439784Run #530ad1ecad192DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)20,757 20,489 -268 -1.3%
Incl. Wall Time (microsec) per call 172 169 -2 -1.3%
Excl. Wall Time (microsec)1,864 1,833 -31 -1.7%
Incl. CPU (microsecs)20,184 19,928 -256 -1.3%
Incl. CPU (microsecs) per call 167 165 -2 -1.3%
Excl. CPU (microsec)1,682 1,677 -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 Function-31 -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%