Diff Report
Run #51b0309e0d24b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b031de38383: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51b0309e0d24bRun #51b031de38383DiffDiff%
Number of Function Calls85 85 0 0.0%
Incl. Wall Time (microsec)22,185 21,271 -914 -4.1%
Incl. Wall Time (microsec) per call 261 250 -11 -4.1%
Excl. Wall Time (microsec)1,599 1,485 -114 -7.1%
Incl. CPU (microsecs)17,249 16,771 -478 -2.8%
Incl. CPU (microsecs) per call 203 197 -6 -2.8%
Excl. CPU (microsec)1,464 1,383 -81 -5.5%
Incl. MemUse (bytes)1,751,888 1,753,032 1,144 0.1%
Incl. MemUse (bytes) per call 20,610 20,624 13 0.1%
Excl. MemUse (bytes)-227,424 -227,648 -224 -0.1%
Incl. PeakMemUse (bytes)1,688,136 1,690,104 1,968 0.1%
Incl. PeakMemUse (bytes) per call 19,860 19,884 23 0.1%
Excl. PeakMemUse (bytes)3,592 3,760 168 4.7%

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% -914 -2.7% -478 -1.3% 1,144 0.7% 1,968 0.2%
Exclusive Metrics Diff for Current Function-114 -12.5% -81 -16.9% -224 -19.6% 168 8.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -914 -100.0% -478 -100.0% 1,144 100.0% 1,968 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -583 -63.8% -309 -64.6% 16 1.4% 16 0.8%
unserialize0 N/A% -180 -19.7% -52 -10.9% 1,352 118.2% 1,784 90.7%
explode0 N/A% -37 -4.0% -36 -7.5% 0 0.0% 0 0.0%