Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5b0eb2b08: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ca5a4995c23Run #51ca5b0eb2b08DiffDiff%
Number of Function Calls85 85 0 0.0%
Incl. Wall Time (microsec)28,399 27,912 -487 -1.7%
Incl. Wall Time (microsec) per call 334 328 -6 -1.7%
Excl. Wall Time (microsec)1,930 1,702 -228 -11.8%
Incl. CPU (microsecs)23,972 23,661 -311 -1.3%
Incl. CPU (microsecs) per call 282 278 -4 -1.3%
Excl. CPU (microsec)1,833 1,605 -228 -12.4%
Incl. MemUse (bytes)2,078,264 2,081,936 3,672 0.2%
Incl. MemUse (bytes) per call 24,450 24,493 43 0.2%
Excl. MemUse (bytes)-224,872 -225,488 -616 -0.3%
Incl. PeakMemUse (bytes)2,574,184 2,578,496 4,312 0.2%
Incl. PeakMemUse (bytes) per call 30,285 30,335 51 0.2%
Excl. PeakMemUse (bytes)7,664 7,704 40 0.5%

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% -487 -13.1% -311 -12.4% 3,672 1.7% 4,312 2.0%
Exclusive Metrics Diff for Current Function-228 -46.8% -228 -73.3% -616 -16.8% 40 0.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -487 -100.0% -311 -100.0% 3,672 100.0% 4,312 100.0%
Child functions
unserialize0 N/A% -456 -93.6% -219 -70.4% 4,288 116.8% 3,688 85.5%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 213 43.7% 155 49.8% 0 0.0% 584 13.5%
explode0 N/A% -16 -3.3% -19 -6.1% 0 0.0% 0 0.0%