Diff Report
Run #519ec8bd1b3c1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519ec8bd1b3c1Run #519ec8682c2dcDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)619 716 97 15.7%
Incl. Wall Time (microsec) per call 88 102 14 15.7%
Excl. Wall Time (microsec)104 140 36 34.6%
Incl. CPU (microsecs)552 619 67 12.1%
Incl. CPU (microsecs) per call 79 88 10 12.1%
Excl. CPU (microsec)94 130 36 38.3%
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 Function36 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%