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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519edf3566aaeRun #519ede3a9dd65DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)24,672 27,123 2,451 9.9%
Incl. Wall Time (microsec) per call 197 217 20 9.9%
Excl. Wall Time (microsec)1,720 1,711 -9 -0.5%
Incl. CPU (microsecs)20,261 20,844 583 2.9%
Incl. CPU (microsecs) per call 162 167 5 2.9%
Excl. CPU (microsec)1,589 1,551 -38 -2.4%
Incl. MemUse (bytes)1,581,944 1,584,328 2,384 0.2%
Incl. MemUse (bytes) per call 12,656 12,675 19 0.2%
Excl. MemUse (bytes)-371,696 -372,568 -872 -0.2%
Incl. PeakMemUse (bytes)2,008,832 2,026,632 17,800 0.9%
Incl. PeakMemUse (bytes) per call 16,071 16,213 142 0.9%
Excl. PeakMemUse (bytes)5,424 5,496 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 Function-9 -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%