Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519abf80bb905Run #519ac1a144fa6DiffDiff%
Number of Function Calls90 89 -1 -1.1%
Incl. Wall Time (microsec)39,603 39,516 -87 -0.2%
Incl. Wall Time (microsec) per call 440 444 4 0.9%
Excl. Wall Time (microsec)2,291 2,278 -13 -0.6%
Incl. CPU (microsecs)38,343 38,335 -8 -0.0%
Incl. CPU (microsecs) per call 426 431 5 1.1%
Excl. CPU (microsec)2,131 2,148 17 0.8%
Incl. MemUse (bytes)2,215,888 2,187,592 -28,296 -1.3%
Incl. MemUse (bytes) per call 24,621 24,580 -41 -0.2%
Excl. MemUse (bytes)-251,344 -246,944 4,400 1.8%
Incl. PeakMemUse (bytes)2,869,208 2,836,336 -32,872 -1.1%
Incl. PeakMemUse (bytes) per call 31,880 31,869 -11 -0.0%
Excl. PeakMemUse (bytes)5,384 5,360 -24 -0.4%

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::prepareItem-1 -33.3% -87 -10.9% -8 -0.5% -28,296 -6.6% -32,872 -2.1%
Exclusive Metrics Diff for Current Function-13 -14.9% 17 212.5% 4,400 15.5% -24 -0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple-1 -100.0% -87 -100.0% -8 -100.0% -28,296 -100.0% -32,872 -100.0%
Child functions
unserialize-1 -50.0% -159 -182.8% -55 -687.5% -32,176 -113.7% -32,008 -97.4%
Drupal\Core\Cache\DatabaseBackend::checksumTags-1 -50.0% 86 98.9% 37 462.5% -520 -1.8% -840 -2.6%
explode0 0.0% -1 -1.1% -7 -87.5% 0 0.0% 0 0.0%