Diff Report
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed63de9a0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51aaed0fcbd4eRun #51aaed63de9a0DiffDiff%
Number of Function Calls59 59 0 0.0%
Incl. Wall Time (microsec)24,900 25,524 624 2.5%
Incl. Wall Time (microsec) per call 422 433 11 2.5%
Excl. Wall Time (microsec)958 977 19 2.0%
Incl. CPU (microsecs)20,365 20,576 211 1.0%
Incl. CPU (microsecs) per call 345 349 4 1.0%
Excl. CPU (microsec)840 861 21 2.5%
Incl. MemUse (bytes)2,051,152 2,051,152 0 0.0%
Incl. MemUse (bytes) per call 34,765 34,765 0 0.0%
Excl. MemUse (bytes)-150,464 -150,464 0 0.0%
Incl. PeakMemUse (bytes)2,254,360 2,254,360 0 0.0%
Incl. PeakMemUse (bytes) per call 38,209 38,209 0 0.0%
Excl. PeakMemUse (bytes)3,680 3,680 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% 624 106.5% 211 127.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function19 3.0% 21 10.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 624 100.0% 211 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 505 80.9% 176 83.4% 0 N/A% 0 N/A%
unserialize0 N/A% 98 15.7% 14 6.6% 0 N/A% 0 N/A%
explode0 N/A% 2 0.3% 0 0.0% 0 N/A% 0 N/A%