Diff Report
Run #51a18f1daaf9e: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a18dd97f04c: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a18f1daaf9eRun #51a18dd97f04cDiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)27,239 27,183 -56 -0.2%
Incl. Wall Time (microsec) per call 196 196 -0 -0.2%
Excl. Wall Time (microsec)2,973 3,024 51 1.7%
Incl. CPU (microsecs)20,002 28,002 8,000 40.0%
Incl. CPU (microsecs) per call 144 201 58 40.0%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)784,212 782,952 -1,260 -0.2%
Incl. MemUse (bytes) per call 5,642 5,633 -9 -0.2%
Excl. MemUse (bytes)-211,364 -210,740 624 0.3%
Incl. PeakMemUse (bytes)1,206,268 1,208,468 2,200 0.2%
Incl. PeakMemUse (bytes) per call 8,678 8,694 16 0.2%
Excl. PeakMemUse (bytes)2,072 1,920 -152 -7.3%

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% -56 -0.3% 8,000 50.0% -1,260 -3.7% 2,200 6.5%
Exclusive Metrics Diff for Current Function51 91.1% 4,000 50.0% 624 49.5% -152 -6.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -56 -100.0% 8,000 100.0% -1,260 -100.0% 2,200 100.0%
Child functions
unserialize0 N/A% -197 -351.8% 0 0.0% -1,880 -149.2% 932 42.4%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 91 162.5% 4,000 50.0% -4 -0.3% 1,440 65.5%
explode0 N/A% -1 -1.8% 0 0.0% 0 0.0% -20 -0.9%