Diff Report
Run #519eb193b2faa: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eb20dce0a3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519eb193b2faaRun #519eb20dce0a3DiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)26,001 23,791 -2,210 -8.5%
Incl. Wall Time (microsec) per call 252 231 -21 -8.5%
Excl. Wall Time (microsec)1,802 1,678 -124 -6.9%
Incl. CPU (microsecs)19,950 19,247 -703 -3.5%
Incl. CPU (microsecs) per call 194 187 -7 -3.5%
Excl. CPU (microsec)1,664 1,528 -136 -8.2%
Incl. MemUse (bytes)1,968,600 1,965,848 -2,752 -0.1%
Incl. MemUse (bytes) per call 19,113 19,086 -27 -0.1%
Excl. MemUse (bytes)-306,048 -305,056 992 0.3%
Incl. PeakMemUse (bytes)1,990,968 1,997,408 6,440 0.3%
Incl. PeakMemUse (bytes) per call 19,330 19,392 63 0.3%
Excl. PeakMemUse (bytes)6,176 6,176 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% -2,210 -25.0% -703 -4.6% -2,752 -0.4% 6,440 0.9%
Exclusive Metrics Diff for Current Function-124 -5.6% -136 -19.3% 992 36.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -2,210 -100.0% -703 -100.0% -2,752 -100.0% 6,440 100.0%
Child functions
unserialize0 N/A% -1,590 -71.9% -239 -34.0% -3,744 -136.0% 6,112 94.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -501 -22.7% -342 -48.6% -24 -0.9% 328 5.1%
explode0 N/A% 5 0.2% 14 2.0% 24 0.9% 0 0.0%