Diff Report
Run #52e49caf3c7f2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e49d4d3a1f8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e49caf3c7f2Run #52e49d4d3a1f8DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)8,673 8,833 160 1.8%
Incl. Wall Time (microsec) per call 124 126 2 1.8%
Excl. Wall Time (microsec)1,088 1,088 0 0.0%
Incl. CPU (microsecs)8,388 8,549 161 1.9%
Incl. CPU (microsecs) per call 120 122 2 1.9%
Excl. CPU (microsec)1,013 991 -22 -2.2%
Incl. MemUse (bytes)969,984 969,984 0 0.0%
Incl. MemUse (bytes) per call 13,857 13,857 0 0.0%
Excl. MemUse (bytes)-148,856 -148,856 0 0.0%
Incl. PeakMemUse (bytes)1,392,976 1,392,976 0 0.0%
Incl. PeakMemUse (bytes) per call 19,900 19,900 0 0.0%
Excl. PeakMemUse (bytes)5,832 5,832 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% 160 16.8% 161 17.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -22 -13.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 160 100.0% 161 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 98 61.3% 109 67.7% 0 N/A% 0 N/A%
unserialize0 N/A% 64 40.0% 72 44.7% 0 N/A% 0 N/A%
explode0 N/A% -2 -1.2% 2 1.2% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%