Diff Report
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e2ae29e1b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Asset\CssCollectionOptimizer::optimize

Drupal\Core\Asset\CssCollectionOptimizer::optimizeRun #5394e21e9bd45Run #5394e2ae29e1bDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)909 1,015 106 11.7%
Incl. Wall Time (microsec) per call 909 1,015 106 11.7%
Excl. Wall Time (microsec)55 62 7 12.7%
Incl. CPU (microsecs)876 964 88 10.0%
Incl. CPU (microsecs) per call 876 964 88 10.0%
Excl. CPU (microsec)48 52 4 8.3%
Incl. MemUse (bytes)26,976 26,976 0 0.0%
Incl. MemUse (bytes) per call 26,976 26,976 0 0.0%
Excl. MemUse (bytes)-12,368 -12,368 0 0.0%
Incl. PeakMemUse (bytes)26,416 26,416 0 0.0%
Incl. PeakMemUse (bytes) per call 26,416 26,416 0 0.0%
Excl. PeakMemUse (bytes)728 728 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% 106 3.1% 88 2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function7 6.6% 4 4.5% 0 N/A% 0 N/A%
Parent function
drupal_pre_render_styles0 N/A% 106 100.0% 88 100.0% 0 N/A% 0 N/A%
Child functions
file_exists0 N/A% 68 64.2% 68 77.3% 0 N/A% 0 N/A%
Drupal\Core\State\State::get0 N/A% 20 18.9% 3 3.4% 0 N/A% 0 N/A%
Drupal\Core\Asset\CssCollectionOptimizer::generateHash0 N/A% 6 5.7% 8 9.1% 0 N/A% 0 N/A%
Drupal\Core\Asset\CssCollectionGrouper::group0 N/A% 5 4.7% 5 5.7% 0 N/A% 0 N/A%