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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52404261932b3Run #5240420daae43DiffDiff%
Number of Function Calls108 108 0 0.0%
Incl. Wall Time (microsec)17,749 17,560 -189 -1.1%
Incl. Wall Time (microsec) per call 164 163 -2 -1.1%
Excl. Wall Time (microsec)2,086 2,075 -11 -0.5%
Incl. CPU (microsecs)15,402 15,285 -117 -0.8%
Incl. CPU (microsecs) per call 143 142 -1 -0.8%
Excl. CPU (microsec)1,930 1,910 -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 Function-11 -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%