Diff Report
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52f5cb0964fa0Run #52f5cbc19a0d8DiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)11,474 11,497 23 0.2%
Incl. Wall Time (microsec) per call 116 116 0 0.2%
Excl. Wall Time (microsec)977 956 -21 -2.1%
Incl. CPU (microsecs)10,596 10,628 32 0.3%
Incl. CPU (microsecs) per call 107 107 0 0.3%
Excl. CPU (microsec)865 843 -22 -2.5%
Incl. MemUse (bytes)2,048,304 2,049,136 832 0.0%
Incl. MemUse (bytes) per call 20,690 20,698 8 0.0%
Excl. MemUse (bytes)-275,744 -275,904 -160 -0.1%
Incl. PeakMemUse (bytes)2,713,352 2,710,072 -3,280 -0.1%
Incl. PeakMemUse (bytes) per call 27,408 27,374 -33 -0.1%
Excl. PeakMemUse (bytes)10,480 10,592 112 1.1%

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% 23 24.7% 32 16.4% 832 2.8% -3,280 -11.0%
Exclusive Metrics Diff for Current Function-21 -91.3% -22 -68.8% -160 -19.2% 112 3.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 23 100.0% 32 100.0% 832 100.0% -3,280 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 58 252.2% 81 253.1% 0 0.0% -3,584 -109.3%
unserialize0 N/A% -20 -87.0% -28 -87.5% 992 119.2% 112 3.4%
explode0 N/A% 5 21.7% 1 3.1% 0 0.0% 80 2.4%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 1 4.3% 0 0.0% 0 0.0% 0 0.0%