Diff Report
Run #530ef14e56c65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ef19752730: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #530ef14e56c65Run #530ef19752730DiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)19,674 19,280 -394 -2.0%
Incl. Wall Time (microsec) per call 150 147 -3 -2.0%
Excl. Wall Time (microsec)1,844 1,830 -14 -0.8%
Incl. CPU (microsecs)16,777 16,329 -448 -2.7%
Incl. CPU (microsecs) per call 128 125 -3 -2.7%
Excl. CPU (microsec)1,693 1,628 -65 -3.8%
Incl. MemUse (bytes)2,143,592 2,143,592 0 0.0%
Incl. MemUse (bytes) per call 16,363 16,363 0 0.0%
Excl. MemUse (bytes)-324,168 -324,168 0 0.0%
Incl. PeakMemUse (bytes)2,608,096 2,608,096 0 0.0%
Incl. PeakMemUse (bytes) per call 19,909 19,909 0 0.0%
Excl. PeakMemUse (bytes)7,184 7,184 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% -394 -4.0% -448 -5.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-14 -3.6% -65 -14.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -394 -100.0% -448 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -337 -85.5% -322 -71.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -47 -11.9% -72 -16.1% 0 N/A% 0 N/A%
explode0 N/A% 2 0.5% 9 2.0% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 2 0.5% 2 0.4% 0 N/A% 0 N/A%