Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Asset\CssCollectionRenderer::render

Drupal\Core\Asset\CssCollectionRenderer::renderRun #531ccb2cb8e3dRun #531ccbd4518b6DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,382 1,395 13 0.9%
Incl. Wall Time (microsec) per call 1,382 1,395 13 0.9%
Excl. Wall Time (microsec)260 265 5 1.9%
Incl. CPU (microsecs)1,288 1,294 6 0.5%
Incl. CPU (microsecs) per call 1,288 1,294 6 0.5%
Excl. CPU (microsec)163 164 1 0.6%
Incl. MemUse (bytes)43,488 43,488 0 0.0%
Incl. MemUse (bytes) per call 43,488 43,488 0 0.0%
Excl. MemUse (bytes)30,792 30,792 0 0.0%
Incl. PeakMemUse (bytes)37,472 38,040 568 1.5%
Incl. PeakMemUse (bytes) per call 37,472 38,040 568 1.5%
Excl. PeakMemUse (bytes)13,024 13,320 296 2.3%

Parent/Child Regression/Improvement report for Drupal\Core\Asset\CssCollectionRenderer::render [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\CssCollectionRenderer::render0 N/A% 13 13.3% 6 2.3% 0 0.0% 568 1.4%
Exclusive Metrics Diff for Current Function5 38.5% 1 16.7% 0 N/A% 296 52.1%
Parent function
drupal_pre_render_styles0 N/A% 13 100.0% 6 100.0% 0 N/A% 568 100.0%
Child functions
Drupal\Core\KeyValueStore\State::get0 N/A% 12 92.3% 4 66.7% 0 N/A% 176 31.0%
file_create_url0 N/A% -6 -46.2% -1 -16.7% 0 N/A% 96 16.9%
array_keys0 N/A% 2 15.4% 3 50.0% 0 N/A% 0 0.0%
count0 N/A% 0 0.0% -3 -50.0% 0 N/A% 0 0.0%
strpos0 N/A% 0 0.0% 2 33.3% 0 N/A% 0 0.0%