Diff Report
Run #51e2215579f70: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e221c38f48f: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51e2215579f70Run #51e221c38f48fDiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)13,333 13,197 -136 -1.0%
Incl. Wall Time (microsec) per call 135 133 -1 -1.0%
Excl. Wall Time (microsec)1,385 1,409 24 1.7%
Incl. CPU (microsecs)11,489 11,615 126 1.1%
Incl. CPU (microsecs) per call 116 117 1 1.1%
Excl. CPU (microsec)1,260 1,284 24 1.9%
Incl. MemUse (bytes)2,701,336 2,701,552 216 0.0%
Incl. MemUse (bytes) per call 27,286 27,288 2 0.0%
Excl. MemUse (bytes)-416,504 -416,592 -88 -0.0%
Incl. PeakMemUse (bytes)2,833,512 2,827,584 -5,928 -0.2%
Incl. PeakMemUse (bytes) per call 28,621 28,561 -60 -0.2%
Excl. PeakMemUse (bytes)7,472 7,328 -144 -1.9%

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% -136 -88.9% 126 12.3% 216 0.9% -5,928 -23.0%
Exclusive Metrics Diff for Current Function24 17.6% 24 19.0% -88 -40.7% -144 -2.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -136 -100.0% 126 100.0% 216 100.0% -5,928 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -222 -163.2% 34 27.0% 0 0.0% -2,688 -45.3%
unserialize0 N/A% 71 52.2% 74 58.7% 304 140.7% -3,016 -50.9%
explode0 N/A% -9 -6.6% -6 -4.8% 0 0.0% -80 -1.3%