Diff Report
Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519edeb20e5f1: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519ede3a9dd65Run #519edeb20e5f1DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,036 788 -248 -23.9%
Incl. Wall Time (microsec) per call 148 113 -35 -23.9%
Excl. Wall Time (microsec)144 127 -17 -11.8%
Incl. CPU (microsecs)742 603 -139 -18.7%
Incl. CPU (microsecs) per call 106 86 -20 -18.7%
Excl. CPU (microsec)149 127 -22 -14.8%
Incl. MemUse (bytes)75,832 75,832 0 0.0%
Incl. MemUse (bytes) per call 10,833 10,833 0 0.0%
Excl. MemUse (bytes)-11,728 -11,728 0 0.0%
Incl. PeakMemUse (bytes)71,896 71,896 0 0.0%
Incl. PeakMemUse (bytes) per call 10,271 10,271 0 0.0%
Excl. PeakMemUse (bytes)2,184 2,184 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% -248 -87.9% -139 -7.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-17 -6.9% -22 -15.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -248 -100.0% -139 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -214 -86.3% -103 -74.1% 0 N/A% 0 N/A%
unserialize@10 N/A% -16 -6.5% -14 -10.1% 0 N/A% 0 N/A%
explode0 N/A% -1 -0.4% 0 0.0% 0 N/A% 0 N/A%