Diff Report
Run #52907577b0b08: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #529075c009a60: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52907577b0b08Run #529075c009a60DiffDiff%
Number of Function Calls102 102 0 0.0%
Incl. Wall Time (microsec)15,124 13,840 -1,284 -8.5%
Incl. Wall Time (microsec) per call 148 136 -13 -8.5%
Excl. Wall Time (microsec)1,361 1,305 -56 -4.1%
Incl. CPU (microsecs)13,919 12,659 -1,260 -9.1%
Incl. CPU (microsecs) per call 136 124 -12 -9.1%
Excl. CPU (microsec)1,213 1,164 -49 -4.0%
Incl. MemUse (bytes)1,961,256 1,961,256 0 0.0%
Incl. MemUse (bytes) per call 19,228 19,228 0 0.0%
Excl. MemUse (bytes)-325,648 -325,648 0 0.0%
Incl. PeakMemUse (bytes)2,642,680 2,642,680 0 0.0%
Incl. PeakMemUse (bytes) per call 25,909 25,909 0 0.0%
Excl. PeakMemUse (bytes)7,168 7,168 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% -1,284 -3890.9% -1,260 -3705.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-56 -4.4% -49 -3.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,284 -100.0% -1,260 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -1,075 -83.7% -1,070 -84.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -149 -11.6% -137 -10.9% 0 N/A% 0 N/A%
explode0 N/A% -4 -0.3% -4 -0.3% 0 N/A% 0 N/A%