Diff Report
Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ede3a9dd65Run #519edf3566aaeDiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)27,123 24,672 -2,451 -9.0%
Incl. Wall Time (microsec) per call 217 197 -20 -9.0%
Excl. Wall Time (microsec)1,711 1,720 9 0.5%
Incl. CPU (microsecs)20,844 20,261 -583 -2.8%
Incl. CPU (microsecs) per call 167 162 -5 -2.8%
Excl. CPU (microsec)1,551 1,589 38 2.5%
Incl. MemUse (bytes)1,584,328 1,581,944 -2,384 -0.2%
Incl. MemUse (bytes) per call 12,675 12,656 -19 -0.2%
Excl. MemUse (bytes)-372,568 -371,696 872 0.2%
Incl. PeakMemUse (bytes)2,026,632 2,008,832 -17,800 -0.9%
Incl. PeakMemUse (bytes) per call 16,213 16,071 -142 -0.9%
Excl. PeakMemUse (bytes)5,496 5,424 -72 -1.3%

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% -2,451 -9.5% -583 -2.0% -2,384 -0.9% -17,800 -12.9%
Exclusive Metrics Diff for Current Function9 0.4% 38 6.5% 872 36.6% -72 -0.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -2,451 -100.0% -583 -100.0% -2,384 -100.0% -17,800 -100.0%
Child functions
unserialize0 N/A% -2,625 -107.1% -424 -72.7% -3,248 -136.2% -17,168 -96.4%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 173 7.1% -179 -30.7% 0 0.0% -560 -3.1%
explode0 N/A% -8 -0.3% -18 -3.1% -8 -0.3% 0 0.0%