Diff Report
Run #519fb8e35d279: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fb917058ac: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fb8e35d279Run #519fb917058acDiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)18,944 18,685 -259 -1.4%
Incl. Wall Time (microsec) per call 246 243 -3 -1.4%
Excl. Wall Time (microsec)1,435 1,394 -41 -2.9%
Incl. CPU (microsecs)20,001 16,002 -3,999 -20.0%
Incl. CPU (microsecs) per call 260 208 -52 -20.0%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,654,792 1,654,792 0 0.0%
Incl. MemUse (bytes) per call 21,491 21,491 0 0.0%
Excl. MemUse (bytes)-216,000 -216,000 0 0.0%
Incl. PeakMemUse (bytes)2,134,128 2,134,128 0 0.0%
Incl. PeakMemUse (bytes) per call 27,716 27,716 0 0.0%
Excl. PeakMemUse (bytes)5,880 5,880 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% -259 -24.9% -3,999 -100.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-41 -15.8% 4,000 100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -259 -100.0% -3,999 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -214 -82.6% -8,000 -200.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -7 -2.7% 1 0.0% 0 N/A% 0 N/A%
explode0 N/A% 3 1.2% 0 0.0% 0 N/A% 0 N/A%