Diff Report
Run #51b89dd280f98: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b89ec98250c: 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 #51b89dd280f98Run #51b89ec98250cDiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)27,604 26,045 -1,559 -5.6%
Incl. Wall Time (microsec) per call 378 357 -21 -5.6%
Excl. Wall Time (microsec)1,754 1,719 -35 -2.0%
Incl. CPU (microsecs)20,750 20,041 -709 -3.4%
Incl. CPU (microsecs) per call 284 275 -10 -3.4%
Excl. CPU (microsec)1,634 1,634 0 0.0%
Incl. MemUse (bytes)1,382,912 1,384,000 1,088 0.1%
Incl. MemUse (bytes) per call 18,944 18,959 15 0.1%
Excl. MemUse (bytes)-192,848 -193,072 -224 -0.1%
Incl. PeakMemUse (bytes)1,318,424 1,319,312 888 0.1%
Incl. PeakMemUse (bytes) per call 18,061 18,073 12 0.1%
Excl. PeakMemUse (bytes)3,248 3,104 -144 -4.4%

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 Function-35 -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%