Diff Report
Run #51afe9a0d59b4: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afea2244278: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51afe9a0d59b4Run #51afea2244278DiffDiff%
Number of Function Calls96 96 0 0.0%
Incl. Wall Time (microsec)30,162 29,447 -715 -2.4%
Incl. Wall Time (microsec) per call 314 307 -7 -2.4%
Excl. Wall Time (microsec)1,895 1,875 -20 -1.1%
Incl. CPU (microsecs)23,100 22,738 -362 -1.6%
Incl. CPU (microsecs) per call 241 237 -4 -1.6%
Excl. CPU (microsec)1,778 1,721 -57 -3.2%
Incl. MemUse (bytes)1,958,208 1,959,256 1,048 0.1%
Incl. MemUse (bytes) per call 20,398 20,409 11 0.1%
Excl. MemUse (bytes)-267,264 -267,464 -200 -0.1%
Incl. PeakMemUse (bytes)2,258,160 2,251,784 -6,376 -0.3%
Incl. PeakMemUse (bytes) per call 23,523 23,456 -66 -0.3%
Excl. PeakMemUse (bytes)5,672 5,792 120 2.1%

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% -715 -89.6% -362 -181.0% 1,048 2.6% -6,376 -16.1%
Exclusive Metrics Diff for Current Function-20 -2.8% -57 -15.7% -200 -19.1% 120 1.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -715 -100.0% -362 -100.0% 1,048 100.0% -6,376 -100.0%
Child functions
unserialize0 N/A% -407 -56.9% -192 -53.0% 1,248 119.1% -5,088 -79.8%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -277 -38.7% -103 -28.5% 0 0.0% -1,408 -22.1%
explode0 N/A% -11 -1.5% -10 -2.8% 0 0.0% 0 0.0%