Diff Report
Run #51a287f454ce8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51a287779d22e: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a287f454ce8Run #51a287779d22eDiffDiff%
Number of Function Calls92 92 0 0.0%
Incl. Wall Time (microsec)23,957 23,565 -392 -1.6%
Incl. Wall Time (microsec) per call 260 256 -4 -1.6%
Excl. Wall Time (microsec)1,598 1,624 26 1.6%
Incl. CPU (microsecs)18,025 18,029 4 0.0%
Incl. CPU (microsecs) per call 196 196 0 0.0%
Excl. CPU (microsec)1,506 1,529 23 1.5%
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)1,838,216 1,838,128 -88 -0.0%
Incl. PeakMemUse (bytes) per call 19,981 19,980 -1 -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% -392 -60.9% 4 0.3% 0 0.0% -88 -1.7%
Exclusive Metrics Diff for Current Function26 6.6% 23 575.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -392 -100.0% 4 100.0% 0 N/A% -88 -100.0%
Child functions
unserialize0 N/A% -434 -110.7% -75 -1875.0% 0 N/A% -88 -100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 21 5.4% 74 1850.0% 0 N/A% 0 0.0%
explode0 N/A% -5 -1.3% -18 -450.0% 0 N/A% 0 0.0%