Diff Report
Run #519ac1c42d00d: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ac1c42d00dRun #519abf80bb905DiffDiff%
Number of Function Calls90 90 0 0.0%
Incl. Wall Time (microsec)39,165 39,603 438 1.1%
Incl. Wall Time (microsec) per call 435 440 5 1.1%
Excl. Wall Time (microsec)2,235 2,291 56 2.5%
Incl. CPU (microsecs)37,790 38,343 553 1.5%
Incl. CPU (microsecs) per call 420 426 6 1.5%
Excl. CPU (microsec)2,104 2,131 27 1.3%
Incl. MemUse (bytes)2,188,752 2,215,888 27,136 1.2%
Incl. MemUse (bytes) per call 24,319 24,621 302 1.2%
Excl. MemUse (bytes)-247,216 -251,344 -4,128 -1.7%
Incl. PeakMemUse (bytes)2,852,840 2,869,208 16,368 0.6%
Incl. PeakMemUse (bytes) per call 31,698 31,880 182 0.6%
Excl. PeakMemUse (bytes)5,392 5,384 -8 -0.1%

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% 438 3.6% 553 3.8% 27,136 17.5% 16,368 1.2%
Exclusive Metrics Diff for Current Function56 12.8% 27 4.9% -4,128 -15.2% -8 -0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 438 100.0% 553 100.0% 27,136 100.0% 16,368 100.0%
Child functions
unserialize0 N/A% 722 164.8% 703 127.1% 31,264 115.2% 22,680 138.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -341 -77.9% -181 -32.7% 0 0.0% -6,272 -38.3%
explode0 N/A% 1 0.2% 4 0.7% 0 0.0% -32 -0.2%