Diff Report
Run #519b182c941bf: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519b18dba5252: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519b182c941bfRun #519b18dba5252DiffDiff%
Number of Function Calls90 90 0 0.0%
Incl. Wall Time (microsec)33,069 33,220 151 0.5%
Incl. Wall Time (microsec) per call 367 369 2 0.5%
Excl. Wall Time (microsec)2,096 2,055 -41 -2.0%
Incl. CPU (microsecs)28,353 28,469 116 0.4%
Incl. CPU (microsecs) per call 315 316 1 0.4%
Excl. CPU (microsec)1,969 1,933 -36 -1.8%
Incl. MemUse (bytes)2,310,368 2,310,368 0 0.0%
Incl. MemUse (bytes) per call 25,671 25,671 0 0.0%
Excl. MemUse (bytes)-285,600 -285,600 0 0.0%
Incl. PeakMemUse (bytes)2,553,000 2,553,000 0 0.0%
Incl. PeakMemUse (bytes) per call 28,367 28,367 0 0.0%
Excl. PeakMemUse (bytes)6,016 6,016 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% 151 39.6% 116 16.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-41 -27.2% -36 -31.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 151 100.0% 116 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 157 104.0% 51 44.0% 0 N/A% 0 N/A%
unserialize0 N/A% 52 34.4% 123 106.0% 0 N/A% 0 N/A%
explode0 N/A% -17 -11.3% -22 -19.0% 0 N/A% 0 N/A%