Diff Report
Run #51a0f01f2a0ce: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a0ef63cb19e: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a0f01f2a0ceRun #51a0ef63cb19eDiffDiff%
Number of Function Calls90 90 0 0.0%
Incl. Wall Time (microsec)31,096 31,279 183 0.6%
Incl. Wall Time (microsec) per call 346 348 2 0.6%
Excl. Wall Time (microsec)2,244 2,210 -34 -1.5%
Incl. CPU (microsecs)36,002 32,002 -4,000 -11.1%
Incl. CPU (microsecs) per call 400 356 -44 -11.1%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)749,232 749,232 0 0.0%
Incl. MemUse (bytes) per call 8,325 8,325 0 0.0%
Excl. MemUse (bytes)-177,268 -177,268 0 0.0%
Incl. PeakMemUse (bytes)1,138,216 1,138,216 0 0.0%
Incl. PeakMemUse (bytes) per call 12,647 12,647 0 0.0%
Excl. PeakMemUse (bytes)2,560 2,560 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% 183 18.4% -4,000 -400000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-34 -18.6% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 183 100.0% -4,000 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 302 165.0% -8,000 -200.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -88 -48.1% 4,000 100.0% 0 N/A% 0 N/A%
explode0 N/A% 3 1.6% 0 0.0% 0 N/A% 0 N/A%