Diff Report
Run #539fd2109980d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Asset\CssCollectionOptimizer::optimize

Drupal\Core\Asset\CssCollectionOptimizer::optimizeRun #539fd2109980dRun #539fd0a78f1b7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,373 1,029 -344 -25.1%
Incl. Wall Time (microsec) per call 1,373 1,029 -344 -25.1%
Excl. Wall Time (microsec)101 68 -33 -32.7%
Incl. CPU (microsecs)1,322 968 -354 -26.8%
Incl. CPU (microsecs) per call 1,322 968 -354 -26.8%
Excl. CPU (microsec)91 61 -30 -33.0%
Incl. MemUse (bytes)24,688 24,688 0 0.0%
Incl. MemUse (bytes) per call 24,688 24,688 0 0.0%
Excl. MemUse (bytes)-12,368 -12,368 0 0.0%
Incl. PeakMemUse (bytes)19,200 19,200 0 0.0%
Incl. PeakMemUse (bytes) per call 19,200 19,200 0 0.0%
Excl. PeakMemUse (bytes)648 648 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Asset\CssCollectionOptimizer::optimize [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::optimize0 N/A% -344 -5.1% -354 -5.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-33 -9.6% -30 -8.5% 0 N/A% 0 N/A%
Parent function
drupal_pre_render_styles0 N/A% -344 -100.0% -354 -100.0% 0 N/A% 0 N/A%
Child functions
file_exists0 N/A% -279 -81.1% -279 -78.8% 0 N/A% 0 N/A%
Drupal\Core\Asset\CssCollectionOptimizer::generateHash0 N/A% -31 -9.0% -35 -9.9% 0 N/A% 0 N/A%
Drupal\Core\State\State::get0 N/A% -5 -1.5% -14 -4.0% 0 N/A% 0 N/A%
Drupal\Core\Asset\CssCollectionGrouper::group0 N/A% 4 1.2% 4 1.1% 0 N/A% 0 N/A%