Diff Report
Run #51b89ec98250c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51b89ec98250cRun #51b89dd280f98DiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)26,045 27,604 1,559 6.0%
Incl. Wall Time (microsec) per call 357 378 21 6.0%
Excl. Wall Time (microsec)1,719 1,754 35 2.0%
Incl. CPU (microsecs)20,041 20,750 709 3.5%
Incl. CPU (microsecs) per call 275 284 10 3.5%
Excl. CPU (microsec)1,634 1,634 0 0.0%
Incl. MemUse (bytes)1,384,000 1,382,912 -1,088 -0.1%
Incl. MemUse (bytes) per call 18,959 18,944 -15 -0.1%
Excl. MemUse (bytes)-193,072 -192,848 224 0.1%
Incl. PeakMemUse (bytes)1,319,312 1,318,424 -888 -0.1%
Incl. PeakMemUse (bytes) per call 18,073 18,061 -12 -0.1%
Excl. PeakMemUse (bytes)3,104 3,248 144 4.6%

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% 1,559 11.3% 709 5.0% -1,088 -1.7% -888 -1.6%
Exclusive Metrics Diff for Current Function35 2.2% 0 0.0% 224 20.6% 144 16.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,559 100.0% 709 100.0% -1,088 -100.0% -888 -100.0%
Child functions
unserialize0 N/A% 1,154 74.0% 533 75.2% -1,264 -116.2% -888 -100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 353 22.6% 158 22.3% -24 -2.2% -120 -13.5%
explode0 N/A% 17 1.1% 18 2.5% -24 -2.2% -24 -2.7%