Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a240c73a50: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #526a239923027Run #526a240c73a50DiffDiff%
Number of Function Calls63 63 0 0.0%
Incl. Wall Time (microsec)9,070 8,669 -401 -4.4%
Incl. Wall Time (microsec) per call 144 138 -6 -4.4%
Excl. Wall Time (microsec)999 959 -40 -4.0%
Incl. CPU (microsecs)7,809 7,572 -237 -3.0%
Incl. CPU (microsecs) per call 124 120 -4 -3.0%
Excl. CPU (microsec)901 865 -36 -4.0%
Incl. MemUse (bytes)865,280 866,952 1,672 0.2%
Incl. MemUse (bytes) per call 13,735 13,761 27 0.2%
Excl. MemUse (bytes)-149,560 -149,880 -320 -0.2%
Incl. PeakMemUse (bytes)1,248,536 1,242,016 -6,520 -0.5%
Incl. PeakMemUse (bytes) per call 19,818 19,715 -103 -0.5%
Excl. PeakMemUse (bytes)5,968 5,824 -144 -2.4%

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% -401 -1179.4% -237 -143.6% 1,672 0.8% -6,520 -3.2%
Exclusive Metrics Diff for Current Function-40 -10.0% -36 -15.2% -320 -19.1% -144 -2.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -401 -100.0% -237 -100.0% 1,672 100.0% -6,520 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -362 -90.3% -204 -86.1% 8 0.5% -16 -0.2%
explode0 N/A% 1 0.2% -2 -0.8% 0 0.0% 0 0.0%
unserialize0 N/A% 0 0.0% 5 2.1% 1,984 118.7% -6,360 -97.5%