Diff Report
Run #519aa37b5bebd: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519aa3e018419: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519aa37b5bebdRun #519aa3e018419DiffDiff%
Number of Function Calls86 86 0 0.0%
Incl. Wall Time (microsec)38,400 37,699 -701 -1.8%
Incl. Wall Time (microsec) per call 447 438 -8 -1.8%
Excl. Wall Time (microsec)2,103 2,138 35 1.7%
Incl. CPU (microsecs)36,921 36,459 -462 -1.3%
Incl. CPU (microsecs) per call 429 424 -5 -1.3%
Excl. CPU (microsec)1,967 1,996 29 1.5%
Incl. MemUse (bytes)2,107,840 2,107,840 0 0.0%
Incl. MemUse (bytes) per call 24,510 24,510 0 0.0%
Excl. MemUse (bytes)-225,464 -225,464 0 0.0%
Incl. PeakMemUse (bytes)2,751,992 2,751,992 0 0.0%
Incl. PeakMemUse (bytes) per call 32,000 32,000 0 0.0%
Excl. PeakMemUse (bytes)5,992 5,992 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% -701 -39.1% -462 -32.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function35 5.0% 29 6.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -701 -100.0% -462 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -640 -91.3% -445 -96.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -100 -14.3% -49 -10.6% 0 N/A% 0 N/A%
explode0 N/A% 4 0.6% 3 0.6% 0 N/A% 0 N/A%