Diff Report
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb9d4924f: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52f5cb0964fa0Run #52f5cb9d4924fDiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)11,474 11,410 -64 -0.6%
Incl. Wall Time (microsec) per call 116 115 -1 -0.6%
Excl. Wall Time (microsec)977 971 -6 -0.6%
Incl. CPU (microsecs)10,596 10,524 -72 -0.7%
Incl. CPU (microsecs) per call 107 106 -1 -0.7%
Excl. CPU (microsec)865 863 -2 -0.2%
Incl. MemUse (bytes)2,048,304 2,048,304 0 0.0%
Incl. MemUse (bytes) per call 20,690 20,690 0 0.0%
Excl. MemUse (bytes)-275,744 -275,744 0 0.0%
Incl. PeakMemUse (bytes)2,713,352 2,713,352 0 0.0%
Incl. PeakMemUse (bytes) per call 27,408 27,408 0 0.0%
Excl. PeakMemUse (bytes)10,480 10,480 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% -64 -12.1% -72 -16.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -9.4% -2 -2.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -64 -100.0% -72 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -96 -150.0% -103 -143.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 37 57.8% 39 54.2% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% 1 1.6% -1 -1.4% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -5 -6.9% 0 N/A% 0 N/A%