Diff Report
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519a496084867Run #519a4774889ddDiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)8,282 5,137 -3,145 -38.0%
Incl. Wall Time (microsec) per call 753 467 -286 -38.0%
Excl. Wall Time (microsec)1,501 946 -555 -37.0%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)242,584 242,584 0 0.0%
Incl. MemUse (bytes) per call 22,053 22,053 0 0.0%
Excl. MemUse (bytes)-22,512 -22,512 0 0.0%
Incl. PeakMemUse (bytes)278,032 278,208 176 0.1%
Incl. PeakMemUse (bytes) per call 25,276 25,292 16 0.1%
Excl. PeakMemUse (bytes)840 840 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% -3,145 -0.1% 0 0.0% 0 0.0% 176 1.2%
Exclusive Metrics Diff for Current Function-555 -17.6% 0 N/A% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -3,145 -100.0% 0 N/A% 0 N/A% 176 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -1,568 -49.9% 0 N/A% 0 N/A% 0 0.0%
unserialize@10 N/A% -998 -31.7% 0 N/A% 0 N/A% 176 100.0%
explode0 N/A% -24 -0.8% 0 N/A% 0 N/A% 0 0.0%