Diff Report
Run #519eade6f30be: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519eade6f30beRun #519ead03a5283DiffDiff%
Number of Function Calls101 101 0 0.0%
Incl. Wall Time (microsec)25,313 23,190 -2,123 -8.4%
Incl. Wall Time (microsec) per call 251 230 -21 -8.4%
Excl. Wall Time (microsec)1,840 1,702 -138 -7.5%
Incl. CPU (microsecs)19,559 19,169 -390 -2.0%
Incl. CPU (microsecs) per call 194 190 -4 -2.0%
Excl. CPU (microsec)1,701 1,574 -127 -7.5%
Incl. MemUse (bytes)1,937,472 1,940,280 2,808 0.1%
Incl. MemUse (bytes) per call 19,183 19,211 28 0.1%
Excl. MemUse (bytes)-298,984 -300,040 -1,056 -0.4%
Incl. PeakMemUse (bytes)1,974,064 1,978,704 4,640 0.2%
Incl. PeakMemUse (bytes) per call 19,545 19,591 46 0.2%
Excl. PeakMemUse (bytes)5,672 5,672 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% -2,123 -78.9% -390 -32.3% 2,808 0.9% 4,640 1.6%
Exclusive Metrics Diff for Current Function-138 -6.5% -127 -32.6% -1,056 -37.6% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -2,123 -100.0% -390 -100.0% 2,808 100.0% 4,640 100.0%
Child functions
unserialize0 N/A% -1,114 -52.5% 100 25.6% 3,832 136.5% 4,344 93.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -840 -39.6% -332 -85.1% 24 0.9% 296 6.4%
explode0 N/A% -31 -1.5% -31 -7.9% 8 0.3% 0 0.0%