Diff Report
Run #519bd405e5fe3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519bd4c5b5ac8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519bd405e5fe3Run #519bd4c5b5ac8DiffDiff%
Number of Function Calls140 140 0 0.0%
Incl. Wall Time (microsec)33,620 33,788 168 0.5%
Incl. Wall Time (microsec) per call 240 241 1 0.5%
Excl. Wall Time (microsec)2,716 2,764 48 1.8%
Incl. CPU (microsecs)29,065 29,184 119 0.4%
Incl. CPU (microsecs) per call 208 208 1 0.4%
Excl. CPU (microsec)2,540 2,599 59 2.3%
Incl. MemUse (bytes)2,380,208 2,380,208 0 0.0%
Incl. MemUse (bytes) per call 17,001 17,001 0 0.0%
Excl. MemUse (bytes)-477,360 -477,360 0 0.0%
Incl. PeakMemUse (bytes)2,752,880 2,752,880 0 0.0%
Incl. PeakMemUse (bytes) per call 19,663 19,663 0 0.0%
Excl. PeakMemUse (bytes)7,296 7,296 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% 168 5.8% 119 7.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function48 28.6% 59 49.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 168 100.0% 119 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 156 92.9% 114 95.8% 0 N/A% 0 N/A%
unserialize0 N/A% -51 -30.4% -77 -64.7% 0 N/A% 0 N/A%
explode0 N/A% 15 8.9% 23 19.3% 0 N/A% 0 N/A%