Diff Report
Run #536ffbe232db1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #536ffc2aeacea: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Asset\CssCollectionOptimizer::optimize

Drupal\Core\Asset\CssCollectionOptimizer::optimizeRun #536ffbe232db1Run #536ffc2aeaceaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,509 1,479 -30 -2.0%
Incl. Wall Time (microsec) per call 1,509 1,479 -30 -2.0%
Excl. Wall Time (microsec)124 97 -27 -21.8%
Incl. CPU (microsecs)1,477 1,448 -29 -2.0%
Incl. CPU (microsecs) per call 1,477 1,448 -29 -2.0%
Excl. CPU (microsec)109 78 -31 -28.4%
Incl. MemUse (bytes)32,752 32,752 0 0.0%
Incl. MemUse (bytes) per call 32,752 32,752 0 0.0%
Excl. MemUse (bytes)-59,000 -59,000 0 0.0%
Incl. PeakMemUse (bytes)58,576 58,576 0 0.0%
Incl. PeakMemUse (bytes) per call 58,576 58,576 0 0.0%
Excl. PeakMemUse (bytes)584 584 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% -30 -1.0% -29 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-27 -90.0% -31 -106.9% 0 N/A% 0 N/A%
Parent function
drupal_pre_render_styles0 N/A% -30 -100.0% -29 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\State\State::get0 N/A% -9 -30.0% -7 -24.1% 0 N/A% 0 N/A%
file_exists0 N/A% 2 6.7% 5 17.2% 0 N/A% 0 N/A%
Drupal\Core\Asset\CssCollectionOptimizer::generateHash0 N/A% 2 6.7% 1 3.4% 0 N/A% 0 N/A%
Drupal\Core\Asset\CssCollectionGrouper::group0 N/A% 2 6.7% 3 10.3% 0 N/A% 0 N/A%