Diff Report
Run #51b0309e0d24b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b031de38383: 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 #51b0309e0d24bRun #51b031de38383DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)654 561 -93 -14.2%
Incl. Wall Time (microsec) per call 654 561 -93 -14.2%
Excl. Wall Time (microsec)28 31 3 10.7%
Incl. CPU (microsecs)370 357 -13 -3.5%
Incl. CPU (microsecs) per call 370 357 -13 -3.5%
Excl. CPU (microsec)22 30 8 36.4%
Incl. MemUse (bytes)44,728 44,752 24 0.1%
Incl. MemUse (bytes) per call 44,728 44,752 24 0.1%
Excl. MemUse (bytes)-6,392 -6,392 0 0.0%
Incl. PeakMemUse (bytes)35,888 35,912 24 0.1%
Incl. PeakMemUse (bytes) per call 35,888 35,912 24 0.1%
Excl. PeakMemUse (bytes)616 616 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% -93 -0.3% -13 -0.0% 24 0.0% 24 0.0%
Exclusive Metrics Diff for Current Function3 3.2% 8 61.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -93 -100.0% -13 -100.0% 24 100.0% 24 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -122 -131.2% -44 -338.5% 0 0.0% 0 0.0%
unserialize@10 N/A% 25 26.9% 22 169.2% 24 100.0% 24 100.0%
explode0 N/A% 1 1.1% 1 7.7% 0 0.0% 0 0.0%