Diff Report
Run #5290760896b28: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52907577b0b08: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5290760896b28Run #52907577b0b08DiffDiff%
Number of Function Calls102 102 0 0.0%
Incl. Wall Time (microsec)13,942 15,124 1,182 8.5%
Incl. Wall Time (microsec) per call 137 148 12 8.5%
Excl. Wall Time (microsec)1,333 1,361 28 2.1%
Incl. CPU (microsecs)12,715 13,919 1,204 9.5%
Incl. CPU (microsecs) per call 125 136 12 9.5%
Excl. CPU (microsec)1,192 1,213 21 1.8%
Incl. MemUse (bytes)1,962,008 1,961,256 -752 -0.0%
Incl. MemUse (bytes) per call 19,235 19,228 -7 -0.0%
Excl. MemUse (bytes)-325,800 -325,648 152 0.0%
Incl. PeakMemUse (bytes)2,639,176 2,642,680 3,504 0.1%
Incl. PeakMemUse (bytes) per call 25,874 25,909 34 0.1%
Excl. PeakMemUse (bytes)7,120 7,168 48 0.7%

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% 1,182 52.6% 1,204 60.1% -752 -1.7% 3,504 7.8%
Exclusive Metrics Diff for Current Function28 2.4% 21 1.7% 152 20.2% 48 1.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,182 100.0% 1,204 100.0% -752 -100.0% 3,504 100.0%
Child functions
unserialize0 N/A% 1,015 85.9% 1,019 84.6% -880 -117.0% -1,096 -31.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 139 11.8% 170 14.1% 0 0.0% 4,408 125.8%
explode0 N/A% 0 0.0% -6 -0.5% -24 -3.2% 144 4.1%