Diff Report
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca54a312a65: 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 #51ca54a312a65DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)920 908 -12 -1.3%
Incl. Wall Time (microsec) per call 115 114 -2 -1.3%
Excl. Wall Time (microsec)153 141 -12 -7.8%
Incl. CPU (microsecs)775 763 -12 -1.5%
Incl. CPU (microsecs) per call 97 95 -2 -1.5%
Excl. CPU (microsec)153 140 -13 -8.5%
Incl. MemUse (bytes)82,216 82,224 8 0.0%
Incl. MemUse (bytes) per call 10,277 10,278 1 0.0%
Excl. MemUse (bytes)-13,816 -13,792 24 0.2%
Incl. PeakMemUse (bytes)94,240 94,088 -152 -0.2%
Incl. PeakMemUse (bytes) per call 11,780 11,761 -19 -0.2%
Excl. PeakMemUse (bytes)2,088 1,944 -144 -6.9%

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 Function-12 -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%