Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Asset\CssCollectionRenderer::render

Drupal\Core\Asset\CssCollectionRenderer::renderRun #51ec3b81ad265Run #51ec3c1813b11DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,402 1,376 -26 -1.9%
Incl. Wall Time (microsec) per call 1,402 1,376 -26 -1.9%
Excl. Wall Time (microsec)265 264 -1 -0.4%
Incl. CPU (microsecs)1,403 1,387 -16 -1.1%
Incl. CPU (microsecs) per call 1,403 1,387 -16 -1.1%
Excl. CPU (microsec)191 207 16 8.4%
Incl. MemUse (bytes)38,664 38,664 0 0.0%
Incl. MemUse (bytes) per call 38,664 38,664 0 0.0%
Excl. MemUse (bytes)26,824 26,824 0 0.0%
Incl. PeakMemUse (bytes)34,656 34,656 0 0.0%
Incl. PeakMemUse (bytes) per call 34,656 34,656 0 0.0%
Excl. PeakMemUse (bytes)23,600 23,600 0 0.0%

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% -26 -1.1% -16 -2.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -3.8% 16 100.0% 0 N/A% 0 N/A%
Parent function
drupal_pre_render_styles0 N/A% -26 -100.0% -16 -100.0% 0 N/A% 0 N/A%
Child functions
file_create_url0 N/A% -24 -92.3% -19 -118.8% 0 N/A% 0 N/A%
count0 N/A% -1 -3.8% -10 -62.5% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
strpos0 N/A% 0 0.0% -2 -12.5% 0 N/A% 0 N/A%
variable_get0 N/A% 0 0.0% -1 -6.2% 0 N/A% 0 N/A%