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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ad0610ca11aRun #51ad06ef28a53DiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)26,779 26,872 93 0.3%
Incl. Wall Time (microsec) per call 241 242 1 0.3%
Excl. Wall Time (microsec)1,907 1,898 -9 -0.5%
Incl. CPU (microsecs)22,104 22,186 82 0.4%
Incl. CPU (microsecs) per call 199 200 1 0.4%
Excl. CPU (microsec)1,731 1,770 39 2.3%
Incl. MemUse (bytes)2,164,704 2,168,080 3,376 0.2%
Incl. MemUse (bytes) per call 19,502 19,532 30 0.2%
Excl. MemUse (bytes)-302,936 -303,560 -624 -0.2%
Incl. PeakMemUse (bytes)2,288,576 2,291,520 2,944 0.1%
Incl. PeakMemUse (bytes) per call 20,618 20,644 27 0.1%
Excl. PeakMemUse (bytes)6,320 6,168 -152 -2.4%

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 Function-9 -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%