Diff Report
Run #51a287779d22e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51a287f454ce8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a287779d22eRun #51a287f454ce8DiffDiff%
Number of Function Calls92 92 0 0.0%
Incl. Wall Time (microsec)23,565 23,957 392 1.7%
Incl. Wall Time (microsec) per call 256 260 4 1.7%
Excl. Wall Time (microsec)1,624 1,598 -26 -1.6%
Incl. CPU (microsecs)18,029 18,025 -4 -0.0%
Incl. CPU (microsecs) per call 196 196 -0 -0.0%
Excl. CPU (microsec)1,529 1,506 -23 -1.5%
Incl. MemUse (bytes)1,789,496 1,789,496 0 0.0%
Incl. MemUse (bytes) per call 19,451 19,451 0 0.0%
Excl. MemUse (bytes)-284,936 -284,936 0 0.0%
Incl. PeakMemUse (bytes)1,838,128 1,838,216 88 0.0%
Incl. PeakMemUse (bytes) per call 19,980 19,981 1 0.0%
Excl. PeakMemUse (bytes)4,656 4,656 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% 392 60.9% -4 -0.3% 0 0.0% 88 1.7%
Exclusive Metrics Diff for Current Function-26 -6.6% -23 -575.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 392 100.0% -4 -100.0% 0 N/A% 88 100.0%
Child functions
unserialize0 N/A% 434 110.7% 75 1875.0% 0 N/A% 88 100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -21 -5.4% -74 -1850.0% 0 N/A% 0 0.0%
explode0 N/A% 5 1.3% 18 450.0% 0 N/A% 0 0.0%