Diff Report
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Asset\CssCollectionOptimizer::generateHash

Drupal\Core\Asset\CssCollectionOptimizer::generateHashRun #5391fd5a43e70Run #5391fc871e91dDiffDiff%
Number of Function Calls5 5 0 0.0%
Incl. Wall Time (microsec)146 150 4 2.7%
Incl. Wall Time (microsec) per call 29 30 1 2.7%
Excl. Wall Time (microsec)64 65 1 1.6%
Incl. CPU (microsecs)153 154 1 0.7%
Incl. CPU (microsecs) per call 31 31 0 0.7%
Excl. CPU (microsec)57 54 -3 -5.3%
Incl. MemUse (bytes)2,256 2,256 0 0.0%
Incl. MemUse (bytes) per call 451 451 0 0.0%
Excl. MemUse (bytes)-1,732 -1,732 0 0.0%
Incl. PeakMemUse (bytes)2,356 2,884 528 22.4%
Incl. PeakMemUse (bytes) per call 471 577 106 22.4%
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% 4 0.2% 1 0.2% 0 0.0% 528 2.1%
Exclusive Metrics Diff for Current Function1 25.0% -3 -300.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Asset\CssCollectionOptimizer::optimize0 N/A% 4 100.0% 1 100.0% 0 N/A% 528 100.0%
Child functions
serialize0 N/A% 3 75.0% 4 400.0% 0 N/A% 716 135.6%
hash0 N/A% 0 0.0% 0 0.0% 0 N/A% -188 -35.6%