Diff Report
Run #51ad06ef28a53: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad0610ca11a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ad06ef28a53Run #51ad0610ca11aDiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)26,872 26,779 -93 -0.3%
Incl. Wall Time (microsec) per call 242 241 -1 -0.3%
Excl. Wall Time (microsec)1,898 1,907 9 0.5%
Incl. CPU (microsecs)22,186 22,104 -82 -0.4%
Incl. CPU (microsecs) per call 200 199 -1 -0.4%
Excl. CPU (microsec)1,770 1,731 -39 -2.2%
Incl. MemUse (bytes)2,168,080 2,164,704 -3,376 -0.2%
Incl. MemUse (bytes) per call 19,532 19,502 -30 -0.2%
Excl. MemUse (bytes)-303,560 -302,936 624 0.2%
Incl. PeakMemUse (bytes)2,291,520 2,288,576 -2,944 -0.1%
Incl. PeakMemUse (bytes) per call 20,644 20,618 -27 -0.1%
Excl. PeakMemUse (bytes)6,168 6,320 152 2.5%

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% -93 -1.7% -82 -2.1% -3,376 -2.0% -2,944 -1.8%
Exclusive Metrics Diff for Current Function9 9.7% -39 -47.6% 624 18.5% 152 5.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -93 -100.0% -82 -100.0% -3,376 -100.0% -2,944 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -159 -171.0% -40 -48.8% 0 0.0% -160 -5.4%
unserialize0 N/A% 69 74.2% 1 1.2% -3,992 -118.2% -2,936 -99.7%
explode0 N/A% -12 -12.9% -4 -4.9% -8 -0.2% 0 0.0%