Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Asset\CssCollectionOptimizer::generateHash

Drupal\Core\Asset\CssCollectionOptimizer::generateHashRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)169 153 -16 -9.5%
Incl. Wall Time (microsec) per call 34 31 -3 -9.5%
Excl. Wall Time (microsec)65 66 1 1.5%
Incl. CPU (microsecs)172 161 -11 -6.4%
Incl. CPU (microsecs) per call 34 32 -2 -6.4%
Excl. CPU (microsec)59 62 3 5.1%
Incl. MemUse (bytes)2,256 2,256 0 0.0%
Incl. MemUse (bytes) per call 451 451 0 0.0%
Excl. MemUse (bytes)-1,720 -1,720 0 0.0%
Incl. PeakMemUse (bytes)3,352 3,408 56 1.7%
Incl. PeakMemUse (bytes) per call 670 682 11 1.7%
Excl. PeakMemUse (bytes)120 120 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Asset\CssCollectionOptimizer::generateHash [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\Asset\CssCollectionOptimizer::generateHash0 N/A% -16 -0.3% -11 -0.3% 0 0.0% 56 0.1%
Exclusive Metrics Diff for Current Function1 6.2% 3 27.3% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Asset\CssCollectionOptimizer::optimize0 N/A% -16 -100.0% -11 -100.0% 0 N/A% 56 100.0%
Child functions
hash0 N/A% -9 -56.2% -5 -45.5% 0 N/A% 0 0.0%
serialize0 N/A% -8 -50.0% -9 -81.8% 0 N/A% 56 100.0%