Diff Report
Run #5350e128cfd2b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5350e2663e694: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5350e128cfd2bRun #5350e2663e694DiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)23,734 24,110 376 1.6%
Incl. Wall Time (microsec) per call 230 234 4 1.6%
Excl. Wall Time (microsec)960 955 -5 -0.5%
Incl. CPU (microsecs)21,762 22,116 354 1.6%
Incl. CPU (microsecs) per call 211 215 3 1.6%
Excl. CPU (microsec)831 786 -45 -5.4%
Incl. MemUse (bytes)3,964,696 3,965,136 440 0.0%
Incl. MemUse (bytes) per call 38,492 38,496 4 0.0%
Excl. MemUse (bytes)-353,776 -353,896 -120 -0.0%
Incl. PeakMemUse (bytes)3,977,352 3,976,248 -1,104 -0.0%
Incl. PeakMemUse (bytes) per call 38,615 38,604 -11 -0.0%
Excl. PeakMemUse (bytes)4,616 4,240 -376 -8.1%

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% 376 23.5% 354 20.5% 440 1.9% -1,104 -4.9%
Exclusive Metrics Diff for Current Function-5 -1.3% -45 -12.7% -120 -27.3% -376 -34.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 376 100.0% 354 100.0% 440 100.0% -1,104 -100.0%
Child functions
unserialize0 N/A% 357 94.9% 385 108.8% 560 127.3% -808 -73.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 21 5.6% 5 1.4% 0 0.0% 80 7.2%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 3 0.8% 3 0.8% 0 0.0% 0 0.0%
explode0 N/A% 0 0.0% 6 1.7% 0 0.0% 0 0.0%