Diff Report
Run #5230a98f3b26c: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5230aa47d621c: 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 #5230a98f3b26cRun #5230aa47d621cDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)10,807 10,351 -456 -4.2%
Incl. Wall Time (microsec) per call 154 148 -7 -4.2%
Excl. Wall Time (microsec)1,371 1,348 -23 -1.7%
Incl. CPU (microsecs)9,365 9,201 -164 -1.8%
Incl. CPU (microsecs) per call 134 131 -2 -1.8%
Excl. CPU (microsec)1,295 1,256 -39 -3.0%
Incl. MemUse (bytes)1,163,192 1,164,040 848 0.1%
Incl. MemUse (bytes) per call 16,617 16,629 12 0.1%
Excl. MemUse (bytes)-173,840 -174,008 -168 -0.1%
Incl. PeakMemUse (bytes)1,604,952 1,605,576 624 0.0%
Incl. PeakMemUse (bytes) per call 22,928 22,937 9 0.0%
Excl. PeakMemUse (bytes)8,496 8,288 -208 -2.4%

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% -456 -53.8% -164 -18.0% 848 1.3% 624 1.0%
Exclusive Metrics Diff for Current Function-23 -5.0% -39 -23.8% -168 -19.8% -208 -33.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -456 -100.0% -164 -100.0% 848 100.0% 624 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -340 -74.6% -45 -27.4% 8 0.9% 24 3.8%
unserialize0 N/A% -93 -20.4% -78 -47.6% 1,008 118.9% 808 129.5%
explode0 N/A% 0 0.0% -2 -1.2% 0 0.0% 0 0.0%