Diff Report
Run #51ca54a312a65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5414b31d9: 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 #51ca54a312a65Run #51ca5414b31d9DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)908 920 12 1.3%
Incl. Wall Time (microsec) per call 114 115 2 1.3%
Excl. Wall Time (microsec)141 153 12 8.5%
Incl. CPU (microsecs)763 775 12 1.6%
Incl. CPU (microsecs) per call 95 97 2 1.6%
Excl. CPU (microsec)140 153 13 9.3%
Incl. MemUse (bytes)82,224 82,216 -8 -0.0%
Incl. MemUse (bytes) per call 10,278 10,277 -1 -0.0%
Excl. MemUse (bytes)-13,792 -13,816 -24 -0.2%
Incl. PeakMemUse (bytes)94,088 94,240 152 0.2%
Incl. PeakMemUse (bytes) per call 11,761 11,780 19 0.2%
Excl. PeakMemUse (bytes)1,944 2,088 144 7.4%

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% 12 1.1% 12 5.5% -8 -0.0% 152 0.2%
Exclusive Metrics Diff for Current Function12 100.0% 13 108.3% -24 -300.0% 144 94.7%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 12 100.0% 12 100.0% -8 -100.0% 152 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -13 -108.3% -14 -116.7% 0 0.0% 56 36.8%
unserialize@10 N/A% 13 108.3% 14 116.7% 16 200.0% -48 -31.6%
explode0 N/A% 0 0.0% -1 -8.3% 0 0.0% 0 0.0%