Diff Report
Run #5240420daae43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52404261932b3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5240420daae43Run #52404261932b3DiffDiff%
Number of Function Calls108 108 0 0.0%
Incl. Wall Time (microsec)17,560 17,749 189 1.1%
Incl. Wall Time (microsec) per call 163 164 2 1.1%
Excl. Wall Time (microsec)2,075 2,086 11 0.5%
Incl. CPU (microsecs)15,285 15,402 117 0.8%
Incl. CPU (microsecs) per call 142 143 1 0.8%
Excl. CPU (microsec)1,910 1,930 20 1.0%
Incl. MemUse (bytes)1,915,424 1,915,424 0 0.0%
Incl. MemUse (bytes) per call 17,735 17,735 0 0.0%
Excl. MemUse (bytes)-295,272 -295,272 0 0.0%
Incl. PeakMemUse (bytes)2,300,760 2,300,760 0 0.0%
Incl. PeakMemUse (bytes) per call 21,303 21,303 0 0.0%
Excl. PeakMemUse (bytes)7,328 7,328 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% 189 16.3% 117 5.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function11 5.8% 20 17.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 189 100.0% 117 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 195 103.2% 117 100.0% 0 N/A% 0 N/A%
unserialize0 N/A% -26 -13.8% -37 -31.6% 0 N/A% 0 N/A%
explode0 N/A% 9 4.8% 17 14.5% 0 N/A% 0 N/A%