Diff Report
Run #53195bb0cc668: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #53195bb0cc668Run #53195a48b6f09DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)15,683 16,054 371 2.4%
Incl. Wall Time (microsec) per call 187 191 4 2.4%
Excl. Wall Time (microsec)1,202 1,267 65 5.4%
Incl. CPU (microsecs)15,162 15,566 404 2.7%
Incl. CPU (microsecs) per call 181 185 5 2.7%
Excl. CPU (microsec)1,089 1,167 78 7.2%
Incl. MemUse (bytes)2,527,976 2,525,736 -2,240 -0.1%
Incl. MemUse (bytes) per call 30,095 30,068 -27 -0.1%
Excl. MemUse (bytes)-354,512 -354,056 456 0.1%
Incl. PeakMemUse (bytes)3,047,128 3,040,360 -6,768 -0.2%
Incl. PeakMemUse (bytes) per call 36,275 36,195 -81 -0.2%
Excl. PeakMemUse (bytes)6,248 6,136 -112 -1.8%

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% 371 10.8% 404 11.6% -2,240 -0.6% -6,768 -2.0%
Exclusive Metrics Diff for Current Function65 17.5% 78 19.3% 456 20.4% -112 -1.7%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 371 100.0% 404 100.0% -2,240 -100.0% -6,768 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 369 99.5% 385 95.3% 0 0.0% -336 -5.0%
unserialize0 N/A% -56 -15.1% -50 -12.4% -2,688 -120.0% -6,280 -92.8%
spl_autoload_call0 N/A% -7 -1.9% -7 -1.7% 0 0.0% -40 -0.6%
explode0 N/A% 0 0.0% -2 -0.5% -8 -0.4% 0 0.0%