Diff Report
Run #5394e33e8d847: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Asset\CssCollectionOptimizer::optimize

Drupal\Core\Asset\CssCollectionOptimizer::optimizeRun #5394e33e8d847Run #5394e21e9bd45DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)981 909 -72 -7.3%
Incl. Wall Time (microsec) per call 981 909 -72 -7.3%
Excl. Wall Time (microsec)61 55 -6 -9.8%
Incl. CPU (microsecs)951 876 -75 -7.9%
Incl. CPU (microsecs) per call 951 876 -75 -7.9%
Excl. CPU (microsec)50 48 -2 -4.0%
Incl. MemUse (bytes)26,960 26,976 16 0.1%
Incl. MemUse (bytes) per call 26,960 26,976 16 0.1%
Excl. MemUse (bytes)-12,368 -12,368 0 0.0%
Incl. PeakMemUse (bytes)26,384 26,416 32 0.1%
Incl. PeakMemUse (bytes) per call 26,384 26,416 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 Function-6 -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%