Diff Report
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5476d8061: 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 #51ca5414b31d9Run #51ca5476d8061DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)920 988 68 7.4%
Incl. Wall Time (microsec) per call 115 124 9 7.4%
Excl. Wall Time (microsec)153 202 49 32.0%
Incl. CPU (microsecs)775 855 80 10.3%
Incl. CPU (microsecs) per call 97 107 10 10.3%
Excl. CPU (microsec)153 193 40 26.1%
Incl. MemUse (bytes)82,216 82,216 0 0.0%
Incl. MemUse (bytes) per call 10,277 10,277 0 0.0%
Excl. MemUse (bytes)-13,816 -13,816 0 0.0%
Incl. PeakMemUse (bytes)94,240 94,240 0 0.0%
Incl. PeakMemUse (bytes) per call 11,780 11,780 0 0.0%
Excl. PeakMemUse (bytes)2,088 2,088 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% 68 5.6% 80 21.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function49 72.1% 40 50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 68 100.0% 80 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 10 14.7% 30 37.5% 0 N/A% 0 N/A%
unserialize@10 N/A% 7 10.3% 7 8.8% 0 N/A% 0 N/A%
explode0 N/A% 2 2.9% 3 3.8% 0 N/A% 0 N/A%