Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1c42d00d: 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 #519ac1c42d00dDiffDiff%
Number of Function Calls90 90 0 0.0%
Incl. Wall Time (microsec)39,603 39,165 -438 -1.1%
Incl. Wall Time (microsec) per call 440 435 -5 -1.1%
Excl. Wall Time (microsec)2,291 2,235 -56 -2.4%
Incl. CPU (microsecs)38,343 37,790 -553 -1.4%
Incl. CPU (microsecs) per call 426 420 -6 -1.4%
Excl. CPU (microsec)2,131 2,104 -27 -1.3%
Incl. MemUse (bytes)2,215,888 2,188,752 -27,136 -1.2%
Incl. MemUse (bytes) per call 24,621 24,319 -302 -1.2%
Excl. MemUse (bytes)-251,344 -247,216 4,128 1.6%
Incl. PeakMemUse (bytes)2,869,208 2,852,840 -16,368 -0.6%
Incl. PeakMemUse (bytes) per call 31,880 31,698 -182 -0.6%
Excl. PeakMemUse (bytes)5,384 5,392 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 Function-56 -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%