Diff Report
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ede3a9dd65: 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 #519edf3566aaeRun #519ede3a9dd65DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)607 1,036 429 70.7%
Incl. Wall Time (microsec) per call 87 148 61 70.7%
Excl. Wall Time (microsec)105 144 39 37.1%
Incl. CPU (microsecs)539 742 203 37.7%
Incl. CPU (microsecs) per call 77 106 29 37.7%
Excl. CPU (microsec)92 149 57 62.0%
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% 429 1.7% 203 0.7% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function39 9.1% 57 28.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 429 100.0% 203 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 369 86.0% 126 62.1% 0 N/A% 0 N/A%
unserialize@10 N/A% 20 4.7% 19 9.4% 0 N/A% 0 N/A%
explode0 N/A% 1 0.2% 1 0.5% 0 N/A% 0 N/A%