Diff Report
Run #51ad01387670b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad01d342500: 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 #51ad01387670bRun #51ad01d342500DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)714 712 -2 -0.3%
Incl. Wall Time (microsec) per call 102 102 -0 -0.3%
Excl. Wall Time (microsec)102 114 12 11.8%
Incl. CPU (microsecs)576 582 6 1.0%
Incl. CPU (microsecs) per call 82 83 1 1.0%
Excl. CPU (microsec)90 102 12 13.3%
Incl. MemUse (bytes)75,720 75,720 0 0.0%
Incl. MemUse (bytes) per call 10,817 10,817 0 0.0%
Excl. MemUse (bytes)-11,888 -11,888 0 0.0%
Incl. PeakMemUse (bytes)63,888 63,960 72 0.1%
Incl. PeakMemUse (bytes) per call 9,127 9,137 10 0.1%
Excl. PeakMemUse (bytes)1,776 1,776 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% -2 -0.0% 6 0.1% 0 0.0% 72 0.0%
Exclusive Metrics Diff for Current Function12 600.0% 12 200.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -2 -100.0% 6 100.0% 0 N/A% 72 100.0%
Child functions
unserialize@10 N/A% -7 -350.0% -5 -83.3% 0 N/A% 0 0.0%
explode0 N/A% -4 -200.0% -4 -66.7% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -3 -150.0% 3 50.0% 0 N/A% 72 100.0%