Diff Report
Run #51b0309e0d24b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b0311a4e34a: 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 #51b0311a4e34aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)654 608 -46 -7.0%
Incl. Wall Time (microsec) per call 654 608 -46 -7.0%
Excl. Wall Time (microsec)28 24 -4 -14.3%
Incl. CPU (microsecs)370 347 -23 -6.2%
Incl. CPU (microsecs) per call 370 347 -23 -6.2%
Excl. CPU (microsec)22 17 -5 -22.7%
Incl. MemUse (bytes)44,728 44,728 0 0.0%
Incl. MemUse (bytes) per call 44,728 44,728 0 0.0%
Excl. MemUse (bytes)-6,392 -6,392 0 0.0%
Incl. PeakMemUse (bytes)35,888 35,888 0 0.0%
Incl. PeakMemUse (bytes) per call 35,888 35,888 0 0.0%
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% -46 -7.6% -23 -2.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -8.7% -5 -21.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -46 -100.0% -23 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -35 -76.1% -12 -52.2% 0 N/A% 0 N/A%
unserialize@10 N/A% -8 -17.4% -7 -30.4% 0 N/A% 0 N/A%
explode0 N/A% 1 2.2% 1 4.3% 0 N/A% 0 N/A%