Diff Report
Run #530ed20e39905: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ed1c5bdc6a: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #530ed20e39905Run #530ed1c5bdc6aDiffDiff%
Number of Function Calls81 81 0 0.0%
Incl. Wall Time (microsec)11,733 11,862 129 1.1%
Incl. Wall Time (microsec) per call 145 146 2 1.1%
Excl. Wall Time (microsec)1,210 1,227 17 1.4%
Incl. CPU (microsecs)11,443 11,543 100 0.9%
Incl. CPU (microsecs) per call 141 143 1 0.9%
Excl. CPU (microsec)1,119 1,097 -22 -2.0%
Incl. MemUse (bytes)1,712,120 1,712,120 0 0.0%
Incl. MemUse (bytes) per call 21,137 21,137 0 0.0%
Excl. MemUse (bytes)-224,616 -224,616 0 0.0%
Incl. PeakMemUse (bytes)1,883,072 1,883,072 0 0.0%
Incl. PeakMemUse (bytes) per call 23,248 23,248 0 0.0%
Excl. PeakMemUse (bytes)5,672 5,672 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% 129 22.4% 100 13.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function17 13.2% -22 -22.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 129 100.0% 100 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 103 79.8% 121 121.0% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 15 11.6% 17 17.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -12 -9.3% -21 -21.0% 0 N/A% 0 N/A%
explode0 N/A% 6 4.7% 5 5.0% 0 N/A% 0 N/A%