Diff Report
Run #539fd2109980d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #539fd2109980dRun #539fd0a78f1b7DiffDiff%
Number of Function Calls104 104 0 0.0%
Incl. Wall Time (microsec)38,636 36,475 -2,161 -5.6%
Incl. Wall Time (microsec) per call 372 351 -21 -5.6%
Excl. Wall Time (microsec)2,405 2,112 -293 -12.2%
Incl. CPU (microsecs)37,832 35,689 -2,143 -5.7%
Incl. CPU (microsecs) per call 364 343 -21 -5.7%
Excl. CPU (microsec)2,135 1,878 -257 -12.0%
Incl. MemUse (bytes)5,400,336 5,400,336 0 0.0%
Incl. MemUse (bytes) per call 51,926 51,926 0 0.0%
Excl. MemUse (bytes)-577,144 -577,144 0 0.0%
Incl. PeakMemUse (bytes)5,663,320 5,663,320 0 0.0%
Incl. PeakMemUse (bytes) per call 54,455 54,455 0 0.0%
Excl. PeakMemUse (bytes)4,728 4,728 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% -2,161 -31.8% -2,143 -34.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-293 -13.6% -257 -12.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -2,161 -100.0% -2,143 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -1,803 -83.4% -1,853 -86.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -176 -8.1% -170 -7.9% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 151 7.0% 194 9.1% 0 N/A% 0 N/A%
explode0 N/A% -40 -1.9% -57 -2.7% 0 N/A% 0 N/A%