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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #539fd0a78f1b7Run #539fd2109980dDiffDiff%
Number of Function Calls104 104 0 0.0%
Incl. Wall Time (microsec)36,475 38,636 2,161 5.9%
Incl. Wall Time (microsec) per call 351 372 21 5.9%
Excl. Wall Time (microsec)2,112 2,405 293 13.9%
Incl. CPU (microsecs)35,689 37,832 2,143 6.0%
Incl. CPU (microsecs) per call 343 364 21 6.0%
Excl. CPU (microsec)1,878 2,135 257 13.7%
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 Function293 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%