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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a18dd97f04cRun #51a18f1daaf9eDiffDiff%
Number of Function Calls139 139 0 0.0%
Incl. Wall Time (microsec)27,183 27,239 56 0.2%
Incl. Wall Time (microsec) per call 196 196 0 0.2%
Excl. Wall Time (microsec)3,024 2,973 -51 -1.7%
Incl. CPU (microsecs)28,002 20,002 -8,000 -28.6%
Incl. CPU (microsecs) per call 201 144 -58 -28.6%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)782,952 784,212 1,260 0.2%
Incl. MemUse (bytes) per call 5,633 5,642 9 0.2%
Excl. MemUse (bytes)-210,740 -211,364 -624 -0.3%
Incl. PeakMemUse (bytes)1,208,468 1,206,268 -2,200 -0.2%
Incl. PeakMemUse (bytes) per call 8,694 8,678 -16 -0.2%
Excl. PeakMemUse (bytes)1,920 2,072 152 7.9%

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 Function-51 -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
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%
unserialize0 N/A% 197 351.8% 0 0.0% 1,880 149.2% -932 -42.4%