Diff Report
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e33e8d847: 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 #5394e33e8d847DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)909 981 72 7.9%
Incl. Wall Time (microsec) per call 909 981 72 7.9%
Excl. Wall Time (microsec)55 61 6 10.9%
Incl. CPU (microsecs)876 951 75 8.6%
Incl. CPU (microsecs) per call 876 951 75 8.6%
Excl. CPU (microsec)48 50 2 4.2%
Incl. MemUse (bytes)26,976 26,960 -16 -0.1%
Incl. MemUse (bytes) per call 26,976 26,960 -16 -0.1%
Excl. MemUse (bytes)-12,368 -12,368 0 0.0%
Incl. PeakMemUse (bytes)26,416 26,384 -32 -0.1%
Incl. PeakMemUse (bytes) per call 26,416 26,384 -32 -0.1%
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% 72 16.6% 75 8.3% -16 -6.1% -32 -3.4%
Exclusive Metrics Diff for Current Function6 8.3% 2 2.7% 0 0.0% 0 0.0%
Parent function
drupal_pre_render_styles0 N/A% 72 100.0% 75 100.0% -16 -100.0% -32 -100.0%
Child functions
file_exists0 N/A% 69 95.8% 71 94.7% -16 -100.0% 32 100.0%
Drupal\Core\Asset\CssCollectionGrouper::group0 N/A% -4 -5.6% -3 -4.0% 24 150.0% -24 -75.0%
Drupal\Core\Asset\CssCollectionOptimizer::generateHash0 N/A% 3 4.2% 4 5.3% -24 -150.0% 0 0.0%
Drupal\Core\State\State::get0 N/A% -2 -2.8% 1 1.3% 0 0.0% -40 -125.0%