Diff Report
Run #519a4887d3a25: 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 #519a4887d3a25Run #519a4774889ddDiffDiff%
Number of Function Calls11 11 0 0.0%
Incl. Wall Time (microsec)26,290 5,137 -21,153 -80.5%
Incl. Wall Time (microsec) per call 2,390 467 -1,923 -80.5%
Excl. Wall Time (microsec)4,649 946 -3,703 -79.7%
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)242,592 242,584 -8 -0.0%
Incl. MemUse (bytes) per call 22,054 22,053 -1 -0.0%
Excl. MemUse (bytes)-22,512 -22,512 0 0.0%
Incl. PeakMemUse (bytes)278,336 278,208 -128 -0.0%
Incl. PeakMemUse (bytes) per call 25,303 25,292 -12 -0.0%
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% -21,153 -0.1% 0 0.0% -8 -0.5% -128 -8.5%
Exclusive Metrics Diff for Current Function-3,703 -17.5% 0 N/A% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -21,153 -100.0% 0 N/A% -8 -100.0% -128 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -10,559 -49.9% 0 N/A% 0 0.0% 0 0.0%
unserialize@10 N/A% -6,737 -31.8% 0 N/A% -8 -100.0% -128 -100.0%
explode0 N/A% -154 -0.7% 0 N/A% 0 0.0% 0 0.0%