Diff Report
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8bd1b3c1: 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 #519ec8682c2dcRun #519ec8bd1b3c1DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)716 619 -97 -13.5%
Incl. Wall Time (microsec) per call 102 88 -14 -13.5%
Excl. Wall Time (microsec)140 104 -36 -25.7%
Incl. CPU (microsecs)619 552 -67 -10.8%
Incl. CPU (microsecs) per call 88 79 -10 -10.8%
Excl. CPU (microsec)130 94 -36 -27.7%
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% -97 -3.8% -67 -1.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-36 -37.1% -36 -53.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -97 -100.0% -67 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -54 -55.7% -25 -37.3% 0 N/A% 0 N/A%
unserialize@10 N/A% -7 -7.2% -6 -9.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%