Diff Report
Run #52e6fc5cc809e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e6fca507bc1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e6fc5cc809eRun #52e6fca507bc1DiffDiff%
Number of Function Calls91 91 0 0.0%
Incl. Wall Time (microsec)15,351 15,519 168 1.1%
Incl. Wall Time (microsec) per call 169 171 2 1.1%
Excl. Wall Time (microsec)1,339 1,363 24 1.8%
Incl. CPU (microsecs)15,042 15,179 137 0.9%
Incl. CPU (microsecs) per call 165 167 2 0.9%
Excl. CPU (microsec)1,242 1,233 -9 -0.7%
Incl. MemUse (bytes)2,343,528 2,343,528 0 0.0%
Incl. MemUse (bytes) per call 25,753 25,753 0 0.0%
Excl. MemUse (bytes)-346,600 -346,600 0 0.0%
Incl. PeakMemUse (bytes)2,965,120 2,965,120 0 0.0%
Incl. PeakMemUse (bytes) per call 32,584 32,584 0 0.0%
Excl. PeakMemUse (bytes)5,768 5,768 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% 168 38.6% 137 182.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function24 14.3% -9 -6.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 168 100.0% 137 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 172 102.4% 174 127.0% 0 N/A% 0 N/A%
unserialize0 N/A% -35 -20.8% -33 -24.1% 0 N/A% 0 N/A%
explode0 N/A% 6 3.6% 6 4.4% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 1 0.6% -1 -0.7% 0 N/A% 0 N/A%