Diff Report
Run #51a287779d22e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51a287b61fb31: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a287779d22eRun #51a287b61fb31DiffDiff%
Number of Function Calls92 92 0 0.0%
Incl. Wall Time (microsec)23,565 22,141 -1,424 -6.0%
Incl. Wall Time (microsec) per call 256 241 -15 -6.0%
Excl. Wall Time (microsec)1,624 1,685 61 3.8%
Incl. CPU (microsecs)18,029 17,821 -208 -1.2%
Incl. CPU (microsecs) per call 196 194 -2 -1.2%
Excl. CPU (microsec)1,529 1,578 49 3.2%
Incl. MemUse (bytes)1,789,496 1,789,496 0 0.0%
Incl. MemUse (bytes) per call 19,451 19,451 0 0.0%
Excl. MemUse (bytes)-284,936 -284,936 0 0.0%
Incl. PeakMemUse (bytes)1,838,128 1,838,128 0 0.0%
Incl. PeakMemUse (bytes) per call 19,980 19,980 0 0.0%
Excl. PeakMemUse (bytes)4,656 4,656 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% -1,424 -370.8% -208 -226.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function61 4.3% 49 23.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,424 -100.0% -208 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -1,526 -107.2% -355 -170.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 37 2.6% 88 42.3% 0 N/A% 0 N/A%
explode0 N/A% 4 0.3% 10 4.8% 0 N/A% 0 N/A%